296 



BUFOXID-E. 



forwards along the body, the tarso-metatarsal articulation reaches 

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

 paratoids short, subtriangular, depressed. Olive above, marbled 

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

 California. 



a. $. 

 b-c. Yq 



California. 

 Eraser River. 



H.M.S. ' Plumper. 



24. Bufo boreas. 



Bufo boreas, Baird # Gir. Proc. Ac. Philad. 1852, p. 174 ; Girard, 



U.S. Expl. Exped., Herp. p. 74, pi. 0. f. 4-9. 

 Bufo columbiensis, Baird $ Gir. Proc. Ac. Philad. 1853, p. 878 ; 



Girard, I. c. p. 77, pi. 5. f. 4-9. 



Lower surface of foot. 



Crown without bony ridges ; snout short, blunt ; interorbital 

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

 panum very distinct, half the width of the eye. First 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-metatarsal 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. J. 



b-d, e. Many spec, 



2 & yg. 



g, Several spec., 



yg- 



h-i. $. 



Fort Hallret. 

 Sumass Prairies. 



Vancouver's Island. 

 S. Juan, Orcas Is- 

 lands. 

 California. 



B. R.Ross, Esq. [P.]. 

 Boundary Commission [C.]. 



Lieut.-Col. Hawkins [C.]. 

 Voy. of II. M.S. 'Plumper.' 



l)r. Lvall TCI. 

 Mr. Grruber [C.J. 



