. A manual of elementary zoology . Zoology. Fig. 226.âDetails of the anatomy oi the swan mussel. A, Diagram of a transverse section through the foot, showing the principal blood vessels and, hy means .it' arrows, the course of the circulation : each gill is cut at an interlamellar junction. âAfter Howes. B, the mouth and neighbouring structures from in front; C, a portion of the shell, in section; D, a plan of the nervous system from above, with the visceral commissures more widely parted than they arc in the animal. , Position of anterior adductor ; , afferent branchial vessel ; a
. A manual of elementary zoology . Zoology. Fig. 226.âDetails of the anatomy oi the swan mussel. A, Diagram of a transverse section through the foot, showing the principal blood vessels and, hy means .it' arrows, the course of the circulation : each gill is cut at an interlamellar junction. âAfter Howes. B, the mouth and neighbouring structures from in front; C, a portion of the shell, in section; D, a plan of the nervous system from above, with the visceral commissures more widely parted than they arc in the animal. , Position of anterior adductor ; , afferent branchial vessel ; an., auricle B, glandular part of kidney ; ., outer labial palp; />.-., pedal ganglion; petll., periOS tracum ; /â¢/.//., pallia! nerve;/'/-'/., prismatic layer; r-., ventricle; :â .,., veils cava; visceral commissure; ?'.£-., visceral (parietoaplanchnic) ganglion. 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 Borradaile, L. A. (Lancelot Alexander), 1872-1945. London : H. Frowde, Hodder & Stoughton
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1920
