286 GOBIAD.E. 



of William Thompson, Esq. who considered it distinct, and 

 had publicly noticed the differences existing between it and 

 the two Gobies that have hitherto been considered as our 

 only indigenous species ; I have also received it from Holy- 

 head and Cornwall : I have taken it myself on the coast of 

 Dorsetshire, and have had specimens sent me from Berwick 

 Bay by the kindness of Dr. Johnson. Dr. Parnell has met 

 with it in the Firth of Forth, where it frequents rocky situa- 

 tions, living among fuci, and is not found reposing on the 

 sandy bottoms like most of the other species. Mr. Thomp- 

 son has ascertained that this Goby is found on the south-west 

 coast of Scotland. 



The length of the specimen now described was two inches 

 and one-eighth ; the upper part of the head and nape flat- 

 tened ; the eyes large, placed laterally ; the mouth large, 

 the line of the gape slanting obliquely upwards, the angle 

 depressed, the lower jaw much the longest when the mouth 

 is opened ; both jaws furnished with numerous slender, sharp 

 teeth, curving inwards. 



The numbers of the fin-rays are as follow 



D. 7. 12 : P. 15 : V. 12 : A. 12 : C. 11. 



The first dorsal fin commences a little in advance, on a 

 vertical line, of a conspicuous dark spot on the side just 

 behind the origin of the pectoral fin ; the second dorsal fin 

 commences in a line over the vent : all the rays of both 

 dorsal fins are slender and flexible. The pectoral fin large, 

 and when spread covers, but from the transparency of the fin- 

 membrane does not entirely conceal, the dark spot on the side 

 before referred to ; the ventral fins, arising a little behind the 

 origin of the pectorals, are united, the longest rays extending 

 considerably beyond those of the pectoral fins. The vent 

 and its tubercle are in a line under the commencement of 

 the second dorsal fin ; the rays of the anal fin possess the 



