Xenopus, TFag!. Isis, 1827, p. 726, and Si/sf. Amph. p. 199. 

 Leptopus, sp., Mayer, Anal. p. 34. 

 Pipa, .sp., 3L'rr. tnif. p. 180. 

 Biifo, .sp., aiirf. pn'nr. 



1 . Dactylethra laevis. 



Bufo Ipevis, Baufl. Hist. Rain. p. 85. pi. 30. f. 1, and Rept. viii. p. 171. 

 Pipa Isevis, Men: Tent. p. 180. 



bufonia, id. I. r. 



Leptopus oxydactyhis, Mai/er. Anaf. p. 34. 



DactA'lethra capensis, Ci/v. Regiie Anim. ; Dmn. Sf Bibr. p. 765. 



pl.'92. f. 1. 

 Xfnopns boiei, Wagl. Isis, 1827, p. 726, and Si/sf. p. 199. 

 Dactylethra boiei, Tschudi, I. c. 



Ashy liro-wn, veined ^vith blackisli. Tarsu.s and metatarsus with- 

 out any tubercle or spTir. 



n. Large specimen: female. Port Natal. Presented by the Rev. 



H. Calloway. 

 h. Adult. Africa. From Mr. Frank's CJollection. 

 r. (1. Half-grown. West Africa. From Mr. Fraser's Collection. 

 f. Large specimen : stuffed. Cape of Good Hope. 



2. Dactylethra mulleri. 



Peters, Mnnatsher. drr Berlin. Acad. 1844, p. 37. and JVieqm. Arch. 

 1855, p. 58 ; Hallow. Proc. Ac. Hat. Sc. Philad. 1857, p. 65. 



Black above, dark brown below ; a cutaneous appendage below 

 the eye ; a spur at the base of the first toe. Mozambique ; Gaboon. 



Fam. 2. PIPID^. 



Haplosiphona without maxillary teeth, with webbed toes, and 

 with the processes of the sacral vertebra dilated. 



1. PIPA. 



Head short, bi-oad, very flat, tiiangular ; teeth none in jaws nor 

 in palate ; tympanum hidden ; paratoids none ; eustachian tubes 

 united, in the middle of palate, very small. Fingers four, each 

 ending in fom- appendages ; toes five, simple at the tip, broadly 

 webbed. 8acral vertebra much dilated. Female with pouches on 

 the back. S. America. 



Pipa, Lam: Si/n. 1788; 3Ien: Tent. p. 179; Cur. Rk/ne Anim.; 



Diim. iir Bihr. viii. p. 767. 

 A.stevodactvhis, War/l. Si/sf. Amph. p. 199; Tsrhiidi, Class. Bafrach. 



p. 89. ' 

 Leptopu.*, sp., Mai/er, Anal. p. 34. 

 Bufo, sp., Rana, sp.. durt. prior. 



