SHIELD REPTILES. 19 



m. Animal, dry. Shell black, witli large yellow spots and rays. 

 Sternum concave in the middle. $ . 

 N. America. 55, 12, 17, 9. 



n, o, p. Animals stuffed. Shells. Large shields ; pale. $ . 

 N. America. Smith. 54, 7, 1, 11. 



s. Animal, in spirits. 

 N. America. Zoological Society. 59, 5, 11, 6. 



q. Skeleton and shell ; wants lower jaw. Sternum convex behind, 

 concave in the middle. $ . 

 N. America. 51, 8, 25, 26. Paris. 



t. Skeleton and sternum, without plates. SheU, 5 in. 

 N. America. Giinther. 59, 9, 6, 485. 



h. Upper shell only, 4^ in. Shields black, with large yellow spots. 

 N. America. 42, 2, 29, 6. 



g. Upper shell only. Adult. Like h. 

 N. America. 



d. Upper shell only. Adult. Shields pale ; black-rayed. 

 N. America. 



c. Upper shell only. Adult ; wants some shields. 

 N. America. 



/. SheU only, 4 in. Black. Stemimi brown, with large yellow 

 marks. 

 N. America. 



** Onychotria. 

 2. CiSTUDO Mbxicana, Gray, Cat. p. 40 ; Stippl. p. 49.^ 



a. Animal stuffed. Adult. Back high, compressed, shelving ; plate 



black, yellow-rayed. 

 Mexico. Warwick. 48, 7, 28, 30. 



b. Animal stuffed. Adult. Shell oblong, evenly convex; plate 



yellow, black-marbled. Stermun flat. 

 Mexico. Warwick. 48, 7, 28, 29. 



c. Animal and shell, in spirits. 

 Mexico. Zool. Soc. 69, 5, 11, 4. 



Tribe 2. LUTEEMYINA. 

 Genus 2. OYSTOCLEMMYS. 

 1. Cystoclemmys flavomarginata. Gray, Cat., Suppl. p. 20. 



a. Animal, dry. Shell, 5f in. Elevated, thick, worn on the sur- 

 face. 

 Cuora trifasciata, specimen c. Gray, Cat. Bep., p. 42. Cuora 

 flavomarginata, Giinther, Bep. B. Ind., t. 8, f. a. 

 China. Presented by T. Reeves, Esq. 



6. Animal. SheU about 7 in. , 

 Formosa. Swinhoe. 63, 2, 23, 8. 



