ILLUSTRATIONS 



Plate 1 

 Typhlops loiigicauda Taylor; a, head, lateral view; b, head, dorsal view; c, 

 chin. Type, X 3. 



Plate 2 



Xenopeltis unicolor Reinwardt; from a photograph of a Palawan specimen. 



Plate 3 

 Pig. 1. Chersydrus granulatus (Schneider) ; after Cuvier; young. 



2. Laticauda sejnifasciata (Reinwardt) ; a, head, dorsal view; b, head, 

 anterior view. 



Plate 4 



Fig. 1. Natrix spilogaster (Boie) ; from a photograph of a preserved 



specimen (young) ; natural size. 

 Figs. 2 to 4. Natrix auriculata (Giinther) ; after Boulenger. 

 Pig. 5. Natrix chrysarga (Schlegel) ; from a photograph of a young 



specimen from Busuanga. 

 Pigs. 6 and 7. Natrix Uneata (Peters) ; head; X 2. 



Plate 5 



Natrix Uneata (Peters) ; from a photograph of a preserved specimen from 

 Mindanao. 



Plate 6 



Pigs. 1 to 3. Hurria microlepis (Boulenger) ; after Boulenger. 



4 to 6. Dryophiops philippina Boulenger; after Boulenger. 



Plate 7 



Fig. 1. Hologerrhum philippinum Giinther; after Giinther, a, lateral view 

 of head. 

 2. Oligodon notospilus Giinther; after Giinther. 



Plate 8 



Ophites subcinctus (Boie) ; from a photograph of a preserved specimen 

 from Palawan. 



Plate 9 



Haplonodon philippinensis Griffin; from the type; X 1- 



Plate 10 



Pig. 1. Sibynophis bivittatus (Boulenger) ; from a photograph of a Bu- 

 suanga specimen. 

 2. Dryocalamus philipphms Griffin; from a photograph of the type. 



