SHIELD REPTILES. 47 



e. Shell only, 7£ in., discoloured from confinement. 

 W. Indies. Zool. Soc. 48, 11, 1, 22. 



/. Shell only, solid and heavy, 8 in. 

 W. Indies ? 



3. Trachemys rtvulata ? Emys rivulata, Gray, Cat. p. 27 t. xi. 



a. Shell, 11 in. Vertebral line depressed. 

 N. America. 



4. Trachemys annulifera. 



Emys annulifera, Gray, Cat. Sh. Rep. p. 27. 



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

 Emys annulifera, Gray, Syn. Rep. p. 32. 

 N. America ? 



Genus 3. CALLICHELYS. 



1. Callichelys ornata, Gray, Cat. Suppl. p. 48. Append, p. 15. 



a. Animal stuffed. Shell, 6| in. 

 Tropical America. 



e. Animal stuffed. Shell, 13 in. Costal shields longitudinally 

 furrowed, dark coloured ; rings indistinct. 

 Mexico. 48, 7, 28, 26. 



m. Animal stuffed. Shell, 13 in. 

 Tropical America. Zool. Soc. 53, 9, 17, 4. 



j. Animal stuffed. Shell, 13 in. 

 Emys omata, Gray, Cat. Sh. Bep. t. xii. 

 Tropical America. Zool. Soc. 51, 6, 2, 4. 



Ti. Animal stuffed. Shell, Q\ in. The nuchal streak on one side 

 interrupted. 

 Mexico. 45, 7, 28, 27. 



i. Animal dry. Shell, 5^ in. Plates radiately striated. 

 W. Indies ? Scrivener. 44, 3, 20, 36. 



h. Animal stuffed. Shell, 4£ in. Plates radiately striated. 

 Mexico. 



d. e. Animals, very young, in spirits. Areola of vertebral plates 

 with a posterior central spot and lateral streak ; costal with a 

 central spot rather below the centre, surrounded with three or 

 four regular rings ; marginal plates with a spot on hinder 

 margin and lings in front of it. Head yellow-lined, with two 

 broader lines on its side. 

 Mazatlan. Presented by Alex. Collie, Esq., K.N. 



/. Animal very young, in spirits exactly like " d " and " e." 

 Emys concinna, Dumeril. Mus. Paris. 

 New Orleans. Mus. Paris. 



g. Animal, very young, in spirits. 

 Mexico. 



