280 CROCODILID^. 



Six large nuchal scutes, four in a square and one on each side, sub- 

 continuous with the dorsals, which arc in 10 transverse rows, the 

 fourth to fourteenth of which arc composed of six scutes ; those of 

 the two middle rows broader than long ; four oval scutes in a 

 transverse series behind the occiput. Scales on the sides and limbs 

 keeled. Fingers nearly free, outer toes extensively webbed. A 

 serrated fringe on the outer edge df the leg. Olive above, closely 

 spotted with black ; yellowish inferiorly. 



Eeaches a length of 2 metres. 



North Australia. 



a. Yg., stffd. Tort Darwin. R. G. S. EucHaud, Esq. [C.]. 



6. Cast of head of type spe- G. KreiTt, Esq. [P.]. 



cimcn, from Queensland. 



3. Crocodilus intermedius. 



Crocodilus intermedius, Graves, Ann. Gen. Sc. Phtjs. ii. p. 344 



(1819); Struuch, Si/n. C'rocod. p. 58 (ISGG) ; Liitken, Vidensh. 



Meddel. 1884-8G, p. 01 (1886). 

 journei, Bonj' de St. Vine. Diet. Class. d'JIist. i\V/<. v. p. Ill 



(1824); Dum. ^- Bihr. iii. p. 129 (18.3G) ; Huxhij, Journ. Linn. 



Soc. iv. p. 11 (18G0) ; A. Dum. Arch. Mns. x. p. 172, pi. xiv. 



fig. 3 (1860). 

 Mecistops jouruei, part., Grm/, Cat. Tort. Si'c. p. 58 (1844). 

 bathyrliynclius, Cope, Froc. Ac. Phihid. 18G0, p. 550, oh(Z 1865, 



p. 185. 

 Molinia intermedia, Gray, Ann. i^- May. N. II. (3) x. p. 272 (1862), 



and Trans. Zool. Soc. vi. p. 151, figs., pi. xxxii. figs, 4-6 (1867), 



and Cat. Sh. Eept. ii. p. 18 (1872). 



18 or 19 upper teeth on each side. Snout very slender, twice to 

 twice and a half as long as broad at the base, without distinct 

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

 prcTcmaxillo-maxillary suture, OJi the palate, produced backwards ; 

 maxillaries usually forming a median suture above, behind the 

 nasal opening. Six large nuchal scutes, four in a square and one 

 on each side, widely separated from the dorsals ; four postoccipital 

 scutes in a transverse series ; dorsal scutes in 10 transverse series, 

 the broadest of which contain six scutes in an uninterrupted series ; 

 other large keeled scutes isolated on the sides. Scales on the limbs 

 keeled : a serrated fringe on the outer edge of the" leg. A short 

 web between the second and third fingers ; outer toes extensively 

 webbed. Olive above, yellowish inferiorly. 



The largest known specimen measures nearly 4 metres. 



Orinoco. 



a. Ad., slvull. Orinoco. 



b. Ad., skull. ? 



c. Yg., spir. ? 



