THE PHILIPPINE 



Journal of Science 



D. Ethnology, Anthropology, and 

 General Biology 



Vol. V - OCTOBER, 1910 ISTo. 4 



JA LIST OF SNAKES FROM THE ISLAND OF POLILLO, P. L 

 WITH DESCRIPTIONS OF A NEW GENUS AND 

 TWO NEW SPECIES.' 



By Laweence E. Griffin. 

 {Associate Professor of Zoology in the Philippine Medical School.) 



Python reticulatus (Schneider), Nos. 811, 824, 825, 826. 

 Pour specimens, from 0.9 to 3.5 meters in lengtli. 



Natrix spilogaster Boie, No. 808. 



Cyclocorus lineatus (Reinhardt), Nos. 809, 810. 



HAPL0N0D0N= gen. nov. 



Maxillary teeth in two series, separated by a short interspace; the pos- 

 terior teeth of each series largest, 14 or 15 in all. Anterior end of 

 maxilla bent slightly inward. 



Anterior mandibular teeth enlarging to the fourth, followed by smaller 

 teeth of equal size. Head distinct from neck. Eye moderate, pupil ver- 

 tically elliptic. Body slender, slightly compressed; tail long. Scales 

 smooth, in 17 longitudinal rows, without apical pits; subcaudals in two 

 rows. 



^ Contribution from the Biological Laboratory, Bureau of Science, Manila, P. I. 

 - OTrXoos, single; cuSos, toothless. 



98666 211 



