Licence: Public Domain Mark
Credit: A first book in organic evolution / by D. Kerfoot Shute. Source: Wellcome Collection.
Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.
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![Dro-ma-the'ri-um [Gr. dromos, running; therion, small wild beast.] Dys-chro-ma-top'si-a [Gr. dys, bad; chroma, color; opsis, sight.] Partial color-blindness* difficulty in distinguishing colors. E-chi-no-der'ma-ta [Gr. echinos, hedgehog; derma, skin.] E-chi'no-derms [Vid Echinodermata.] Ech-i-noi'de-a [Gr. echinos, hedgehog; eidos, form ] Echino- derms including sea urchins. Ec'to-derm [Gr. ektos, outside; derma, skin. Ec'to-plasm [Gr. ektos, outside; plasso, form.] E-den-ta'ta [Lat. e, out of; dens, tooth.] An order of pla- centals with a small, one-lobed cerebrum; without me- dian, cutting teeth: including armadillos, ant-eaters, and sloths. El-as-mo-bran'chi-i [Gr. elasmos, metal plate; branchia, gills.] Fish-like vertebrates which have no membrane bones in the skull or the shoulder-girdle; five pairs of strap-like gills attached by their distal ends; claspers to the ventral fins of males; complicated brain with optic nerves forming a de- cussation. Em'bry-o [Gr. en, in; bruein, swell.] The term applied to an animal in the earlier stages of development. Em-bry-ol'o-gy [Gr. embryon, embryo; logos, <lego, speak.] The study of embryos. En'do-derm [Gr. endon, within; derma, skin.] En'do-plasm [Gr. endon, within; plasso, form.] En-ter-op-neus'ta [Gr. enteron, intestine; pneustos, breath- ing.] Acorn-tongue worms. Smooth-bodied, footless worms, having a large exserted soft proboscis; breathing by a series of respiratory sacs opening into the digestive canal, and communicating externally by spiracles; nervous sys- tem situated above a seeming notochord. Balanoglossus. Included by some biologists among the chordata. E-o-hip'pus [Gr. eos, dawn; hippos, horse.] E'o-cene [Gr. eos, dawn; kainos, recent.] Ep-en-ceph'a-lon [Gr. epi, upon; enkephalos, brain.] A fundamental subdivision of the brain (encephalon). Ep'i-blast [Gr. epi, upon; blastos, bud.] fe'quus [Lat. horse.] E-ryth-ro-lam'prus [Gr. erythros, red; lampros, shining.]](https://iiif.wellcomecollection.org/image/b21900905_0308.jp2/full/800%2C/0/default.jpg)