Archive image from page 380 of The anatomy, physiology, morphology and. The anatomy, physiology, morphology and development of the blow-fly (Calliphora erythrocephala.) A study in the comparative anatomy and morphology of insects; with plates and illustrations executed directly from the drawings of the author; CUbiodiversity4765349-9885 Year: 1890 ( THE DEVELOPMENT OF THE NYMPH. 325 In the resting larva and pronymph the neuroblast increases rapidly in size, and, as already stated, its position varies at different stages of the development of the cephalo-thoracic discs. Fig. 46. —a semiclia
Archive image from page 380 of The anatomy, physiology, morphology and. The anatomy, physiology, morphology and development of the blow-fly (Calliphora erythrocephala.) A study in the comparative anatomy and morphology of insects; with plates and illustrations executed directly from the drawings of the author; CUbiodiversity4765349-9885 Year: 1890 ( THE DEVELOPMENT OF THE NYMPH. 325 In the resting larva and pronymph the neuroblast increases rapidly in size, and, as already stated, its position varies at different stages of the development of the cephalo-thoracic discs. Fig. 46. —a semicliagrainiiialic scciion of one of the hemispheres, the optic cup and optic disc from a pronymph on the third day of the pupa stage : a c, anterior commissure ; a g, Ranglion ; 0 d, optic disc ; a, n;4ophagus ; 0 s, optic slalk : r t, retinal ilisc ; /• .v, retinal stalk, connecting the ciip-llUe ilisc with the optic ganglion, which is seen surrounding its inner extremity ; tr, trahecula. During the evolution of the head discs on the second or third day of the pupa state, the hemispheres, which up to this period remain approximately spherical, become pyriform, and a groove
Size: 1299px × 1540px
Photo credit: © Bookive / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1890, archive, blowflies, book, bookauthor, bookdecade, bookpublisher, booksubject, bookyear, drawing, historical, history, illustration, image, london_pub_for_the_author_by_r_h_porter, lowne_benjamin_thompson_1839_, page, picture, print, reference, vintage
