6 colubridjE. 



c. Yg. (V. 129 ; 0. 36). Hong Kong. J. 0. Bowring, Esq.. 



rf-e. (J (V. 132 ; 0. 42) Hoi How, Hainan. J. Neumann, Esq.. 



& ? (V. 126; C. 81). I^^Jv-, ^ ,-•,, 



/. d (V. 131 ; 0. 40). China. Intern. Fisher.Exhib, 



1883. 



o. 2 (V. 126; 0. 33). Pachebone, Siam. M. Mouhot [0.]. 



h-i. S (V. 127 ; 0. 43) Pinang. Dr. Cantor. 



& 2 (V. 121; C.S6). , . , TT.-, 



fe 2 (V. 125; C. 35). Pinang. Gen. Hardwicke [P.].. 



(Type of H. hardwickii.) 



;. c? (V. 120; C. 37). Borneo. 



m-o. Hgr. 6 (V. 122; Labuan. L. L. Dillwyn, Esq. 



C. 45), ? (V. 122; [P.]. 



C. 87), & yg. (V. 122; 



C. 43). 



p. e (V. 121 ; C. 39). Java. A. Scott, Esq. [P.]. 



4. Hypsii'hina jagorii. 



HypsirWna (Eurostus) jagorii, Peters, Mm. Berl. Ac. 1863, p. 245. 

 jagorii, Gunth. Rept. Brit. Ind. p. 282 (1864). 



Eostral nearly twice as broad as deep ; interilasal single, more- 

 than twice as broad as long ; frontal broader than the supraocular, 

 once and two thirds as long as broad, as long as its distance from 

 the end of the snout, slightly shorter than the parietals ; loreal as 

 long as deep, in contact with the internasal ; one prse- and two- 

 postoculars; temporals 1+2; eight upper labials, fourth entering 

 the eye ; four lower labials in contact with the anterior chin- 

 shields ; posterior chin-shields smaller and separated by scales. 

 Scales in 21 rows. Ventrals 120-128 ; anal divided ; subcaudals 

 g4_66. Dark olive above, with small black spots ; lower half of 

 upper labials, sides of body, and ventrals yellowish white, with 

 a grey band running along each side of the belly on the outer ends- 

 of the ventrals and the two outer rows of scales ; subcaudals 

 blackish, spotted with yellowish white. 



Total length 510 millim. 



Siam. 



a. 2 (V. 128; C.?). Siam. M. Mouhot [0.]. 



S. 2 (V. 120; C.?). Siam. Sir R. Schomburgk [P.]. 



c. Hgr. (V. 122 ; C. 64). Siam. W. H. Newman, JEsq. 



5. Hypsirhma enhydris. 



Russell, Ind. Serp. i. pi. xxx. (1796). 



Hydrus enhydria, Schneid. Hist. Amph. i. p. 245 (1799). 



atrocseruleus, Shaw, Zool. iii. p. 567 (1802). 



Enhydris cserulea, Latr. Rept. iv. p. 202 (1802). 



Coluber pythonissa, Baud. Rept. vii. p. 107 (1803). 



Homalopsia aer, Boie, Isis, 1826, p. 214, and 1827, p. 560 ; Schlea.. 



Phys. Serp. ii. p. 347, pi. xiii. figs. 10 & 11 (1837). 

 Coluber aer, Eyd. ^ Gerv. in Guer. Mag. Zool. 01. iii. 1837, pi. xvi. 



figs. 2 & 3. 



