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. Skull ; half-grown. 



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

 N. America. Zool. Soc. 



0. Skeleton and shell, 7 in. 



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



Trihe 2. STAUEOTYPLNA. 

 Genus 3. STAUEOTYPUS. 



1. Staurotypus triporcatus, Gray, Cat. p. 47; Swgpl. p. 45. 



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

 Mexico. 



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

 Staurotypus triporcatus, Gray, Cat. p. 47. t. 20, b. 



Vera Cruz. Salle. 



Genus 4. STAEEEMYS. 

 1. Stauremys Salvinii, Gray, Cat. Suppl. p. 65. 



a. Animal and shell, in spirits ; adult. 



Staurotypus (Stauremys) Salvinii. Gray, P. Z. S. 1864, p. 127. 

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



b. Skeleton of young, prepared by E. Gerrard, jun. 



Gray, P. Z. S., 1869, p. 179, f. 5 ; Cat. Supjpl. p. 65. f. 22. Skull. 

 Guatemala. 



Tribe 3. AEOMOCHELYINA. 

 Genus 5. AEOMOCHELYS. 

 * Ozotheca. Sternum rounded in front. 

 1. Abomochelys odoratum, 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. 



;. Animal stuffed. Shell, 3f in. _Convex. 

 K. America, Louisiana. Smith. 55, 12, 17, 7. 



c. Animal, in spirits. 



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



d. e, f. Animals, in spirits. 



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



