HEMIPHYLLODACTYLUS 65 



was carried on between the Philippines and Mexico. The Mex- 

 ican specimen was named Hemidactylus navarri, by Duges,* but 

 undoubtedly it is synonymous with the present species. 



Genus PEROCHIRUS Boulenger 

 Perochirus Boulenger, Cat. Liz. Brit. Mus. 1 (1885) 154. 



"Digits strongly dilated, slightly webbed, inferiorly with trans- 

 verse lamellae, the anterior of which are divided by a median 

 groove, with free, slender, compressed, clawed phalanges raising 

 from within the extremity of the dilated portion; inner finger 

 rudimentary, clawless; inner toe with distinct attached clawed 

 phalange. Body covered above with uniform granular scales, 

 inferiorly with imbricated or juxtaposed scales. Pupil vertical. 

 Males with or without preanal or femoral pores." (Boulenger.) 



The genus is known from the Philippines, the Caroline Is- 

 lands, and the New Hebrides. Perochirus ateles (A. Dumeril) 

 is the only Philippine species. 



PEROCHIRUS ATELES (Dumeril) 



Hemidactylus ateles A. Dumeril, Arch^ Mus. 8 (1856) 462, pi. 18, 



%. 9. 

 Perochirus ateles Boulenger, Cat. Liz. Brit. Mus. 1 (1885) 154. 



Description of species. — ''Head conical, not distinct from neck; 

 eyes moderate. Twelve upper labials on each side of the rostral, 

 which is higher than broad and extends on the upper part of 

 the snout, the extremity of which is rather acute. Nostrils 

 large. Mental narrow, triangular. Enlarged scutes on the chin, 

 some of which are irregularly arranged in 

 rows along the infralabials. Tail depressed, 

 the borders finely denticulated, covered 

 with granulations same above and beneath 

 and arranged in regular rings. No femoral 

 pores (?). Brownish grey, darker on the 

 tail, the borders of which, above and beneath, 

 are of a rather vivid brown. Total length ,„ , . 



/ T> 7 X Fig. 7. 'Perochirus ateles 



150 millim., tail 70. (Boulenger.) (Dumerii) ; after 



Remarks. — I have examined no specimen of i^^^^^ni; foot. 

 this species. The only known locality is Zamboanga, Mindanao. 



Genus HEMIPHYLLODACTYLUS Bleeker 



Hemiphyllodactylus Bleeker, Nat. Tijds. Nederl. Ind. 20 (1860) 327; 

 Boulenger, Ann. & Mag*. Nat. Hist. V 20 (1887) 152; Stejneger, 



*La Naturaleza 6 (1883) 311, pi. 7. 



161466 5 



