NO. 1174. HAWAIIAN LAND REPTILES— STEJNEGEB. 789 



The type of Girard's Peropus nef/lectiis was lost long ago, but there 

 can be no doubt tliat it belongs here. 



As to the identity of the Hawaiian specimens with the present widely 

 distributed species I have only to say that they fit the descriptions 

 exactly, and that I have compared them with specimens believed to 

 have been collected in Samoa, without being able to discover any tangi- 

 ble differences. The Hawaiian specimens geem to be of somewhat 

 stouter build ; their eyes are possibly a tritie larger, and there is a 

 slightly greater uniformity of the upper and lower caudal scales, but 

 the differences, if indeed tbey are real, are too slight to be expressed 

 in a diagnosis. Possibly the anterior chin-shields may average a little 

 smaller, but the individual variation in this respect is too great to offer 

 any basis for a separation. The specimens from the Hawaiian Islands 

 have the subdigital pads colored blackish, but it is doubtful if this 

 character is of any value. 



L. lugiibris has a wide distribution ranging from the Malay peninsula 

 and archipelago in the west through New Guinea, Solomon Islands, 

 Eew Hebrides, New Caledonia, Fiji, Rotuma, Samoa, Tonga, Tahiti, 

 Gilbert, and Marshall Islands ' to the Hawaiian Islands. 



From the latter it has first been noted by Peters and Doria, who 

 recorded specimens in the Genoa Museum, collected by D'Albertis in 

 Honolulu. The specimens in the U. S. National Museum sliow that the 

 mourning gecko besides occurring in Oahu is also found in Kauai and 

 Hawaii. Kecords from the other islands are lacking. 



This species ought not to be easily confounded with any of the other 

 Hawaiian geckos, except Hemipliyllodactylns lenco.stictus. Both are 

 lacking large and well-defined chin-shields and transverse plates under 

 the tail, but apart from the radical differences in the structure of the 

 digits explained elsewhere, the coloration of the fresh specimens seems 

 to be sufficient to distingu>ish them. In L. lugubris the ground color is 

 a more or less light drab with scattered dusky markings, while in i. leu- 

 costictus it is of a more brownish cast with white markings behind the 

 eyes, on the up[>er surface of the toes, and at the base of the tail above. 



Description. — No. 23456, U.S.N.M. Male adult; Hawaii, Hawaiian 

 Islands; collector, H. W. Henshaw. Rostral rectangular, broader 

 than high in contact with two supranasals and three small scales 

 between the latter; first supralabial in contact with the lower post- 

 nasal and reaching nostril; nostril between upper posterior corner of 

 rostral, first supralabial, and three scales behind and above, the upper 

 one, or supranasal, being small and not in contact with the correspond- 

 ing one of the other side; fourteen supralabials, the last four being 

 small, the tenth located under center of eye; scales on top of head 

 finely granular, somewhat larger on snout; eye equidistant from nostril 



'lu the St. Petersburg Museum, accordinjL>' to Strauch, M<^m. Ac. St. Petersb. (7), 

 XXXV, No. 2, 1887, p. 27, there are specimens from Tarowa aud Yaluit by Dr. E. 

 Riebeck, 1885. 



