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Doctrine of signatures: (above) a plant (arum) with seed-pods resembling the horn of a unicorn, and (below) a unicorn's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524849i
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Doctrine of signatures: (above) a plant (hound's tongue) with leaves resembling the tongue of a dog, and (below) a dog's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524853i
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Doctrine of signatures: (above) a plant with seed-pods resembling the crest of a crested lark, and (below) the head of a crested lark. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524856i
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Doctrine of signatures: (above) a fruit (pomegranate) resembling the human jaw, and (below) a jaw-bone and teeth. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524730i
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Doctrine of signatures: (above) a plant with spots resembling those of a fish, and (below) a fish. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524734i
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Doctrine of signatures: (above) a plant with flowers resembling the human eye, and (below) a pair of eyes. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1923Reference: 524852i
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Doctrine of signatures: (above) a plant (crowfoot) resembling the antlers of a stag, and (below) the head of a stag. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524732i
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Doctrine of signatures: (above) a plant with roots resembling the human hand, and (below) a hand. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 525036i
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Doctrine of signatures: (above) a plant (dracunculus, tarragon) with seed-pods resembling the fangs of a snake, and (below) the head of a snake. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 525029i
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Online
Doctrine of signatures: (above) a plant (antirrhinum)) with seed-pods resembling the head of a calf, and (below) the head of a calf. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 525031i
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Doctrine of signatures: (above) a plant with roots resembling a crayfish, and (below) a crayfish. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 525035i
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Online
Doctrine of signatures: (above) a plant (buglossa, borage) with leaves resembling a bull's ear, and (below) a bull's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524729i
Pictures
Online
Doctrine of signatures: (above) a plant (clover) with leaves resembling the horns of a goat, and (below) a goat's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524854i
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Online
Doctrine of signatures: (above) a plant with leaves resembling a butterfly, and (below) two butterflies. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 525034i
Pictures
Online
Doctrine of signatures: (above) a plant with seed-pods resembling the horns of a bull, and (below) a bull's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524735i
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Online
Doctrine of signatures: (above) a plant with roots resembling a dog's testicles, and (below) a dog's genitals. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 525033i
Pictures
Online
Doctrine of signatures: (above) a plant (fennel) with seed-pods resembling the crest of a bird, and (below) a bird's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524736i
Pictures
Online
Doctrine of signatures: (above) a plant (acanthus) with seed-pods resembling a frog, and (below) the head of a frog. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 525028i
Pictures
Doctrine of signatures: (above) a plant ("sferra cavallo") with leaves resembling the moon, and (below) the moon. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 524733i
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Doctrine of signatures : plant resembling a bee.
Etheridge, C., Miss, active 1904-1907Date: [1906]Reference: 524727i
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Online
Doctrine of signatures: (above) a plant with seed-pods resembling the human womb, and (below) a foetus in the womb. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
Porta, Giambattista della, approximately 1535-1615.Date: 1906Reference: 525032i

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Doctrine of signatures: (above) a plant (arum) with seed-pods resembling the horn of a unicorn, and (below) a unicorn's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant (hound's tongue) with leaves resembling the tongue of a dog, and (below) a dog's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant with seed-pods resembling the crest of a crested lark, and (below) the head of a crested lark. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a fruit (pomegranate) resembling the human jaw, and (below) a jaw-bone and teeth. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant with spots resembling those of a fish, and (below) a fish. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant with flowers resembling the human eye, and (below) a pair of eyes. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant (crowfoot) resembling the antlers of a stag, and (below) the head of a stag. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant with roots resembling the human hand, and (below) a hand. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant (dracunculus, tarragon) with seed-pods resembling the fangs of a snake, and (below) the head of a snake. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant (antirrhinum)) with seed-pods resembling the head of a calf, and (below) the head of a calf. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant with roots resembling a crayfish, and (below) a crayfish. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant (buglossa, borage) with leaves resembling a bull's ear, and (below) a bull's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant (clover) with leaves resembling the horns of a goat, and (below) a goat's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant with leaves resembling a butterfly, and (below) two butterflies. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant with seed-pods resembling the horns of a bull, and (below) a bull's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant with roots resembling a dog's testicles, and (below) a dog's genitals. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant (fennel) with seed-pods resembling the crest of a bird, and (below) a bird's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant (acanthus) with seed-pods resembling a frog, and (below) the head of a frog. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures: (above) a plant ("sferra cavallo") with leaves resembling the moon, and (below) the moon. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

Doctrine of signatures : plant resembling a bee.

Doctrine of signatures: (above) a plant with seed-pods resembling the human womb, and (below) a foetus in the womb. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.