984 CROCODILID 2. 
p. Heyr., stffd. Nile. G. L. Conyngham, 
Esq. [P.]. 
g. Ad., skel. Abyssinia. 
r, Ad., stffd. Senegal. 
s-t. Yg., spir. Senegal. 
u. Ad., stffd. Niger. Dr. B. Baikie [C.]. 
v. Yg., splr. Old Calabar. A. Murray, Esq.[P.]. 
w. Ad., skull. Old Calabar. A. Murray, Esq. | P. }. 
x,y, 2 Ad., skulls. W. Africa. Dr. B. Baikie [C.]. 
a. Her., skull. W. Africa. Dr. Livingstone [ P. ]. 
8. Yg., head in spir. Pongo Andongo, An- Dr. Welwitsch [ P.]. 
gola. 
y. Yg., spir. Tette, Mozambique. Sir J. Kirk [P.]. 
6. Yg., spir. Natal. 
e. Ad., stffd. 8. Africa. Lord Derby [P.]. 
Gn. Her. & yg., stfid. Madagascar. 
. Yg., spir. Madagascar, 
u Her., skel. Madagascar. 
x. Yg., spir. E. Madagascar. 
A,» Yg., stffd. —? 
7. Crocodilus porosus. 
Crocodilus porosus, Schnetd. Hist. Amph. ii. p. 159 (1801); Gray, 
Cat. Tort. Sc. p. 58 (1844) ; Giinth. Rept. Brit. Ind. p. 62 (1864) ; 
Theob. Cat. Rept. Brit. Ind. p. 36 (1876). 
oopholis, Schned. 1. c. p. 165. 
biporeatus, Cuv. Ann. Mus. x. p. 48, pls. i. & 11. (1807) ; Tiedem., 
Opp., § Lib. Nat. Amph. p. 72, pl. ix. (1817) ; Lesson, m Bélang. 
Voy. Ind. Or., Zool. p. 805 (18384); Dum. § Bibr, iii. p. 115 
(1836) ; Schleg. Abbild. p. 3, pl. i. (1837); Hualey, Journ. Linn. 
Soe. iv. p. 11 (1860) ; Strauch, Syn. Crocod. pp. 52 & 99 (1866). 
biporeatus raninus, Schleg. § Mill. in Temminck, Verh. Nat. 
Gesch, Nederl. Ind., Rept. p. 28, pl. ili. figs. 7 & 8 (1844). 
Oopholis porosus, Gray, Ann. § Mag. N. H. (3) x. p. 267 (1862), 
and Trans, Zool. Soc. vi. p. 188 (1867), and Cat. Sh. Rept. ii. 
p- 8 (1872). 
pondicherianus, Gray, ll. cc. pp. 268, 189, 9. 
Crocodilus pondicerianus, Giinth. Rept. Brit. Ind. p. 62, pl. vii.; 
Stoliczka, Journ. As, Soc. Beng. xiii. p. 115 (1878); Theod. Ll. ¢. 
17 to 19 upper teeth on each side. Snout once and two thirds to 
twice and one fourth as long as broad at the base; head rough, snout 
with a more or less strong ridge on each side in front of the eye, 
slightly converging towards its fellow ; mandibular symphysis extend- 
ing to the fifth tooth ; praemaxillo-maxillary suture, on the palate, 
directed backwards or W-shaped; nasal bones separating the pre- 
maxillaries above. Four large nuchals forming a square, with one or 
two smaller ones on each side; postoccipital scutes usually absent, 
sometimes small and irregular. Dorsal shield well separated from 
the nuchal, the scutes forming 16 or 17 transverse and four to eight 
longitudinal series; scales on sides and limbs smooth or feebly 
keeled. Fingers webbed at the base; outer toes extensively webbed. 
A serrated fringe on the outer edge of the leg. Adult dark olive 
