1. GOBIUS. 15 



one-fourth of the total. Ventral very short and subcircular. Grey, 

 indistinctly marbled with brown. ( Val.) 

 New Ireland (Carteret Harbour). 



17. Gobius lineatus. 



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

 D. 6 I i-. A. |. L. lat. 37, 



Scales in eleven longitudinal series. The height of the body is 

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

 head four times and a half ; the head is nearly as broad as long ; 

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

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

 of the outer series enlarged ; canine teeth none. The upper pectoral 

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

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

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

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

 gular whitish spots. A dark spot on the upper half of the eye. {Jen.) 



Chatham Island. 



** Head longer than broad. 

 t Praeoperculum with two tooth-like prominences. 



18. Gobius oplopomus. 

 Cuv. Sf Val. xii. p. 66. 



I>-6|f A.I. 



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. 

 Praeoperculum with 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 truncated. Scales large. Greenish above ; 

 a series of black spots along the middle of the side. Blue 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 (Eed Sea). 



tt Prseoperculiun not armed. 

 § Anterior dorsal with six spines. 



19. Gobius martensii. 



Gobius fiuviatilis, {BonelU?) Cm: 8,- Val. xii. p. .52; Cur. Regne 

 Anim. HI. Poiss. pi. 80. f. 2 ; Martens in Wiegm. Arch, xxiii. p. 176. 

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



D. 6 I i-. 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 



