. Text book of zoology. Zoology. Pig. 286. Diagrams of the arterial arches of various Vertehrata. A emhryonic condition, B Fish, C Urodele, D Eeptile (Lizard), M Bird, F Mammal. The atrophied vessels are represented by dotted hnes. Ic and li the two first embryonic arches which almost entirely atrophy. 1—4 the four posterior arches. 1' and 3' the first and third afferent branchial arteries, 1" and 3" efferent branchial arteries. 2 in D and F second left arches, 2' in D, .B and F second right arches, a, b, r, vessels into which the ventral aorta is divided in Eeptiles, Birds, and Mamm

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. Text book of zoology. Zoology. Pig. 286. Diagrams of the arterial arches of various Vertehrata. A emhryonic condition, B Fish, C Urodele, D Eeptile (Lizard), M Bird, F Mammal. The atrophied vessels are represented by dotted hnes. Ic and li the two first embryonic arches which almost entirely atrophy. 1—4 the four posterior arches. 1' and 3' the first and third afferent branchial arteries, 1" and 3" efferent branchial arteries. 2 in D and F second left arches, 2' in D, .B and F second right arches, a, b, r, vessels into which the ventral aorta is divided in Eeptiles, Birds, and Mammals, ao aorta, ca carotid, j) pulmonary artery, s (in F) artery of left limb, s (in B) and si ventral aorta.— 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 Boas, J. E. V. (Johan Erik Vesti), 1855-1935; Boas, J. E. V. (Johan Erik Vesti), 1855-1935. Lehrbuch der Zoologie. London, Sampson Low, Marston

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1896