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. A manual of zoology. Zoology. 530 CHORDATA TejiD-E; American, teeth acroJont; Ciuiiiich^plionis,'^ Tcjiis.'^ , pleuroJoiit; HcloJiniui.'' 'Gila monsters,' only poisonous lizards. (Laccria) and \'ak.\; (]'arjiiui, monitors) Old ^^"orld, Laccrta vivipara bringing forth li\ing young. Section 1\'. Bkevilixgi'U. Tongue short, slightly notched at the tip, slighdy protrusible. Scin"CID_e, with tendency to reduction of the limbs. Kiimcccsr' OligosoDui.''- Aiii;iiis and TyphUnc, legs absent. Zoxui^id e. Old World except Ophisjiinis vciilrdlis/" glass s
. A manual of zoology. Zoology. 530 CHORDATA TejiD-E; American, teeth acroJont; Ciuiiiich^plionis,'^ Tcjiis.'^ , pleuroJoiit; HcloJiniui.'' 'Gila monsters,' only poisonous lizards. (Laccria) and \'ak.\; (]'arjiiui, monitors) Old ^^"orld, Laccrta vivipara bringing forth li\ing young. Section 1\'. Bkevilixgi'U. Tongue short, slightly notched at the tip, slighdy protrusible. Scin"CID_e, with tendency to reduction of the limbs. Kiimcccsr' OligosoDui.''- Aiii;iiis and TyphUnc, legs absent. Zoxui^id e. Old World except Ophisjiinis vciilrdlis/" glass snake, limbless, with brittle tail. Section \'. .\xxi"rAr.\. Snakedike; legs and epi- pterygoid, tvmpanum, and mo\"able e\'clids lacking and usually girdles; tropical or subtropical. Clnrok-.';, Ainpliishuihi. Section \'I. \'er5iilixge-ia; Old World chameleons, long lleshv tongue, ring-like evelids functioning as an iris, the climbing feet \\iih toes uniteil into two opposalile groups; epiptcrygoids, clavicle, sternum, and tympanic membrane lacking. Celebrated for color changes produced by alterations of chromatophores. Sub Order II. PYTHOXO^IORrilA. Large, extinct, extremely elongate reptiles with four flipper-like limbs and strong s\\imming tail. Flourished in the cretaceous. Mosasaiinis, CliJaslts. Sub Order III. OPHIDIA. Snakes are distinguisheci from most lizards by the absence of limbs, and connected with this the similar vertehne in which only trunk and caudals can be distinguished. The caudals lack ribs, but these are present and long in the trunk region, serving for locomotion and supporting the body on their distal ends. Since there are legless lizards, it is further necessary to say that in the Ophidia the girdles and sternum are lost, only the Peropoda having remnants of the hinder ajipendages and pelvis, but these are not con- nected with the vertebral column. The ventral side of lizards is covered with scales, of reptiles with transverse scutes. Further d
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912