1 . GOBIUS. 15 



one-fourth of the total. Venti'al veiy short and subcircular. CJrey, 

 indistinctly marbled with brown. ( Val.) 

 Nfcw Ireland (Carteret Harbour). 



17. Gobius lineatus. 

 Jenyns, Zool. Beagle, Fishes, p. 95. pi. 19. f. 2. 

 D. 6 U. A. |. L. lat. 37. 



Scales in eleven longitudinal scries. The heigbt of tlie body is 

 contained five times and a half in the total length, the lengtli of the 

 head four times and a half ; th(! head is nearly as broad as long; 

 eyes Avith a diameter nearly one-fourth that of the head ; the inter- 

 orbital space scarcely more than half a diameter in breadth. Teetli 

 of the outer series enlarged ; canine teeth none. The upper ])cctoral 

 rays are silk-like ; ventrals a little shorter than the pectorals ; dorsal 

 fins lower than the body ; caudal rounded. Sides of the head naked, 

 with stripes of minute warts. Dusky grey, with about ten rather 

 indistinct longitudinal dark lines. Fins dusky, with very faint irre- 

 gular whitish spots. A dark spot on the upper half of the eve. (Jen.) 



Chatham Island. 



*• Head longer than broad. 

 t Prseoperculum with two tooth-like prominences. 



18. Gobius oplopomus. 

 Ctiv. ^ Val. xii. p. GO. 



D. 611. A.-i. 



I 9 9 



The height of the body equals the length of the head, and is con- 

 tained four times and a fourth in the total. Canine teeth none. 

 Prseoperculum mth two tooth-like prominences at the angle. The 

 first dorsal is higher than the body, whilst the second and the anal 

 equal it in height ; caudal ti-uncated. Scales large. Greenish above ; 

 a series of black spots along the middle of the side. 151ue ocellated 

 spots on the cheeks, opercles, and on the back ; dorsal fins with 

 purplish spots on their lower half ; the basal half of the caudal dotted 

 with black ; a blue longitudinal band along the middle of the anal 

 fin; ventral blackish towards the extremity. (Val.) 



Massuah (Red Sea). 



tt Prseoperculum not armed. 

 § Anterior dorsal with six spines. 



19. Gobius martensii. 



Gobius fiuviatilis, (BotielU ?) Cui\ i!)- Val. xii. p. 52 ; Cur. Itk/nc 

 Anim. III. Poiss. pi. 80. f. 2 ; Martens in Wieym. Arch, xxiii. p. 17(>. 

 tab. 9. f. 4, 5 ; Heck, i^ Kner, Siisswasserf. p. 57 (not Pall.). 



D. 6 I -1. A. |. L. lat. 40. 



The height of the body is not quite one-sixth of the total length 

 (without caudal fin), the length of the head one-fourth. The head 



