45 



Robert James, Esq. [P.]. 



G. H. White, Esq. [P.]. 

 Mr. Doorman [O.J. 



Rev. F. L. Hopkins [P.]. 

 C. Darwin [P.]. 



Prof Owen [P.]. 

 Dr. A. Gunther [P.]. 

 Dr. A. Gunther [P.]. 



Leyden Museum. 

 M. Sall6 [0.]. 

 Mr. A. Porrer [C.]. 

 Paris Museum [E.J. 



Prof. St. George Mivart 

 [P.]. 



7. Amblystoma xiphias. 



Amblystoma xiphias. Cope., Proc. Ac. PMad. 1867, p. 192 ; Strauch, 

 Saiam. p.. 64. 



Differs from A, tigrinum in the smaller head, distinct canthus 

 rostralis, and longer tail, which considerably exceeds the rest of the 

 animal. YeUowish-olive, brighter yellow beneath, with more or less 

 anastomosing or reticulating bands of well-defined brown on the 

 back and sides, and a few rounded spots of the same on the belly. 



Columbus, Ohio. 



8. Amblystoma trisruptum. 



Amblystoma trisruptum, Cope, Proc. Ac. Philad. 1867, p. 194 ; 

 Strauch, Salmn. p. 64. 



Palatine teeth in four distinct patches, with decided intervals ; 

 they form one transverse series, nearly straight centrally, where 

 they are in a line with the posterior border of the choanse, but curv- 

 ing slightly backwards laterally ; the two central patches are wider 

 than the lateral, which vary a little in length, and are separated by 

 an interval half the diameter of the choanse ; their distance from the 

 exterior patches is about twice as great, the centre of the interval 

 falling about opposite to the inner border of choanse; the outer 

 patches extend about half a diameter beyond the outer border of 

 choanse. Head very broad, much depressed, ovate, rather pointed 

 anteriorly; The remaining characters not different from those of 

 A. tigrinum. Uniform dark blackish or bluish brown, with a single 



