82 



SNAKES OF THE PHILIPPINE ISLANDS 



Color in life.— Above black with two cream-white stripes be- 

 ginning behind parietal and continuing to tip of tail ; outer scale 

 row slightly greenish gray instead of black ; head reddish brown 

 with a light interorbital stripe or blotch washed with salmon 

 red ; a few creamy white dots on parietals and prefrontals ; each 

 labial with a large paper-white spot ; above labial spots darker ; 

 chin muddy white ; below uniform greenish yellow. 



Obviously this is a rare species. It closely resembles * Do- 

 liophis bilineatiis Boulenger and Dryocalamtis philippiims 

 Grifiin, both of which are known to inhabit the Palawan group 

 of islands. 



Table 11. — Measurements and scale counts of Sihynophis bivittatus 



(Boulenger) . 



Genus NATRIX Laurenti 



Natrix, part., Laurenti, Syn. Kept. (1768) 73. 



Tropinotus KuHL, Isis (1822) 473. 



Tropidonotus KuHL, Ferussac, BulL Sci. Nat. 2 (1824) 81; BoiE, 



Isis (1826) 205; Boulenger, Cat. Snakes Brit. Mus. 1 (1S93) 192. 

 Tropidonotus, part., Schlegel, Phys. Serp. 2 (1837) 297; Dumeril 



and BiBRON, Erp. Gen. 7 (1854) 549; Gunther, Cat. CoL Snakes 



(1858) 59; Rept. Brit. India (1864) 258; .Jan, Arcli. Zool. Anat. 



Phys. 3 (1865) 203; Boulenger, Fauna Brit. India, Rept. (1890) 



341. 

 Natrix Bonaparte, Mem. Ace. Torin. II 2 (1839) 436; Cope, Proc. 



U. S. Nat. Mus. 11 (1888) 392; 14 (1892) 667; Stejneger, Bull. 



U. S. Nat. Mus. 58 (1907) 263, 264. 

 Rhabdophis Fitzinger, Syst. Rept. (1843) 27. 

 Eutainia, Baird and GlR.\Ri), Serp. N. Am. (1853) 24; CoPE. Proc. 



U. S. Nat. Mus. 14 (1892) 645. 

 Steiropliis Fitzinger, Syst. Rept. (1843) 27. 



Leptophis, part., Dumeril and Bjbron, Erp. Gen. 7 (1854) 52S. 

 Hydrophilophis Schmidt, Abh. Naturw. Ver. Hamburg- II 2 (1852). 

 Nerodia Baird and Girard, Serp. N. Am. (1853) 38. 

 Regina Baird and Girakd, Serp. N. Am. (1853) 45. 



Bouleng-er, loc. cit. 



