A note book for the elements of the comparative anatomy of invertebrates.

Date:
1911
Catalogue details

Licence: In copyright

Credit: A note book for the elements of the comparative anatomy of invertebrates. Source: Wellcome Collection.

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    3. Transverse section of a Planarian, through pharyngeal region (low power:—the details to be drawn with a high power). Pharynx; pharynx-sheath; epidermis; enteric cseca; longitudinal nerve- cords; testes; yolk-glands.