. 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. I20 THE INTEGUMENTAL SKELETON OF THE IMAGO. point the 'vertex.' A vertical line, joining the vertex and the axis of the extended proboscis, may be called the ' major axis' of the head, and the axis of the body prolonged maybe termed its 'minor axis.' The forehead lies between the great eyes. It is broad and /. Fig. 23.—/ to J', The Head of the
. 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. I20 THE INTEGUMENTAL SKELETON OF THE IMAGO. point the 'vertex.' A vertical line, joining the vertex and the axis of the extended proboscis, may be called the ' major axis' of the head, and the axis of the body prolonged maybe termed its 'minor axis.' The forehead lies between the great eyes. It is broad and /. Fig. 23.—/ to J', The Head of the Imago of the Blow-fly; 6, the Head of Stomoxus calcitrans. /, anterior view of the head of the adult female ; s, anterior view of the head of the adult male ; y, lateral view of the head of a semi-mature male ; 4 posterior, and ^, anterior view of the head capsule ; 6, anterior surface of the head capsule of stomoxus : /', pars basilaris; c, clypeus ; d, mesofacial ; c, epistome ; f, mesofrontal ; g, gena ; g f, compound eye ; /, lateral plate or posterior part of paracephalon; rii, mesocranial plates; f>, parafrontal ; v, vertex and epifrontal plate. trapezoidal in the female, and narrow and triangular in the male. In the male the whole head is smaller, and the eyes are more obliquely placed. Seen from in front, the head capsule of the mature imago exhibits the following parts: the frons, the face, and the epistome in the middle line; with the anterior margins of the paracephala and the great, or compound, eyes on either 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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License: Licensed
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Keywords: ., bookcentury1800, bookcollectionbiod, bookdecade1890, bookyear1890
