GECKO. 101 



A. Eyelids rudimentary, circular. 

 * All the phalanges but the last with transverse plates below. 



One series of undivided plates below each toe ; trunk without cuta- 

 neous appendage Gecko, \>.\0\. 



One series of undivided plates helow each toe ; trunk with a wing-like 



expansion on each side Ptychozoon, p. 105. 



Two series of plates below the toes ; claws 5/5 ; trunk without cuta- 

 neous appendage Hemidactylus, p. 106. 



Two series of plates below the toes ; thumb and inner toe without claw 



or ungual phalanx Peripia, p. 110. 



Two series of plates below the toes ; trunk with a cutaneous expansion 



on each side Nycteridium, p. 1 11 . 



** Toes with the base slender and with the extremity dilated, below provided loith undivided plates ; 

 claws none. 



Fingers and toes rather elongate Phelsuma, p. 112. 



*** Basal portion of the toes depressed and plated below, the two outer phalanges being compressed and 

 slender ; no dorsal crest. 



Claws 5/5, fi'ce Gymnodactylus, p. 112. 



Claws 5/5, hidden in a sheath Pentadactylus, t^. 117. 



**** Toes not dilated ; a rudimentary dorsal crest. 



No femoral pores Puellula, -p.WS. 



B. Eyelids well developed, connivent. 

 Toes cylindrical Eublepharis, p. 119. 



GECKO, Gray. 



Fingers and toes dilated in their whole length, with a series of undivided, 

 imbricate, transverse plates below; only the short terminal joint is more or 

 less compressed ; four claws to each foot. Sides of the trunk without cuta- 

 neous appendage. 



The species of this genus are confined to the Old World ; the following are found in 

 British India: — 



* Back granular, with larger tubercles. 



Tubercles in about twelve longitudinal series ; front chin-shields not 



longer than the first lower labial ; body light-spotted .... G. gutlatus, p. 10:2. 

 Tubercles in ten longitudinal series ; front chin-shields longer than the 



first lower labial ; body dark-spotted G. stentor, p. 102. 



Tubercles very small ; body with white cross bands G. smithii, p. 103. 



Tubercles numerous; front chin-shields much longer than the first 



lower labial; pairs of brown spots along the vertebral line . . . G. monarchus, p. in.'3. 



