Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 170 EMBRYOLOGY OF INSECTS AND MYRIAFODS cut. I YiG, 7S.—Isotomn. Cross section of head, {cut 1, cut 2) First and second crenated mem- branes, (ect) Ectoderm, (il) Inner layer.

---

Size: 1323px × 1511px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage