296 



BITFONID^. 



forwards along tlio body, the tarso-mctatarsal articulation reaches 

 the eye. Upper surfaces with irregular, distinctly porous warts ; 

 paratoids short, subtriangular, depressed. Olive above, marbled 

 with darker ; a light vertebral line ; belly spotted with blackish. 

 California. 



a. $. 

 b-c. Yg. 



California. 

 Fraser River. 



H.M.S. ' Plumper.' 



24. Bufo boreas. 



Bufo boreas, JBaird 8f Gir. Proc. Ac. Philad. 1852, p. 174 ; Girard, 



U.S. Expl. Exped., Herp. p. 74, pi. 6. f. 4-9. 

 Bufo columbieusis, Baird 4'- Gir. I'roc. Ac. Philad. 1853, p. 378 ; 



Girard, I. c. p. 77, pi. o. f. 4-9. 



Lower surface of foot. 



Crown without bony ridges ; snout short, blunt ; interorbital 

 space Hat, or slightlj^ concave, as broad as the upper eyelid; tym- 

 panum very distinct, half the width of the eye. Pirst finger not 

 extending beyond second ; toes entirely webbed or nearly so, with 

 double subarticular tubercles (generally only under the last phalanges 

 of the longest toe) ; two moderate metatarsal tubercles ; a tarsal 

 fold. The hind limb being carried forwards along the body, the 

 tarso-mctatarsal articulation reaches the nostril in males, the tym- 

 panum or eye in females. Upper surfaces with irregular, distinctly 

 porous warts ; parotoids short, subtriangular or suboval, depressed. 

 Olive above, marbled with darker ; generally a light vertebral line ; 

 belly more or less spotted with blackish. Male with a subgular 

 vocal sac. 



California ; Montana. 



a. 6. 



h-d, e. Many spec, 



S & yg- 



g. Several spec, 



yg- 



h-i. $. 



Fort Halket. 

 Suinass Prairies. 



Vancouver's Island. 

 S. Juan, Orcas Is- 

 lands. 

 California. 



B. E. Ptoss, Esq. [P.]. 

 Boundary Commission [C.]. 



Lieut.-Col. TIawkiDS [0.]. 

 Vov. of H.M.S. 'Plumper.' 



ih: Lvall TC.]. 

 Mr. Gruber [C.]. 



