64 



HAND- LIST OF 



Genus 2. HYDRO MED USA. 



:;: Hydromedusa. 



1. Hydromedusa Maximiliani, Gray, Cat. p. 59 ; Suppl. p. 73 ; 



Append, p. 19 ; Arm. <(• Mag. Nat. Hist. 1873. 



a. Animal stuffed. Shell, 7£ in. Sternum concave behind. 

 S. America. Buenos Ayres. S. Miller. 48, 2, 3, 3. 



2. Hydromedusa platanensis, Gray, Ann. dt Mag. N. Hist. 1873. 



a. Shell only, about 81 in. In very bad state, much broken, with- 

 out dorsal shields. 

 Hydromedusa Maximiliani, r, Gray, Cat. p. 59. 

 Hydromedusa platanensis. Qray, Ann. dt Mag. N. H. 1873. 

 Bio de la Plata. Bravard. 59, 5, 16, 11. 



" :::;: Chclomedusa. 



3. Hydromedusa flavilabris, Gray, Cat. p. 59 ; Suppl. p. 73 ; 



Append, p. 19. Aim. dt Mag. Nat. Hist. 1873. 



a. Animal, half-grown, in spirits. Shields nearly smooth. 



H. Maxmiiliani, jun., Gray, Cat. Tort. B. M. p. 44. 

 Brazils. V. Clausen. 



b. Animal, in spirits ; young. Shields concentrically grooved. 

 Brazils. P. Clausen. 



e. Animal stuffed, and shell, 5£. Sternum flat. 

 Hydromedusa flavilabris, " c," Gray, Cat. p. 60. 

 Tropical America. Zool. Soc. 



d. Shell only, 2^ in. 

 Brazils. 59, 1, 31, 1. Presented by Mrs. Miers. 



4. Hydromedusa depressa, Gray, Cat. p. 60 ; Suppl. p. 73 : Ann. 



<£ Mag. Nat. Hist. 1873. 



a. Animal and shell ; adult, in spirits. Some of the plates of the 

 back and sternum divided into a number of small roundish 

 shields. 

 Hydromedusa depressa, Gray, Cat. p. 60, t. 26. 

 Brazds. Brandt. 49, 11, 7, 29. 



Genus 3. HYDBASPIS. 



1. Hydraspis raniceps, Gray, Cat. -p. 55; Suppl -p. 7; Append. 

 p. 19. 



r. Animal and shell, 13 in. Male. 

 Surinam. 



