A treatise on zoology . arterialblood, shaded vessels mixed, and black vesselsvenous blood. I-IV, four gill-arches; ,eoeliac artery ; , dorsal aorta ; BA, bulbus ;c, carodid; , caudal vein; D, gut; Cuvieri; L, liver; N, kidney; = IV,radix aorta; V, ventricle; , cardinal vein;, hepatic vein; , right jugular , left jugular vein ; , portal vein ; 3\afferent vessel of third uill-arch. (From ) Family Symbranchidae. Thepost-temporal is still present andattached to the skull. SymltrniicJiushas well-developed gills ; but Monoptcrus has only vestigia
A treatise on zoology . arterialblood, shaded vessels mixed, and black vesselsvenous blood. I-IV, four gill-arches; ,eoeliac artery ; , dorsal aorta ; BA, bulbus ;c, carodid; , caudal vein; D, gut; Cuvieri; L, liver; N, kidney; = IV,radix aorta; V, ventricle; , cardinal vein;, hepatic vein; , right jugular , left jugular vein ; , portal vein ; 3\afferent vessel of third uill-arch. (From ) Family Symbranchidae. Thepost-temporal is still present andattached to the skull. SymltrniicJiushas well-developed gills ; but Monoptcrus has only vestigial gill-lamellaeon three arches. Symbranchus, 131. (Fig. 405) ; America, E. Indies. Monopferxs, Lac. ;E. Indies and Archipelago. Family Amphipnoidae. The slender pectoral girdle is free, the post-temporal having been lost. Gill-lamellae are found on the second arch 4IO TELEOSTEI only, and are supplemented by two extensible lung-like air-sacs, backwardprolongations of the branchial ^nous, Miill. ; E. Fig. hengcilcnsl>^, MCl., ami upper teetli. (After Day, Fishes of India.) Series 4. Sub-Order 4. GASTEROSTEIFORMES (Catosteomi, Hemibranchii,Lophobranchii). This sub-order is an assemblage of fish for the most part highlyspecialised, Avhich were first brought together by A. S. Fhite-mouths (Fistulariidae) and Sticklelmcks (Gasterosteidae),which Cope had already united in the group Hemibranchii, and the pmx ,
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology
