18 



COITJBEID^, 



u,^. c? (So. 28; V. 154; Labuan. L. L. DiUwyn, Esq. 



65) & yg. (Sc. 23; [P.]. 



V. 155 ; 0. 66). 

 y. 2 CSc. 23 ; V. 153 ; Palawan. A. Everett, Esq. [0.]. 



C. 60). 

 8-€. c? (Sc. 23; V. 160; Placer, Mindanao. A. Everett, Esq. [C.]. 



0. 69) & 2 (So. 25; 



V. 158 ; 0. ?). 

 C 2 (Sc. 25; V. 161; Negros. Dr. A. B. Meyer [C], 



C. 58). 

 ri. S (Sc. 23 ; V. 157 ; Philippines. H. Cuming, Esq. [0.]. 



C. ?). (Type of a unicohr.) 



6, 1. 2 (Sc. 25, 23 ; V. ] 51, Philippines. Messrs. Veitch [P.]. 



150; 0.55,52). 

 *, c? (Sc. 23; V. 153; Java. G. Lyon, Esq. [P.]. 



C.66). 

 X. cJ (Sc. 23; V. 151; Batavia. 



C. 64). 

 ;*. 2 (Sc. 25 ; V. 150 ; Manado, Celebes. Dr. A. B. Meyer rC.l. 



C. 55). 

 v-l 2 (So. 23 ; V. 145, N. Ceram. 



145; 0.52,50). 

 o-p. S (So. 23 ; V. 151 ; Pelew Ids. G. L. King, Esq. rP.l 



C. 61) & 2 (Sc. 23; 



V. 147, 147 ; 0. 62, 63). 

 (T. Skeleton. Sumatra. 



T. Skull. Manilla. 



V. Skull. Java. 



2. Cerberus australis. (Piatb II. fig. 1.) 



Homalopsis australis, Crray, Zool. Misc. p. 65 (1842). 

 Cerberus australis, Oray, Cat. p. 65 (1849). 



Closely allied to the preceding, but distinguished as follows : 



Nasal cleft usually extending to the second upper labial ; loreal in 

 contact with the second and third labials, not touching the inter- 

 nasal ; three lower labials in contact with the anterior chin-shields. 

 Scales in 25 rows, not so strongly keeled as in G. rhynchops. Slate- 

 colour above, with transverse black spots, whitish and blackish 

 beneath, with a regular aeries of large black blotches alon" each 

 side of the belly. 



Total length 590 millim. ; tail 105. 



North Australia. 



a. $ (V. 148 ; 0. 47). Port Essington. Mr. Gilbert TCI. fTvDe) 



b. S (V. 149 ; 0. 51). Port Essington. Sir J. Eichardson [t?.^ ' 



3. Cerberus microlepis. (Plate II. fig. 2.) 

 Cerberus cinereus, part., Oray, Cat. p. 64 (1849). 



Closely allied to C. rhynchops, but only three (exceptionally four) 

 lower labials in contact with the anterior chin-shields • loreal not 

 touching the internasal ; scales much smaller, in 29 rows, rather 

 feebly keeled ; and ventrals more numerous, 163-165. Dark olive 



