1. XENOPTTS. 



457 



Xenopus boiei/ Wctf/I. Isis, 1827, p. 726, and Sijsf. Amph. p. 199. 

 Dactvlethra capeusis, Cuv. It. A.; Bum. <§• Bibr. p. 765, pi. 92. f. 1 ; 



a'. Bum. Arch. Mus. x. pi. 18. f. 6; Mansell Veale, Ann. S^- Mag. 



N. H. (3) xvii. p. 391. 



boiei, T.sclmdi, Bntr. p. 90. 



Xenopus Isevis, Steindachn. Novara, Amph. p. 4. 

 Dact^'letlira Isevis, Blanf. Observ. Zool. Geol. Abyss, p. 459. 



Sternal apparatus. 



Head small; snout short, rounded, ■without canthus rostralis ; 

 eyes and nostrils turned upwards ; tormer small, their diameter 

 equalling the distance between their front border and the nostril ; 

 upper ej'elid reduced to a mere fold of the skin ; a very short ten- 

 tacle below the eye. Pingers very slender, acutely pointed, sub- 

 equal in size ; toes strong, depressed, pointed, very broadly webbed, 

 tbe three inner furnished with black corneous sheaths imbedding 

 the claws ; no claw-like metatarsal spur ; no subarticular tubercles. 

 The hind limb being carried forwards along the body, the tarso- 

 metatarsal articulation marks the eye in females, the tip of the snout 

 in males. Skin smooth, with more or less distinct tube-like liiies 

 round the body. Dark brown above ; whitish beneath, immaculate 

 or spotted with brown. The females distinguished in having three 

 dermal flaps closing the vent. 



Tropical Africa. 



a. Yg. 

 h. 2. 



c. 2- 



d. Larvae, many spec. 



e. S. 

 f-9- 2- 



h. 6. 



i. Ad., stuffed. 



k. 2- 



l-m. J 2 ■ 



Senafe, Abyssinia. 

 Port Natal. 

 Port Natal. 

 KafFraria. 



King-WiUiam's Town. 

 Ggj)e. 



Cape. 

 Cape. 



Orange Eiver, 

 W. Africa. 



W.T.Blaiiford,Esq.[P.]. 

 Rev. H. Callowav [?■]• 

 T. Avres, Esq. [C.]. 

 F.P.'M.Weale,Esq. [P.], 

 H. Trevelyan, Esq. [P.]. 

 The Medical Officers of the 



Chatham Mus. [P.]. 

 Sir A. Smith [P.]. 



Dr. Kannemeyer [P.]. 

 Dr. Welwitsch [P.]. 



2. Xenopus muelleri. 



Dactylethra miilleri, Gunth. Cat. p. 2. 

 Dactylethra miilleri, Peters, Mon. Berl. Ac. 1844, p. 37, and Arch, 



f. Xaturff. 1855, p. 58. 

 Xenopus miilleri, Peters, Mon. Berl, Ac, 1875, p. 201. 



