ADDENDA ET CORRIGENDA. 551 



Page 51. Insert instead of Gobius marmoratus : — 

 98. Gobius ratan. 



Nordm. in Demid. Voy. Muss. 3Ierid. iii. p. 416, Poiss. pi. 11. fig. 2; 

 Kessler, Bull. Soc. Nat. 3Iosc. 1859, 2. p. 239. 



D. 6 I 17 (18). A. 14-15, L. lat. 55-58. 



The height of the body is one-fifth of the total length, the length 

 of the head one-fourth ; the diameter of the eye is two-ninths of 

 the length of the head ; eyes close together ; cleft of the mouth 

 extending to below the anterior margin of the eye; lips thin 

 and narrow; the upper half of the operculum scaly. The soft 

 dorsal is highest behind the middle ; the ventral does not extend 

 on to the vent, which is one-foui'th nearer to the end of the 

 snout than to that of the caudal fin. Brownish-black, irregularly 

 spotted with lighter ; the fii'st dorsal yellow at the top, the second 

 with black bands. 



Shores of Odessa. Bug. 



Page 51. Add another species : — 



98 a. Gobius syrman. 



Nordm. in Demid. Voy. Russ. Merid. iii. p. 419. pi. 12. fig. 1 (in- 

 correct) ; Kessler, Bull. Soc. Nat. Mosc. 1859, 2. p. 238. 



D. 6 I 19-20. A. 15-16. L. lat. 61-65. 



The height of the body is one-fifth of the total length, the length 

 of the head one-fourth ; head a little broader than high ; cleft of the 

 mouth extending nearly to below the anterior margin of the eye ; 

 lips fleshy, broad ; the diameter of the eye is nearly one-fifth of the 

 length of the head ; the upper third of the operculum scaly ; anus a 

 little nearer to the end of the snout than to the end of the caudal ; 

 eleven or twelve longitudinal series of scales on the posterior portion 

 of the taU. Yellowish-brown, irregularly brown-spotted ; fins black- 

 ish, uniform or with more or less distinct spots. (Kessl.) 



Odessa. Krym. 



Page 51. Gobius batrachocephalus. 



Add to the synonymy : — 



Rathke, Fauna der Krym, p. 323 ; Kessler, Bull. Soc. Nat. Mosc. 1859, 

 2. p. 232. 



The crown of the head is scaleless. 



Page 52. Add another species : — 



100 a. Gobius fluviatiUs. 



Gobius fluviatilis, Pallas, Zooyr. iii. p. 1G2 ; Nordm. in Demid. Voy. 

 Puss. Merid. iii. p. 429 ; Steindachner, Sitzunysher. Wien. Acad. xlii. 



