ORDER BATRACHIA. 403 



The Otilophes, Cuv., 



In which the muzzle is also angular, and in which 

 the head has on each side, a crest which extends 

 over the parotid. The Pearled Toad, (liana Marga- 

 Titifera, Gm.) Daud. xxxiii. is the type. 



Breviceps, Merr., Engystoma, Fitz. in part, 



Are toads without visible tympanum or parotid, with 

 an oval body, head and mouth very small, feet but 

 little palmated.* 



A more essential difference is that which has 

 caused the separation from the whole great genus 

 rana, of 



The PiPA, Laur., 



Which are distinguished by their body flatted hori- 

 zontally ; by their large and triangular head ; by 

 the absence of all tongue j by a tympanum con- 

 cealed under the skin ; by small eyes placed towards 

 the edge of the upper jaw ; by the front toes being 

 cleft each at the end into four small points, and by 

 the enormous larynx of the male, made like an osseous 



* Engystoma Dorsatum, Nob. or Bvfo Gibbosm. Auct. Seba, II. xxxvii. 

 No. 5. Daud. xxix. 2; Eng- Marmoratum; Eng. Granosum. Nob. New 

 Species, one from India, the other from the Cape. The Eng. Surina- 

 mense. Daud. xxxiii. 2; has the mouth more ample, as well as the Bufo 

 Globulosus and Albifrons, Spix, xix.— N.B. The Engystovia Ovale, Fitz. is a 

 Dactylethra ; his Eng. Vcnlricosa is a Bombinator. N.B. The Bufo 

 Ephippium, Spix, xx. 2, of which M. Fitz makes his genus Brachycepha- 

 lus, because but three toes are visible on all its feet, may be nothing but a 

 young individual badly preserved, or badly represented. 



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