. 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;. Blowflies. 622 THE SENSES AND SENSORY ORGANS. of the subcostal nervure, and the surface view is represented in Fig. 82, A. Graber states that he has not obtained any satisfactory sections of the wing nervures showing these organs, nor have I been more successful except in the advanced pupa of the Blow-fly. I have represented a section of the integument an
. 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;. Blowflies. 622 THE SENSES AND SENSORY ORGANS. of the subcostal nervure, and the surface view is represented in Fig. 82, A. Graber states that he has not obtained any satisfactory sections of the wing nervures showing these organs, nor have I been more successful except in the advanced pupa of the Blow-fly. I have represented a section of the integument and underlying structures from the remigium of a pupa, and this shows the partially developed wing organs, and leads me to the view that each nerve terminal is connected with a vesicle enclosing a suspended spherical particle, which Graber mis- took for a pore in the integument. If this is the case, we have in the wing organs the less specialised condition which attains its fuller development in the Fig. 82.—The wing organs on the remigium of the Blow-fly. A, surface view ; B, section through the line li'\n A ; e, epidermis; s, ganglion cells ; h, hypodermal cells ; «, nerve. Such organs are commonly found on both the anterior and posterior wings of insects, but are usually more highly developed on the posterior pair. Thus it will be seen that in the Diptera the halteres not only replace the posterior wings of other insects, but exhibit organs which are usually found on the posterior wings, and which have probably a function similar to that of the organs at the bases of the 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 Lowne, Benjamin Thompson, 1839-. London, Pub. for the author by R. H. Porter
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Keywords: ., bookcentury1800, bookcollectionbiod, bookdecade1890, bookyear1890
