EMOIA 223 



differentiate it from other members of the genus. Three speci- 

 mens were taken in the type locahty. It is an arboreal species. 



SIAPHOS QUADRIVITTATUM (Peters) 



Lygosoma (Cophoscincus) qiiadrivittatum Peters, Mon. Berl. Ak. 



(1867) 19; (1872) 583. 

 Lygosoma quadrivittatum BouLENGER, Cat. Liz. Brit. Mus. 3 (1887) 



329; DE RooiJ, Rept.. Indo-Aust. Arch. 1 (1915) 271. 



Description of species. — Snout short, pointed; lower eyelid 

 scaly ; ear hidden under scales ; nostril pierced in a single nasal 

 which is diagonally elongated; no supranasals; frontonasal in 

 contact with rostral and frontal ; prefrontals small and separated ; 

 frontal small, pointed behind, touching two supraoculars ; fronto- 

 parietal single, large; interparietal distinct; parietals in contact 

 behind latter; three pairs of nuchals; fourth and fifth upper 

 labials below eye, fourth entering orbit, fifth separated from it 

 by t^^o scales ; two equal-sized f renals ; eight or nine supercilia- 

 ries; four supraoculars; temporals enlarged; two enlarged pre- 

 anals ; eighteen to twenty smooth scales around body, the dorsals 

 much enlarged; distance between end of snout and foreleg con- 

 tained one and three-fifths times in axilla-to-groin distance ; tail 

 thick, a little shorter than head and body; limbs short, over- 

 lapping slightly when adpressed; digits slender, fourth toe 

 longest, with fifteen to sixteen lamellae below. 



Color. — Yellowish above, with four black longitudinal bands, 

 the median one reaching supraoculars, the laterals reaching eye ; 

 lips, chin, and sides of head and neck spotted with black ; digits 

 with black crossbars; tail dark spotted, the spots sometimes 

 forming short vertical bars on each side. Lower parts yellow- 

 ish white. 



Measurements of the type of Siaj^hos quadrivittatum (Peters). 



mm. 



Total length 80 



Head and body 32.5 

 Foreleg 7.5 



Hind leg 10 



Remarks. — The types of this species were collected by Dr. 

 C. Semper in Mindanao. It has since been reported from Bor- 

 neo, Celebes, and Malacca. (Note remarks under Siaphos infra- 

 lineolatum.) 



Genus EMOIA Gray 



Emoia Gray, Cat. Liz. (1845) 95. 



Emoa GiRARD, U. S. Explor. Exped., Herp. (1858) 262. 

 Lygosoma (sec. Emoa) Boulenger, Cat. Liz. Brit. Mus. 3 (1887) 

 211. 



