284 



CROOODILII)^. 



;;. Ilgr., stffd. 



(/. Ad., skel. 



/•. Ad., stllU. 



s-t. Yg-., spir. 



u. Ad., stifd. 



V. Yg., spir. 



w. Ad., skull. 



,T, ?/, z. Ad., skulls. 



o. llgT., skull. 



/3. Yg., head in spir. 



Yg., spir. 

 Yg., spir. 



8. Yg., spii. 



e. Ad., stffd. 



f, ^. Ilgr. & yg., stffd. 

 e. Yg., spir. 



t. Ilgr., skel. 

 K. Yg., .spir. 

 X, ^. Yg., stffd. 



Nile. 



Abjssinia. 

 Senegal. 

 Senegal. 

 Niger. 



Old Calabar. 

 Old Calabar. 

 W. Africa. 

 AV. Africa. 



Pougo Aiidongo, An- 

 gola. 

 Tette, Mozambique. 

 Natal. 

 S. Aii'ica. 

 Madagascar. 

 Madagascar. 

 Madagascar. 

 E. Madagascar. 

 ? 



G. L, Conyugham, 

 Esq. [P.]. 



Dr. B. Baikie [C.]. 

 A. Murray, I<]sq. [P.l 

 A. Murray, Esq. P.' 

 Dr. D. Jiaikie [C.]. 

 Dr. Livingstone [P.], 

 Dr. Wehvitsch [P.]. 



Sir J. Kirk [P.J. 



Lord Derby [P.]. 



7. Crocodilus porosus. 



Crocodilus porosus, »Sc//«/'/cZ. Hist. Amph. ii. p. loO (1801); Grm/, 



Cat. Tort. ^-c. p. 58 (1844) ; Glinth. licpt. Brit. Iml. p. 02 (18()4;; 



Theob. Cat. Rept. Brit. Inch p. 36 (1870). 



oopliolis, Schneid. l. c. p. 105. 



biporcatus, Cuv. Ann. Mas. x. p. 48, pis. i. & ii. (1807) ; Tieclcm., 



0pp., S)- Lib. Nat. Amph. p. 72, pi. ix. (1817) ; Lesson, in Bclany. 



Vol/. Iml Or., Zooh p. .•{0;J (18-34); Bum. c^' Bibr. iii. p. 115 



(18;J0); Sclde(j. Ahhild. p. 3, pi. i. (1837); IluxJey, Journ. Linn. 



Sop. iv. p. 11 (1800) ; Strauch, Si/n. Crocod. pp. 52 & 99 (1800). 

 biporcatus rauiiius, Svldec/. i^- Midi, in Temnnnch, Vcrh. Nat. 



Oesch. Nederl. Ltd., Sept. p. 28, pi. iii. figs. 7 & 8 (1844). 

 Oopliolis porosus, Graij, Ann. ^- Maij. N. II. (3) x. p. 207 (1802), 



and Trans. Zooh Soc. vi. p. 138 (1807), and Cat. Sh. liepf. ii. 



p. 8 (1872). 



pondicheriauus. Gray, U, cc. pp. 208, 139, 0. 



Crocodilus pondicerianus, Giinth. Bept. Brit. Ind. p. 02, pi. vii.; 



Stoliczka, Journ. As. Soc. Beucj. xlii. p. 113 (1873) ; T/icob. I. c. 



17 to 19 upper teeth on each side. Snout once and two thirds to 

 twice and one fourth as long as broad at tlic base ; head rough, snout 

 witli 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 ; praimaxillo-maxillary suture, on the palate, 

 directed backwards or W-shaped ; nasal bones separating the pras- 

 maxillarics 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 10 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 



