. The Cambridge natural history. Zoology. PODOPLEA AMPHARTHRANDRIA 6S vessel. As the Nauplius migrates, apparently by amoeboid movements of the whole body, it loses all its appendages, the eye degenerates, and the body is reduced to a minute ovoid mass of ^ct Mess. en. -Ant 2 ^ ^h Mei â Abd .-Th. B C Fig. 32.âLater stages iii the development of Haemoccra danae. Abd, AbdonieD ; , Ant.^, 1st aud 2iid antennae ; ch, chitinous investment; e, eye ; J^ct, ecto- derm ; £n, endoderm ; 3fes, mesoderm ; Ales th en, mesoderm and endoderni ; R, rostrum ; St, mouth and stomach


. The Cambridge natural history. Zoology. PODOPLEA AMPHARTHRANDRIA 6S vessel. As the Nauplius migrates, apparently by amoeboid movements of the whole body, it loses all its appendages, the eye degenerates, and the body is reduced to a minute ovoid mass of ^ct Mess. en. -Ant 2 ^ ^h Mei â Abd .-Th. B C Fig. 32.âLater stages iii the development of Haemoccra danae. Abd, AbdonieD ; , Ant.^, 1st aud 2iid antennae ; ch, chitinous investment; e, eye ; J^ct, ecto- derm ; £n, endoderm ; 3fes, mesoderm ; Ales th en, mesoderm and endoderni ; R, rostrum ; St, mouth and stomach ; Th, thoracic appendages. (After Malaquin.) cells, representing ectoderm and endo-mesoderm, surrounded by a chitinous membrane (Fig. 32, A). Arrived in the ventral blood- vessel it begins to grow, and the first organ formed is a pair of fleshy outgrowths representing the second antennae (Fig. 32, B), which act as a nutrient organ intermediary between host and VOL. IV F. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harmer, S. F. (Sidney Frederic), Sir, 1862- ed; Shipley, A. E. (Arthur Everett), Sir, 1861-1927. ed. [London, Macmillan and Co. , Limited; New York, The Macmillan Company


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895