SYNOPSIS 



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THE FAMILIES, GENERA, AND SPECIES 



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INDIAN CHELONIA, SAURTA, AND OPHIDIA. 



Order CHELONIA. 

 Family TESTUDINID^E. 

 Toes clubbed for walking on land ; in some species only, partly 

 webbed. Sternum and thorax united into a bony case. Caudal 

 plate usually single. 



Testudo. 

 Caudal plate single. Claws 5 "4. 

 No nuchal plate. Shell rounded ... T. elegans. 



No nuchal plate. Shell in adults flat ... T. platynotus. 

 A long nuchal plate . . . T. elongata. 



Nuchal plate triangular ... T. Leithii. 



HOMOPUS. 

 Caudal plate single. Claws 44. 

 Nuchal plate narrow ... H. Horsfieldii. 



Manouria. 

 Caudal plates double. Pectoral plates separated in males. 

 Zygomatic arch strong. 

 Colour wholly black . . . M. emys. 



Geomyda. 

 Caudal plates double. No zygomatic arch. 

 Plates handsomely black and yellow rayed.. G. grandis. 

 Each costal armed with a small spine . . . G. spinosa. 

 Back flat. Black and yellow mottled . . . G. Arakana. 



