SHIELD KEPTILES. 83 



/;. Auhnal, in spirits ; about 4 in. Skull extracted, " i." 

 Trionyx frenatus, " a," Gray, Cat. p. 67. 

 Gymnopus javanicus, Bibron, MS. in Zool. Soc. 

 N. America. 52, 9, 13, 46. 



Var. or deformity. The dorsal bones very convex. Dorsal ribs 



nearly half free. 



f. Animal and shell, 6^ in. $ . 

 1\. America. Smith. 54, 7, 1, 1. 



fr. Dorsal disk, 12 in. Like former ; much larger, and ribs more 

 ossified. 

 N. America. 69, 3, 6, 1. 



Genus 9. CALLINIA. 



1. Callinia spinifera, Gray, Cat. Svqrpl. p. 109. 



a. Animal stuffed. Dorsal disk, 10^ in. Shell, 9 in. 

 Trionyx Argus, Gray, Cat. p. 68. 



Callinia spinifera, Gray, Cat. Suppl. p. 109. 

 N. America, " Sierra Leone." 43, 9, 6, 12. 



Presented by the Earl of Derby. 



b. Animal, in spirits ; bleached. Dorsal disk, about 9^ in. 

 " Aspidonectes epinifer.'' 



Trionyx ferox, " c," Gray, Cat. p. 68. 

 N. America. 



d. Animal, in spirits. Dorsal disk, about 6 in., with many small 



spots. 

 Trionyx ferox, " d," Gray, Cat. p. 68. 

 N. America. Parzudaki. 59, 9, 20, 26. 



e. Animal, in spirits ; uniformly coloured. Skull extracted. 

 N. America, Wabock. 61, 5, 21, 24. 



b. Skull, If in., of "e." 

 C. spinifera, P. Z. S. 1873. 

 N. America. Wabock. 61, 5, 21, 74. 



/. Animal, in spirits ; young. 

 N. America. 59, 8, 17, 2. 



2. Callinia miceooephala, Gray, Cat. Sujypl. p. 108. 



a. Shell stuffed. Dorsal disk, 7 in. Shell, 4J in. Kibs produced. 

 Sarawak. Wallace. 56, 9, 19, 22. 



b. Skull, 1\ in. From specimen " a." 

 C. microcephala, Gray, P. Z. S. 1873, f. 



Sarawak. 56, 9, 19, 22. 



