38 



Alytes, W(i//I. Natiirlivlu's Si/stcm dcr Anipitibicn, p. 20(3; Tschudi, 



Batr. p. 84 ; Dnm. i)- Bibi: viii. p. 4G5. 

 Bombiuator, sp., Men: Teiii.'p. 179. 

 Bufo, sp., liana, f<p., nucf. prior. 



J . Alytes obstetricans. 



Bufo obstctricana, Lain: Si/n. Bejit. pp. 28, 128; Brun;/. Bidl. Soc 

 Philoin. an viii. p. 91. pi. 6. f . 4 ; Latr. Hist. Salam. p. 40, and 

 licjd. ii. p. 112 ; Daud. Hist. Haiti, p. 87. pi. 32. f. 1, and litpt. 

 viii. p. 176; Cut: Rbgne Anim. ; Grijf. Atmn. Kinyd. ix. p. 400. 



llaua campanisona, (Gesn.) Lmir, I. c. 30, 133. 



Bufo communifi, var., Laccp. Qiiadr. Ori]?. i. p. 579. 



Eaua olistclrifuns, IVoIf, in f'tunn, DciifscJd. Faiiiia, iii. Iloft 4. 



Bombiuator obstetricans, 3Ierr. Tent. p. 179 ; Grarenh. Delie. p. 68. 



Ahtes obstetricau.9, Weigl. I. c, and Ic. Amph. t. 22. f. 3-5; Schinz, 

 'Faun. Hcket. p. U5 ;' Tschudi, /sw, 1837^ p. 702, and Betir. p. 84 ; 

 Bonap. Faun. Itcd. ; Dum. ^- Bibr. p. 407. 



Brownish-olive with darker specks. 



a-c. Adult vnih. eggs. Paris. From M. Parzudald's Collection. 

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



2. SCAPHIOPUS. 



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

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

 toes completely webbed, first cuneiform bone forming a flat, shaqj- 

 cdged spm*. Tympanum distinct ; eustachian tubes moderate. 

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

 Male with an internal subgular vocal sac. North America. 



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

 Dum. Sr Bibr. viii. p. 471. 



1 - Scaphiopus solitarius. 



Scapliiopus solitarius, Holbr. N. Amcr. Herpet. iv. pi. 27 ; Tschudi, 

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



Bro'wnish olive, with a yellow streak on each side. 



a. Adidt. North Amciica. 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 four, free ; inner finger with a blunt tiibercle and an 

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

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

 granulai', of the belly smooth ; a large paratoid, not prominent, but 

 conspicuous by an incision in the sldn, as in Rhinoplinjims. Vomerine 

 teeth in a straight, in the middle interrupted line bet\A'een the inner 



