23. HEMIBACXTLTTS. 



121 



point of the mental. Abdominal scales moderate, cycloid, imbricate. 

 Male with a series of thirty to thirty-six femoral pores, not inter- 

 rupted on the prseanal region. Tail rounded, feebly depressed, 

 covered above with very small smooth scales and six longitudinal 

 series of keeled tubercles, interiorly with a median series of trans- 

 versely dilated plates. Greyish or pinkish brown above, uniform or 

 more or less distinctly marbled with darker ; head generally varie- 

 gated with brown ; a more or less defined brown, above light-edged 

 streak on the side of the head, passing through the eye, extending 

 sometimes along the side of the body ; lower surfaces whitish. 



Total length 113 millim. 



Head 16 



Width of head 11-5 



Body 39 



Fore limb 18 



Hind limb 21 



Tail 58 



China, Indo-China, Malay penirsula, Southern India, islands of 

 the Western Pacific and Indian Oceans, St. Helena. 



a. $. 

 h-c. $. 

 ^/. 2 & hgr. 

 g-h. S- 

 I $. 

 k. S 



l-o. S2- 

 P' 6- 



q-^,8. S, $,&bgr- 

 t. Dried. 

 u-v. S 2 ' 

 w-y. S & hgr. 

 z-a. S- 

 13. 2- 



I. <?. 

 *c. 6. 



X. d. 

 M-"- $. 



$-0. 6. 



■TT. S . 



p. Several spec. : c? > 



$,&hgr. 

 or. Several spec, d ? . 

 r. ?. 

 V. c?. 

 0. ?. 

 X- Several spec. : 



d, 2, ygv & eggs. 



w-cc. S 2 • 

 dd, ee. ^ . 



Corea. 



Hainan. 



Taiwanfoo, S. Formosa. 



Nilgherries. 



Salem. 



Calcad Hills. 



Anamallays. 



S. India. 



Ceylon. 



Ceylon. 



Ceylon. 



Birma. 



Gamboja. 



Siam. 



Pinang. 



Andamans. 



Nias. 



Java. 



Batavia. 



Borneo. 



Luzon. 



Puerto Princesa. 



Zebu, Philippines. 



Sir E. Belcher [P.]. 

 R. Swinhoe, Esq. [C.]. 



F. Day, Esq. [P.] 

 Col. Beddome [C. 

 Col. Beddome [C. 

 Col. Beddome [C. 

 Col. Beddome [Cl 



Dr. Kelaart. 



H. Barnes, Esq. [P.]. 



F. Day, Esq. [P.]- 



M. Mouhot [0.1. 



M. Mouhot [C.]. ■ 



Dr. Cantor. 



Col. Tytler [P.]. 



Hr. H, Sandemann [C.J. 



Sir E. Belcher [P.]. 



(Types of H. vittatus.^ 

 Dr. A. B. Meyer [CI. 

 A. Everett, Esq. [C. J. 

 H.M.S. ' Challen^er.'^ 



Manado, Celebes. 



Murray Island. 



Port Essington. 



Ke Daulau, Ki Islands 



Eagle Island, Amirantes. H.M.S. 



Dr. A. B. Meyer [C.]. 

 Rev. S. McFarlane [C.]. 

 (Type of H. vittatus.} 

 H.M.S. ' Challenger.' 

 Alert.' 



Mauritius. 

 St. Helena. 



J. C. Melliss, Esq. [P.]. 



