802 



PROCEEDINGS OF THE^ NATIONAL MUSEUM. 



to Hemiphyllodactylu!^ crepuscularis,^ hitherto only found in New Cal- 

 edonia, and H. ceylonensis,^ of which we only have records from Cey- 

 lon and Java, resembling both in structure, proportions, and coloration. 

 Not having specimens of either of these species, I have to rely upon 

 Boulenger's descriptions and figures. The differences from H. ere- 

 puscularis seem to consist in the slightly shorter snout, the distance of 

 the tip of snout from the eye being shorter than the distance of the 

 ear-opening from the eye; in a slightly greater number of lamella? 

 under the digits; in a less strong denticulation along the borders of 

 the digits, none being visible outside the lamellae; in the greater angu- 

 lar obliquity of the latter; in the absence of any marked denticulation 

 along the side of the tail. It differs, furthermore, by the males having 

 a short series of femoral pores on the distal half of the thigh, in addi- 

 tion to the angular preanal series, the femoral pores i^robably lacking 

 in ff. crejniscularis, as they are not mentioned by Boulenger. Our pres- 

 ent species seems to agree with H. ceylonensis in the lesser asjierity of 

 the digital border; but the toes do not appear to be slenderer or less 

 dilated at the base. If the figure given by Boulenger (fig. 6a) is cor- 

 rect, the inner toe is also more rudimentary in H. leucostictus than in 

 H. creinificularis. 



Slight as these distinctions are, they seem to indicate real differences 

 between the forms inhabiting the Hawaiian Islands and New Caledonia, 

 and are apparently more marked than those which distinguish the latter 

 from the Ceylonese and Javanese form. 



The typical species of the genus, the H. typus^^ seems to differ chiefly in 

 having the toes slenderer at the base, less uniform in length, possibly 

 more abrupt dilatation anteriorly, and the distal free, raised joint 

 longer. In slenderness of body, shortness of limb, cylindric and slen- 

 der tail, absence of chin-shields, and subcaudal i^lates, it agrees with 

 the other members of the genus. 



List of specimens of Hemiphyllodactylus leucostictus. 



Num- 

 ber. 



Collection. 



23485 U. S. N. M . . 



23499 do 



23500 do 



23509 do 



23459 do 



23460 do 



21220 do 



Age. 



Locality. 



Adult .. Kauai, Waiawa.. 



do do 



do do 



do... Oaliu, Honolulu 



. . . do . . . Hawaii 



do do 



do... No record 



When 

 collected. 



May — , 1895 



do 



do 



Nov. 17,1896 



From -whom received. 



V. Knudsen 



do 



do 



L. Stejneger 



H. W. Heiishaw 



do 



No record 



Remarks. 



Type. 



' Platydtictyhis crepitscularis Bavay, M6m. Soc. Linn. Normand., XV, No. 5, 1869, p. 8 

 (type locality, New Caledonia). Lepidodactylns crepuscidaris Boulenger, Proc. Zool. 

 Soc, London, 1883, p. 122, pi. xxii, fig. 6; Cat. Liz. Brit. Mus., I (1885), p. 163; III 

 (1887), p. 486. 



- Lepidodactyhm ceylonensis Boulenger, Cat. Liz. Brit. Mus., I (1885), p. 164, pi. xiii, 

 fig. 3; III (1887), p. 487 (type locality, Ceylon). 



^ HemlphyUodactylns typus Bleeker, Natuurk. Tijds. Nederl. Ind., XX, 1860, p. — 

 (type locality, Agam, West Sumatra). 



