290 GOBIAD.E. 



ACAKTHOPTERYG1I. COHMD/E. 



THE SLENDER GOBY. 



Gobius gracilis, Slender Goby, JENYNS, Brit. Vert. p. 387. 



,, ,, ,, ,, PARNELL, Wern. Mem. vol. vii. p. 245. 



I HAVE been favoured by the Rev. L. Jenyns with the 

 following particulars of a fourth species of Goby. 



" Dorsals remote, the second with the posterior rays 

 longest : eyes closely approximating: length three inches two 

 lines. " 



" Form closely resembling that of G. minutus, but more 

 elongated and slender throughout ; greatest depth barely 

 one-seventh of the whole length ; snout rather longer ; oper- 

 cle approaching more to triangular, the lower angle being 

 more cut away, and the ascending margin more oblique; 

 a larger space between it and the pectorals ; the two dorsals 

 further asunder : rays of the second dorsal longer ; these rays 

 also gradually increasing in length, instead of decreasing, as 

 in minutus, the posterior ones being the longest in the fin, 

 and rather more than equalling the whole depth : rays of the 

 anal fin in like manner longer than in G. minutus. The 

 fin -rays are 



D. 6. 12 : P. 21 : V. 12 : A. 12 : C. 13. 



In all other respects similar." 



