38 



retractile claw. Body covered above with granular scales, beneath 

 with cycloid imbricate scales. Pupil vertical. Males with femoral 

 or praeanal pores. 



Distribution. The East-Indies; Australia; islands of the Indian 

 and Pacific Oceans; Mexico. 



Key to the Indo-Australian species. 



A. Digital lamellae divided by a median groove (fig. 26). 



I. A fold of the skin bordering the hind limb 

 posteriorly. 



a. A distinct fold on each side between axilla 

 and groin. 



1 . Tail flat ; 7 — 8 lamellae under the median 



toes, the terminal lamella undivided i. G. beebei p. 39. 



2. Tail flat; 12 — 13 lamellae under the median 



toes, 4 or 5 proximal ones undivided. . . . 2. G. lainpei p. 39. 



3. Tail round; 15 lamellae under the median 



toes 3- <7. inters titialis p. 40. 



b. No fold along the side of the body. 



1 . Inner pair of chin-shields very large ; rostral 



quadrangular 4. C. niutilata p. 41. 



2. Chin-shields shorter; rostral horseshoe-shaped. 5. G. baliola p. 42. 



II. Hind limb without cutaneous fold. Digits free 



or with a rudiment of web 6. C. variegaia p. 43. 



B. Digital lamellae undivided (fig. 27). 



a. Digits webbed at the base; tail round; 25 — 46 



femoral pores T- G. occanica p. 44, 



b. Digits half-webbed; tail with lateral edge ; 34 — 35 



femoral pores 8. 6^. viargiiiala p. 44. 



c. Digits webbed at the base ; a fold bordering the 

 fore limb anteriorly; tail round; 50 — ^70 femoral 



pores <^. G. vorax p. 45. 



Fig. 26. Gehyra mutilata (Wiegm.). Fig. 27. Gchyra oceanica (Less.). 

 Fore limb X 3- ^°^^ 1™'' X 9- 



