•S. ciinc()i)ir,rs. 279 



1. Crocodiliis cataphractus. 



Crocodilus cataphractus, Cuvier, Ossein, l^vss. v. pt. 2, p. /jH, pi. v. 



fi}?s. 1 Si 2 {16-2-L); Bum. c^- Bibr. iii. p. V2G (IS-'JO); yi. hum. 



Arch. Mus. x. p. 171, pi. xiv. fi^^ 2 (18(J0) ; Stmuch, Si/n. 



Crocod. pp. GO it 10() (1800), and Bull. Ac. St. Pcfcrsl?. xiii. p. 58 



(18(J9) ; G'icbcl, Zeitschr. (jes. Naturio. 1. p. 105, pis. vii.-x. (1877). 

 leptorhynclms, Bennett, Proc. Zoul. Soc. l8.'3.j, p. 12!); A. Dum. 



Cut. Meth. Eept. p. 29 (1851), and Arch. Mus. x. p. 171, pi. xiv. 



fig. 1. 

 Mccistops bennettii, Gray, Cat. Tort. 8fc. p. 57 (1844). 

 catapliractiis, Ciraif, I. c. p. 58 ; JIu.iley, Journ. Linn. Soc. iv. 



p. 10 (1800) ; Oral/, Trans. Zuol. Soc. vi. p. 157, pi. xxxii. figs. 1-3 



(18G7), and Cat. S'h. Kept. ii. p. 22 (1872). 



17 or 18 upper teeth on each side. Snout very slender, Gavial- 

 like, twice and two thirds to thrice and one third as long as broad 

 at the base (/. e. on a lino with the anterior borders of the orbits), 

 without distinct ridges ; mandibular symphysis long, extending to 

 the seventh or eighth tooth ; procmaxillo-maxillary suture, on the 

 palate, directed backwards; maxillaries forming a median suture 

 above, behind the nasal opening. Two pairs of large nuchal scutes, 

 continuous or subcontinuous with the dorsals, which are in 18 or 

 19 transverse rows, the fourth (or fifth) to fifteenth of which are 

 composed of six scutes ; sides with large, keeled scutes ; gular and 

 ventral scutes bony in the adult. A slight web between the second 

 and third fingers ; outer toes two-thirds webbed. A serrated fringe 

 on the outer edge of the leg ; scales on the limbs strongly keeled. 

 Blackish olive above, yellowish interiorly ; young pale olive, with 

 large black spots. 



The largest specimen in the Collection measures 2 metres. 



"West Africa, from the Senegal to the Gaboon. 



a. Ad., sfffd. Gambia. Mr. Randall [C.]. 



h. Ilgr., skull. Sierra Leone. 



c. Yg., spir. Old Calabar. A. INIurray, Esq. [P.]. 



d. Yg., spir. Old Calabar. A\'. Carrutheis, Esq. [P.]. 



e. Yg., stffd. Fernando Po. Zoological Society. (Type 



of C. h'ptorhynclms.) 

 /, (J, h. Ilgr. & yg., W. Africa. 

 • stfFd. 



i. Ad., skidl. \V, Africa. Dr. B. Baikie [C.]. 



;;;. Ad., skull. W. Africa. 



2. Crocodilus jolinstonii. 



Crocodilus johnsoni *, Krefft, Proc. Zool. Soc. 1873, p. 335. 

 Philas johnstoui, Crrai/, Proc. Zool. Soc. 1874, p. 177, pi. xxvii. 



19 upper teeth on each side. Snout very slender, Gavial-like, 

 about three times as long as broad at the base, without distinct 

 ridges ; mandibular symphysis long, extending to the sixth tooth ; 

 maxillaries forming a median suture above, behind the nasal opening. 



* A misprint iov johnstoni. 



