10. TR0PID0N0TU8. 225 



e. Hgi-. S (V. 138 ; C. Singapore. Dr. Dennys [P.]. 



72). 



f-g. Hgr. S (V. 146, 135; District of Deli, Prof. Moesch [C.]. 



C. ?, 80). Sumatra. 



h-l. $ (V. 145, 146, 144, Nias. Ilr. Simdermann [C.]. 



145 ; C. ?, ?, P, 94). 



m~p. 6 (V. 140, 139 ; Borneo. L. L. DiUwyn, Esq. [P.]. 



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



135 ; C. 73, 70). 



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



Sarawak. 



r-t. cT (V. 132; C. 81) Telaug and Li- Hr. Grabowsky [C.]. 



& yg. (V. 131, 132; C. hong Bahaja, (Tj^pes of var. annularis.) 



79, ?). S.E. Borneo! 



?/.. d (V. 139; C. 69). Java. Dr. Ploem TC.]. 



V. Yg. (V. 146 ; C. ?). Ternate. H.M.S. ' Challenger.' 



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



Tropidonotus maculatus {non Edeling), Peters, Mon. Berl. Ac. 1871, 



p. 575. 

 sundan^nsis {non G'dnth.)^ Peters, Ann. Mus. Genova, iii. 1872, 



p. 36. 



Eye moderate. Rostral broader than deep, scarcely visible from 

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

 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 prae- and three or four postoculars ; temporals 2 + 3 ; 

 nine upper labials, foux'th, 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 A^th black ; labials yellowish, with 

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



Total length 370 millim. ; tail 100. 



Borneo. 



a. Hgr. S (V. 140; C. 76). Borneo. A. R. Wallace, Esq. [C.]. 



II. Nerodta. — MaxiUary teeth not more than 30, the hinder gra- 

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

 directed upwards and outwards ; internasal shields usually 

 much narrowed in front. 



25. Tropidonotus melanogaster. 



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



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



Zool. Pec. 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. - Q 



