866 MR. 8.8. FLOWER ON THE REPTILES AND [ Dec. 1, 
11. Hemimactrytvus PLatyurvs, Schn. 
Nycteridium platyurus, Stol. J. A.S8 B. 1873, p. 113. 
Nycteridium schneideri, Giinther, Rep. Brit. Ind. p. 111. 
Hemidactylus platyurus, Boul. Cat. Liz. i. p. 143. 
Cantor observed this species in houses in the valley of Penang ; 
Stoliczka found it in the collection he got from Penang and Province 
Wellesley. 
Hab. India, Ceylon, South China, Indo-China, Malay Peninsula 
and Archipelago. 
12. Mimerozoon FLOWERI, Bler. 
Mimetozoon floweri, Boul. P. Z. 8. 1896, p. 767, pl. xxxvi. 
The specimen described by Mr. Boulenger I caught at dusk, 
runving on the ground, in the garden of the “Crag” Hotel, 
Penang Hill, at an elevation of 2200’, in March 1896. 
Hab. Malay Peninsula. 
13. GEHYRA MUTILATA, Wiegm. 
Hemidactylus peronii, Cantor, p. 22. 
Peripia peronii, Stoliczka, J. A. 8. B. 1870, p. 163. 
Gehyra mutilata, Boul. Cat. Liz. i. p. 148. 
Cantor observed this species in houses in the valley of Penang ; 
and Stoliczka says it is the most common House-Gecko all over 
the island of Penang, along the sea-coast as well as on the top 
of the hill, elevation 2500’. I found this Gecko swarming in 
houses wherever I stayed in Penang and Singapore (also in Deli, 
Sumatra), and, as Stoliczka says, from the sea-level to the top of 
the hill: it is to be found both inside and outside buildings, and 
I have also found it in gardens. It is very voracious, and will 
attempt to seize any insect; I have more than once seen a Gehyra 
attack a full-sized Hierodula vitrea and repulsed. It shows great 
ingenuity both in escaping capture and in obtaining its food. 
It frequents lamps especially at night, to catch the insects attracted 
by the light. Whenever these Geckos are about you hear their 
cheerful noise, and also at intervals during the day when they are 
out of sight in holes or under the roof. Cantor (p. 20), in describing 
Gecko monarchus, says its cry resembles the monosyllable ‘tok,’ 
repeated 6 or 8 times with increased celerity ; I have not heard 
the cry of G. monarchus, but the above description well suits that 
of Gehyra mutilata. 
These Geckos throw off their tails on the slightest provocation. 
There was one living in the Officers’ Mess at Penang, in which the 
reproduced tail had grown bifid laterally. 
The young are very different in appearance to the adults, on 
account of the slenderer body and tail and the coloration. 
Stoliezka (J. A. S. B. 1870, p. 163) says “the young lizard is 
brown, with numerous rather large round pale spots all over the 
body ;” but I have found them pale olive-brown with distinct dark 
brown spots above, and immaculate buff beneath. They seem to 
vary greatly. The spots disappear as they grow larger. The adults 
