552 ADDENDA ET CORRIGENDA. 



1861, p. 288. taf. 1. fig. 3 ; Kessler, Beitr. Ichthyol. siidtcestl. Russl. 

 p. 7, and Nachtr. p. 7, and Bull. Soc. Nat. Mosc. 1859, 2. p. 247. 

 Gobiiis lacteus, Nordrn. I. c. p. 430. pi. 10. fig. 3. 



D. 6 I 16-18. A. 15-16. L. lat. 60-65. 



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

 of the head one-fifth ; head a Httle broader than high. The dia- 

 meter of the eye is contained five times and a half in the length of the 

 head, and more than the width of the interorbital space ; snout longer 

 than the eye, with the lower jaw longest, and with the maxUlaiy 

 extending to below the front margin of the eye. Nape of the neck 

 scaly ; there are twenty-six scales between the forehead and the 

 spinous dorsal. The spinous dorsal lower than the body ; anterior 

 dorsal rays longer than the posterior. Brownish, upper parts irre- 

 gularly spotted with darker ; dorsal and caudal fins with series of 

 brown dots ; a brown spot superiorly at the base of the pectoral. 



Rivers of Southern Eussia. Eiver Casoh near Brussa. 



This Goby, which we have placed among the doubtful species 

 (p. 4), has lately been fully described and figured by Steindachner 

 (who also refers G. sordklus, Benn., to its synonymy) and by Kessler ; 

 the latter distinguishes a dark-coloured variety with the dorsal fins 

 yellow- and with the caudal white-edged; and a light variety (G. 

 lacteus, Nordm.). 



Oohhis stevenii (p. 52) differs in having a wider mouth, the maxil- 

 lary extending to behind the midcUe of the orbit, and also in the 

 form of the soft dorsal fin, which has the posterior rays longest. 



Page 52. Gobins lacteus 



is a variety of O. fiiiviatilis, according to Kessler, BuU. Soc. Nat. Mosc. 

 1859, 2. p. 247. 



Page 52. Insert instead of Gobins lacteus : — 

 101. Gobius gymnotrachelus. 



Kessler, Nachtriiqe zur Ichthyol. cles sudicestl. Russl. p. 12, and Bull. 

 Soc. Nat. Mosc. 1859, 2. p. 233. 



D. 6 1 -^,. A. -^. L. lat. 60-70. 



I 10-1/ 13-14 



Head only a little broader than high ; crown of the head and nape 

 of the neck naked ; cleft of the mouth extending nearly to below the 

 anterior margin of the eye ; lower jaw not much prominent. Yel- 

 lowish-grey, with brown transverse bands obliquely descencUng for- 

 wards ; lateral line with blacldsh spots ; pectoral, dorsal, and caudal 

 fins -R-ith dark bands. (Kessler.) 



Dnjester, Dnjeper, and Bug. 



Page 52. Gobius platyrostris. 



We gave the diagnosis of this species from the account of Nord- 

 niann ; it appears, however, from the examination of Prof. Kessler, 



J 



