SCOPELIM. 
115 
SYNODONTIS, Cuv. & Val. 
388. Synodontis schal. 
Silurus schall, Bl. Schn. p. 385. 
Pimelodus clarias, Geoffr. Descr. Eg. Poiss. pi. 13. figs. 3, 4. 
Synodontis arabi, Cuv. Val. sv. p. 261. 
schal, Giinth. Fish. v. p. 212. 
maculosus, Riipp. Beschreib. neuer Nil-Fische, p. 10, t. 3. f. 1 (young) . 
Found in the Rovuma river, in the Zanzibar dominions, by Dr. Kirk. Zambesi. 
Nile. Senegal. 
389. Synodontis gambiensis. Plate XYII. fig. l. [500.] 
Synodontis gambiensis, Gilntli. Fish. v. p. 214. 
D. \. A. 12-13. P. 8 4q. V. 7. 
The gill-opening extends downwards to before the root of the pectoral fin. Mandi- 
bulary teeth much shorter than the eye, in a narrow band. Maxillary barbels much 
longer than the head, not fringed; the outer mandibulary barbels not much shorter 
than the head, provided with filaments. The height of the body is contained thrice 
and a half in the total length (without caudal), and the length of the head four times 
in the same. Nuchal carapace tectiform, much longer than broad. Dorsal spine 
rather longer than the head, smooth in front, slightly serrated behind ; pectoral spine 
serrated along both edges, scarcely longer than that of the dorsal fin ; humeral process 
longer than high, pointed behind. The distance between the dorsal and the adipose 
fin equals the length of the base of the former. Caudal deeply forked, the upper lobe 
the longer, and contained thrice and three-fifths in the length of the body. 
Colour dark brown ; head, body, and fins spotted with black. 
Length 10-| inches. 
Pangani river. East coast of Africa. Gambia. 
Family SCOPELIM). 
SAURUS, Cuv. & Val. 
390. Saurus varius. [231, 562.] 
Salmo varius, Lacep. v. p. 224, pi. 3. f. 3. 
Saurus variegatus, Quoy &; Gaim. Voy. Uran. Poiss. p. 223, pi. 48. f. 3. 
varius, Giinth. Fish. v. p. 395. 
Zanzibar. Indian and Pacific Oceans. 
391. Saurus atlanticus. [723.] 
Saurus atlanticus, Johnson, Proc. Zool. Soc. 1863, p. 41 ; Giinth. Fish. v. p. 395. 
Br. 15-17. D. 12-13. A. 9-10. L. lat. 59. L. transv. 4/7. 
Colour of specimen from Zanzibar in life. — Upper part of body brownish red, 
variegated with darker and lighter. Two longitudinal series of blue spots more or less 
Q 2 
