SHIELD REPTILES. 57 



I. Animal and shell, very young, in spirits. 

 N. America. 



m. Animal and shell, in spirits ; half-grown. 

 N. America. 51, 4, 11, 13. 



n. SkuU ; half-grown. 



C. serpentina. Gray, Oat. t. 38, f. 1, t. 40, f. 2. 

 N. America. Zool. Soo, 



0. Skeleton and shell, 7 in. 



N. America. Parzudaki. 55, 11, 26, 17. 



Tribe 2. STAUEOTYPINA. 

 Genus 3. STAUKOTYPUS. 



1. Staueotypus tkiporcatus, OroA/, Cat. p. 47; Swppl. p. 45. 



a. Animal, young, ia spirits. Pale brown varied with black. 

 Mexico. 



h. Animal ; adult. Shell, 14 in. The anal plates united into one. 

 Staurotypus triporcatus, Qra/y, Cat. p. 47, t. 20, 6. 

 Vera Cruz. Salle. 



Genus 4. STAUEEMYS. 



1. Staueemys Salvinii, Gtoai, Cat. Suppl. p. 65. 



a. Animal and shell, in spirits ; adult. 



Staurotypus (Btauremys) Salvinii. Orai/, P. Z. S. 1864, p. 127. 

 Guatemala. Huamuchal ; Salvin. 64, 1, 26, 147. 



6. Skeleton of young, prepared by IB. Gerrard, jun. 

 Gray, P. Z. 8., 1869, p. 179, f, 6 ; Cat. Suppl- P- 65. f. 22. SkuU. 

 Guatemala. 



Tribe a. ABOMOCHELYINA. 

 Genus 5. AEOMOCHELYS. 

 * Ozotheca. Sternum rounded in feont. 

 1. Aeomochelys odoeatum. Gray, Cat. p. 46 ; Suppl. p. 66. 



a. Animal stuffed ; adult. Shields spotted. 

 N. America, Louisiana. Smith. 



b. Animal, in spirits. 



Delaware. Presented by H. Doubleday, Esq. 



j. Animal stuffed. SheU, Sf in. Convex. 

 N. America, Louisiana. Smith. 65, 12, 17, 7. 



c. Animal, in spirits. 



N. America, Texas. Giinther. 59, 5, 10, 1. 



d. e, f. Animals, in spirits. 



N. America. 60, 12, 18, 25, 28, 29. 



