GECKONID.i:. 



55 



no teeth ou the palate. Xo dermal ossifications on the haed or 

 body. Vertebra? amphicoelous (biconcave). Clavicle dilated and 

 perforated proxiraally ; iuterclavicle rhomboidal or cruciform. 



Tongue moderately elongate, very feebly incised anteriorly, 

 smooth or villose. Eye usually large, frequently with vertical 

 pupil, without counivent eyelids (except in the Malay genus ^Elu- 

 roscalahotes). Ear distinct (except in Teratolepis), Scales soft, 

 granular or tubercular on the upper surfaces, usually roundish or 



Fig. 19. — Pectoral arch of Gecko vcrticillatus. Fig. 20. — Tongue of same. 



cl. Clavicle. 

 cor. Coracoid. 



i.cl. Iuterclavicle. 

 St. Sternum. 



e.cor. Epieoracoid. 

 sc. Scapula. 



hexagonal and imbricate on the lower surfaces; in Teratolepis, and 

 in a few non-Indian genera, the back is covered \\\t\\ large 

 imbricate scales. Xo symmetrical shields on the crown. Limbs 

 well developed; digits often dilated. Femoral or pncanal poi'es 

 frequently present, but only in the males. Tail fragile (except in 

 Agamura). 



With the exception of members of the geuera Gonatodes, Pristu- 

 rus, and Phelsuma, all Indian Greckos are more or less nocturnal. 

 They are mostly oviparous, the eggs being round and hard-shelled ; 

 the only species at present known to be ovoviviparous are the Xew 

 Zealand Jt^aultinus clci/ntis and IJopIotI act tjlus i:>acijicns . 



The GecJconidct', of which about 280 species are known, occiu" all 

 over the hotter parts of the world. They are most numerous in 

 the Indian and Australian regions. 



Synopsis of Indian, Cei/lonese, and Burmese Genera. 



A. Digits not or but very slightly dilated, all 

 clawed. 

 a. Digits straight, not angularly bent at 

 any of the articulations. 



a'. Digits fringed laterally Stenodactylus, p. 56, 



b'. Digits not fringed laterally Alsophylax, p. 58, 



