. A contribution to insect embryology. Insects. No. t.] CONTRIBUTIOX TO INSECT EMBRYOLOGY. 23 Soon after the union of the edges of the outer and inner indusial layers a chitinious cuticle is secreted by the outer surface of the latter. This cuticle is thicker and seems to be of a deeper hue than the cuticle secreted by the serosa. It ,iA* .ltv2L. 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 Wheeler, William Morton,
. A contribution to insect embryology. Insects. No. t.] CONTRIBUTIOX TO INSECT EMBRYOLOGY. 23 Soon after the union of the edges of the outer and inner indusial layers a chitinious cuticle is secreted by the outer surface of the latter. This cuticle is thicker and seems to be of a deeper hue than the cuticle secreted by the serosa. It ,iA* .ltv2L. 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 Wheeler, William Morton, 1865-1937. Boston : Ginn & Company
Size: 810px × 3087px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublishe, booksubjectinsects
