38 REPTILES. 



Alytes, Wfu/l. Natmiiches System (Icr Ampliibicn, \^. 206 ; Ihchudi, 



Batr. p. 84 ; Dum. Sf Bihr. viii. p. 4G5. 

 Boinbiiiator, sp., Merr. Tent. p. 179. 

 Bufo, sp., Rana, sp., auct. prior. 



1. Alytes obstetricans. 



Bufo obstetricans, Laur. Syn. Rept. pp. 28, 128; Brong. Bull. Soc. 



Philom. au viii. p. 91. pi. 6. f. 4 ; Latr. Hist. Salam. p. 40, and 



Rept. ii. p. 112 ; Datid. Hist. Rain. p. 87. pi. 32. f. 1, and Rejit. 



viii. p. 176 ; Cuv. R^gne Anim. ; Griff. Anim. Kingd. ix. p. 400. 

 Ivana canipanisona, (Gesn.) Lmir, I. c. 30, 133. 

 Bufo communis, var., Lac^p. Quadr. Ovip. i. p. 579. 

 Eana obstetricans. Wolf, in Sturm, Deutschl. Fauna, iii. Heft 4. 

 Bombinator obstetricans, Merr, Tent. p. 179 ; Gravenh. Delic. p. 68. 

 Alytes obstetricans, Waql. I. c, and Ic. Amph. t. 22. f. 3-5 ; Schinz, 



Faun. Helvet. p. U5;' Tschudi, Isis, 1837, p. 702, and Batr. p. 84 ; 



Bonap. Faun, Ital. ; Dum. ^ Bihr. p. 467. 



Brownish-olive with darker specks. 



a-c. Adult with eggs. Paris. From M. Parzudaki's Collection. 

 d. Several specimens. Bonn. Presented by Prof. Troschel. 



2. SCAPHIOPUS. 



Forehead and crown bony, rugose. Skin smooth; above the 

 tympanum a small paratoid. Fingers four, webbed at the base ; 

 toes completely webbed, first cimeiform bone forming a flat, sharp - 

 edged spur. Tympanum distinct ; eustachian tubes moderate. 

 Tongue oval, free and slightly nicked behind. Vomerine teeth. 

 Male with an internal subgular vocal sac. North America. 



Scapbiopus, Holbr. N. Amer. Herpet. iv. p. 109 ; Tschudi, Batr. p. 83; 

 Dtim. ^ Bibr. viii. p. 471. 



1. Scaphiopus solitarius. 



Scaphiopus solitarius, Holbr. N. Amer. Herpet. iv. pi. 27 ; Tschudi, 

 I. c. ; Dum. Sf Bibr. p. 473. 



Brownish olive, with a yellow streak on each side. 



a. Adult. North America. Presented by Edward Doubleday, Esq. 

 h. Adult. Charleston. Presented by P. L. Sclater, Esq. 



3. HELEIOPORUS. 



Habit stout ; head broad, short, swollen ; eyes large ; extremities 

 short ; fingers foiu% free ; inner finger with a blunt tubercle and an 

 acute spur ; toes five, half- webbed ; first cuneiform bone with a large 

 flat spur, more soft and blunt than in Pelobates. Skin of the back 

 granular, of the beUy smooth ; a large paratoid, not prominent, but 

 conspicuous by an incision in the skin, as in Rhinojihrynus. Vomerine 

 teeth in a straight, in the middle interrupted line between the inner 



