Archive image from page 459 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; CUbiodiversity4765349-9875 Year: 1890 ( 738 THE GENERATIVE ORGANS. integument. A notch is seen in front at the base of each, which is suggestive of an articulation with an appendage, but no such appendage exists (Fig. 104). Between the valvse externa; are a second pair of rod-Hke organs
Archive image from page 459 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; CUbiodiversity4765349-9875 Year: 1890 ( 738 THE GENERATIVE ORGANS. integument. A notch is seen in front at the base of each, which is suggestive of an articulation with an appendage, but no such appendage exists (Fig. 104). Between the valvse externa; are a second pair of rod-Hke organs, which belong to the anal segment; these I term valvae internse. The four valvae are directed forward when at rest, and close the genital sinus, filling up the emargination in the fifth sternum. I-'IG. 104.—A dorsal view of the progenital lergum of the male Ulow-fly, showing the external and internal valves, e, external valve ; i, internal valves ; m m, muscles ; K, notch; r, rectum. The Dorsal Arches of the Sixth and Seventh Abdominal Annuli are very similar to each other; the former has two spiracles on each side near its posterior angle, and the latter only one. Description of Plate LI. Side view of the penis of the l!low-fly. a, apodemes of the penis ; li, bulb ; e, epi- pleural ridge \, posterior gonapophysis ; gs, genital sternum ; /;/, hypophallus ; m m, muscles ; o, orifice of the ejaculatory duct ; />/, paraphallus ; s, spine.
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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
