386 Messrs. Playfair and Letourneux on the 



IV. Ichthyology. 



1. Gohius rhodopterus. 



Gohius reticulatus, Cuv. & Val. xii. p. 50 ; M'Cov in Ann. & Ma^'. Xat. 



Hist. 1841, vol. vi. p. 403 (not Eichv:.). 

 rhoclo2iteriis, Giiuth. Fish, iii. p. 10. 



D. 6 I 9-10 ; A. 9-10 ; L. lat. ca. 38. 



Snout ratlier rounded, with tlie lower jaw longer than the 

 upper ; head longer and broader than high ; eyes close together 

 on the top of the head ; sides of head naked ; teeth of the 

 outer series enlarged ; no canines. Height of body fi-om 6 to 

 7 times and length of head 4^ times in the total length. Scales 

 in about nine longitudinal series ; those of the anterior part 

 of the body are imbedded in the skin, those on the tail are 

 much the largest ; and the nape is naked. Dorsal fins rather 

 close together, and lower than the body ,• none of the rays of 

 the pectoral silk-like ; ventrals extend nearly as far as the 

 vent J caudal rounded. Coloration : brownish olive, irregu- 

 larly spotted and reticulated with darker, and with an inter- 

 rupted brown longitudinal band ; first dorsal with a ' large 

 black spot posteriorly ; second dorsal and caudal with minute 

 brown spots arranged in lines parallel to their bases ; anal 

 immaculate. 



Length 1'8 inch. 



Hah. The Seybouse, and Oued-el-Cherif, near Guelma. 

 Mediterranean, Did)lin Bay. 



2. Oohius paganellus, L. 



Hah. The Seybouse near Guelma and the rivers of Eastern 

 Kabylia. Mediterranean and coasts of Great Britain. 



3. BlenniiLS vidgaris. Poll. 



Hah. Oued-el-IIarach and rivers of Eastern Kabylia. .lA^- 

 diterranean, lakes of Italy. 



4. Cristiceps argentatus. 



Blennius argentatus, Uisso, Ichtli. Nice, p. 140. 



AmUfrvdi, idem, p. 130. 



CUniuf an/i'ntaf>is, Ivisso, Eur. Mt^rid. iii. p. 238. 



testu(li)iarii(s, idem, p. 239. 



r/r<?.sc<v(,s, idem, p. 239. 



Andifrcdi, idem, p. 240. 



mutul)iUsy Cocco, Gioru. Sc. Lett, ed Arti Sicil., April 1833, xlii. p. 9, 



t. 42. f. 2. 



ari/ottatus, Cut. & ^'al. xi. p. 3-')4; Guioh. Expl. Se. Alg. Poiss. p. 74. 



Cristiceps arr/eiifatus, Giintli. Fisli. iii. p. 272. 



Perh;i])s tlio most iutorostinir discovorv that lias vet been 



