123. d.vsypeltis. 353 



Anoplophalltis. 



Mogalopf? (non Lnccp.), Halloio. Proc. Ac. Philad. 1860, p. 488. 

 Aiioplopliallus, CujK', Am. Nat. 1893, p. 480. 



"Mandibular teeth increasing in length posteriori}', recurved, 

 nearly straight ; two internasals, much smaller than the prasfrontals ; 

 frontal a little longer than broad, pentangular ; a frenal [loreal] ; 

 two antoculars ; two postoculars ; eye resting on the fourth supra- 

 labial ; pupil ovoid ; eyes very prominent ; body slender, much 

 compressed ; abdomen angular ; tail rather short," (HaUowell). " A 

 long loreal and no preocular plate." {Coj)e.) 



A. MACULATUS, 



Mejalojjs maculatits, Hallow. I. c. 



" 21 rows of smooth scales ; body presenting numerous sub- 

 quadrangular and oblique blotches above, of a brown colour ; inter- 

 mediate spaces white with a tinge of yellow ; under surface white. 

 Abdominal scuta 170 ; a bifid praeanal ; 61 subcaudal scutellte." 



Total length 375 millim. ; tail t)5. 



Tahiti. 



Subfam. 3. IIHACHIODONTINJE. 



Leptognathiena, part., Dumiril, Mem. Ac. Sc. xxiii. p. 404, 1853 ; 



JJunieril 4" Bibnm, Erp. Gen. vii. p. 25, 18-")4. 

 Rachiodoutidse, Gihither, Cat. Col. Sn. p. 141, 1858. 

 Kachiodontidse, Jan, Eknco sist. Ofid. p. 106, 1863. 

 Dasypeltiuse, part., Cupe, Proc. Am. Philos. ti'uc. xxiii. 1886, p. 494. 



Only a few teeth, on the posterior part of the maxillary and 

 dentary bones and on the palatines. Some of the anterior thoracic 

 vertebne with the hypapophysis much developed, directed forwards, 

 and capped with enamel. 



A single genus. 



123. DASYPELTIS. 



Anodon {non Lam.), Smith, Zool. Journ. iv. 1829, p. 443. 

 Dasypehis, Waaler, Syst. Ainph. p. 178 (1830) ; Gimth. Cat. Col. Sn. 



p.' 141 (1858). 

 Racliiodon, Jourdan, Le Temps, 13. 6. 1833 (?) ; Dum. $f Bi'br. Erp, 



Gen. vii. p. 487 (18 j4) ; Jan, Elenco sist. Ofid. p. 106 (1863). 

 Tropidonotus, part., Schley. Phys. Serp. ii. p. 297 (1837). 

 Deirodon, Owen, Odontoyr. p. 220 (1845). 



Teeth very small, few, 3 to 7 in each maxillary, and as many in 

 the mandible ; palatine but no pterygoid teeth. Head small, not 

 or scarcely distinct from neck ; no mental groove ; eye moderate, 

 with vertically elliptic pupil ; nostril in a semidivided nasal, which 

 is iu contact with the pncocular ; no loreal. Body cyUudrical or 

 slightly compressed, elongate ; scales strongly keeled, with apical 



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