THE HATKACIIIA OF NOKTll AMKKICA. 



289 



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Bufo loitiyiiiDsiis l('ntitiino,su.s Shiiw. 



Copt', ClicrU-hisI N. Aiiicr. Miitr. IJcplil., 187'), p. 'M. 



JliiJ'o UiiHijinosiis «liaw, Zoill., in, p. I7;{, l^ti:>; Giranl, rmccMHl. Ac. Pliila., 18ri4, p. 80. 



Cliihililiryiic liiiti;iiiioHit Cope, rriuccd. Ac. I'liila., lf^(i:t, i>. I).')?. 



/;»/() iiuixiiiii Liitr, Kept-. ", !'• 1-7; Djiiid., Kniii., p. '.>, IM. :?'.{, tig.;}, and Ucptil., Viil, 

 p. I'.tfl; Mcir. Tent,, p. Id'); Oravcnh., J)elic., p. ")'.», llolhiook, N. Amur, llt'i'i)*''!, 

 V, ri. 1; J)niii. IWbr. Krp. Oimi. VIII, p.(i-"J; Lccoiito, Trocecds. Acad., I'liilada., 



ih:;:?, p. :i.')7. 



rieatl large; snout obtiiso ; .superciliary riilge.s greatly elevated and 

 terminating posteriorly in a knob; upper jaw eniarginate, lower fur- 

 ni.slied with a hook in front; parotoid large, renitbrni, and reaching from 

 below the tymp;inum to near the shoulder; tyujpanum large; vocal 

 vesicle internal; body above warty, ben«'ath granulated. 



The head is large, and without warts, except a few small ones on Ihe 

 eyelids, and the mouth is large. The snout is obtu.se, and from its tip 

 runs an elevated bony crest, subdividing at the nostrils, and forming (he 

 superciliary ridges. These diverge and increase in elevation ,as they 

 reach the posteiior part of the orbit, where they terminate in a rounded 

 knob or tubercle. Their greatest height gives to the upper surface of 

 the head a »;analiculated appearance; a second or postorbital ridge de- 

 scends from eiich of these and completes the posterior border of the 

 orbit. In consecpiemie of the divergence of the superciliary ridges the 

 postorbitals are short. There is always present a short but distinct 

 ridg<^ above the tympanum at right angles to the postorbital — the supra- 

 tympanic. The upper Jaw is deeply emarginate in front; the lower is 

 furnished at its anterior part with a distinct hook, which is received in 

 the notch of the upper jaw. 



Tlie nostrils an^ small and round, placed near the point of the snout. 

 Tiie eyes are large, prominent, and very beautiful; the ])upil is black, 

 the iris reticulated with gold and black, and has an inner margin of 

 yellow. The tympanum is large and du.sky, with a minute spot of 

 a lighter shade in the center. The parotoid glands are large and 

 reniform. 



The back ami sides are dusky, and covered with warts of different 

 sizes; a pale vertebral lino extends from the head to the vent, on each 

 side of which are found the largest warts; an irregular row of spots of 

 yellowish-white exists on the think, having somewhat the appearance 

 of an indistinct band, extending from the inferior and posterior i)art of 

 Ihe parotoid gland to within a short distance of the thighs. The whole 

 inferior surface of the animal is dirty white, with a strong tinge of 

 yellow. 



Th(! anterior extremities have tiie upper surface dusky, with blotches 

 and bars of dark brown; the lower surface dirty white, tinged with yel- 

 low. Tilt! posterior extremities are dusky brown above, marked with 

 blotches and ( r.msver.se bars of darker brown, and dingy white beneath. 



Tills species attains to the same size as the typical form of 7>. /. (imcr- 

 icatiKs. A specimen (fiOl) from Florida exhibits remarkably elevated 



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