Malayan Peninsula and Islands. 



! 51 



52 X. Trigonocephalies grami- 

 neus, (Shaw.) 



Var. 



53 



54 



55 



XL Trigonocephalies suma- 

 tranus, (Raffles.) Var. 



Pinang, Singapore, 

 Malayan Penin- 

 sula. 



Pinang, Singapore 

 Malayan Peninsula 



Pinang, Singapore 

 Malayan Peninsula 



New Holland, Timor, Pulo 

 Samao, Celebes, Eastern 

 Java, Banka, Sumatra, 

 Tenasserim, Bengal, Chir- 

 ra Punji, Nipal, Coroman- 

 del, Ceylon. 



Sumatra, Tenasserim. 



Sp. Sumatra. 



XII. Trigonocephaly puni- Pinang, Singapore 



ceus, Reinwardt. 



XIII. Laticauda scutata, 

 Laureuti. 



56 XIV. Hydrus striatus, (La 

 cepede.) 



57 XV. Hydrus nigrocinclus, 

 (Daudin.) 



Var. ? 



58 

 59 

 60 



61 



XVI. Hydrus 

 Shaw. 



gracilis. 



XVII. Hydrus schistosus, 

 (Daudin.) 



XVIII. Hydrus pelamidoi- 

 des, (Schlegel.) 



Malayan Peninsula 



Sea of the Malayan 

 Peninsula and Is- 

 lands. 



lava. 



Bay of Bengal, Sea of Ti- 

 mor, Celebes, Molucca,' 

 and Liewkiew Islands, 

 New Guinea, Tongataboo, 

 China Sea. 



Sea of Pining, Ma- 

 layan Peninsula. 



Sea of Pinang, Sin- 

 gapore, Malayan 

 Peninsula. 



Sea off Pinang. 



Sea of Malayan Pen- 

 insula and Islands 



Sea of Malayan Pen- 

 insula and Islands. 



Sea of Liewkiew Islands, 

 Timor, Sumatra, Bay of 

 Bengal. 



Bay of Bengal, estuaries of 

 the Ganges. 



Bay of Bengal, Malabar, 

 Sumatra, Borneo. 



Sea of Malayan Pen- 

 insula and Islands 



XIX. Hydrus bico/or, Sea of Malayan Pe 

 (Schneider.) insula. 



Bay of Beng il, Malabar, Su- 

 matra. 



Bay of Bengal, Sea of Cele- 

 bes, Molucca Islands, Chi- 

 na Sea. 



Bay of Bengal, Sea of Suma- 

 tra, Java, Celebes, Mo- 

 luccas, China Sea (to 27 9 

 N. L.) Otaheite, Bay of 

 Port Jackson (33° 55' S. 

 L. 151° 25' E. L.) 



BATRACHIA. 



