10. TEOPiDONOTirs. 225 



e. Hgr. c? (V. 138; C. Singapore. Dr. Denny s [P.]. 



72). 



f-g. Hgr. i (V. 146, 136 ; District of Deli, Prof. Moesch [0.]. 



0. ?, 80). Sumatra. 



h-l. 5 (V. 145, 146, 144, Nias. Hr. Sundermann [0.1. 



146; 0. ?, ?, ?,94). 



wi-jo. cJ (V. 140, 139 ; Borneo. L. L. DiUwyn, Esq. [P.]. 



C. ?, ?) & 2 (V. 139, 



135 ; 0. 73, 70). 



J. ? (V. 137; 0. ?). Rejang River, Brooke Low, Esq. [P.]. 



Sarawak. 



r-t. S (V. 132 ; 0. 81) Telang and Li- Hr. Grabowsky [0.]. 



& yg. (V. 131, 132 ; 0. hong BahMa, (Types of var. areMMtom.) 



79, ?). S.E. Borneo. 



M. (5 (V. 139; 0.69). Java. Dr. Ploem [0.1. 



V. Yg. (V. 146 ; 0. ?). Ternate. H.M.S. ' Ohallenger.' 



24. Tropidonotus petersii. (Plate XIV. fig. 1.) 



Tropidonotus maoulatua (non Edeling), Peters, Mon. Berl. Ac. 1871, 



p. 675. 

 sundanensia (non Qiinth.), Peters, Ann. Mus. Genova, iii. 1872, 



p. 36. 



Eye moderate. Eostral broader than deep, scarcely visible from 

 above ; internasals as broad as long, as long as the praefrontals ; 

 frontal once and one third as long as broad, as long as its distance 

 from the end of the snout, shorter than the parietals ; loreal deeper 

 than long ; one prse- and three or four postoculars ; temporals 2-)-3 ; 

 nine upper labials, fourth, fifth, and sixth entering the eye ; five 

 lower labials in contact with the anterior chin-shields, which are 

 shorter than the posterior. Scales in 19 rows, all strongly keeled. 

 Ventrals 140-150 ; anal divided ; subcaudals 65-78. Brown above, 

 with small black spots ; a lateral series of black spots ; upper surface 

 of head dark olive, vermiculated with black ; labials yellowish, with 

 black sutures ; yellowish inferiorly, the shields edged with black. 



Total length 370 millim. ; tail 100. 



Borneo. 



a. Hgr. c? (V. 140; 0. 76). Borneo. A. E. Wallace, Esq. [0.]. 



II. Nerodia. — Maxillary teeth not more than 30, the hinder gra- 

 dually enlarged. Eyes rather small and, like the nostrils, 

 directed upwards and oatwards ; internasal shields usually 

 much narrowed in froolfc 



25. Tropidonotus melanogaster. 



Tropidonotus grahamii, part., Giinth. Cat. p. 78 (1858). 



melanogaster, Peters, Mon. Berl. Ac. 1864, p. 389 ; Giinth. 



Zool. Bee. 1865, p. 154. 

 mesomelanus, Jan, Arch. Zool. Anat. Phys. iii. 1865, p. 230, 



and Icon. G&n. 27, pis. v. fig. 3 & vi. fig. 2 (1868). 



VOL. I. 



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