SHIELD BEPTILBS. 61 



Var. Shell elongate, not or very indistinctly "keeled, 



h. Animal stuffed. Shell, 4^ in. ; wanting dorsal plates. Not keeled. 

 Sterntim flat, entire behind. 

 Central America. 



e. Animal, dry. Shell elongate, 3| in. ; without dorsal plates, not 



keeled. Sternum flat, acute behind. 

 Kinosternon scorpoides, var. acuta. Gray, Syn. p. 14, t. tu. f. 1. 

 Central America. 



a. Shell, 4i in. ; wanting dorsal plates. Not keeled. Sternum 

 entire behind. 

 Tropical America. S4, 10, 16, S9. 



i. Shell only, rather ventricose, 4| in. ; without any keels. Sternum 

 sUghtly convex, entire behiud. 

 Tropical America. 45, 8, 18, 1. 



2. SwANKA MACULATA, Qroy, Cat. Sufppl. p. 68. 



a. Animal and shell, ia spirits; adult. 

 Swanka maculata, Gray, I. c. p. 68. 

 Guatemala, Vera Paz. Salvin. 64, 1, 26, 144. 



h. Animal and shell, ia spirits ; adult. 

 Guatemala. Salvia. 64, 1, 26, 145. 



d, e, f. Animals, ia spirits. Sternum rounded behiad. 

 Mexico, Salle. 62,6,6,1. 



g. Skeleton and shell, 6} ia. 

 Papalco, Apoia. SaUe. 62, 6, 6, 4. 



3. SwANKA FASCiATA, Chroy, Cat. Sioppl. p. 68. 



a. Animal, in spirits ; adult. 

 Swanka fasciata, 'Qrwy, I. a. 

 S. America. Brandt. 56, 2, 6, 1. 



Family 8. PLATYSTEENID.S!. 

 Genus 1. PLATYSTEBNON. 



1. Platysteeson mbgacephalum, Grwy, Cat. p. 49; Sii^pl. p. 70. 



a. Animal stuffed ; half-grown. Shell, S\ in. 

 P. megaoephalum, Qrwy, Ilhistr. Ind. Zool. f. 

 China. ' Presented by John Beeves, Esq. 



6. Animal stuffed ; adult. Shell, 5^ in. 

 China. Gardens Zool. Soc. 54, 3, 4, 3. 



c. Animal, dry. SheU, 4 in. 

 China. Swinhoe. 70,1,14,26. 



