FISH. 95 
A second specimen slightly differs from the above, but is evidently referable to the same 
species. It is smaller; and the profile falls more gradually. The caudal has only eight 
branched rays, with two lateral simple ones, The pectorals have the tenth and eleventh rays 
longest, with the seven lowermost (instead of six) stouter than the others and simple. The fin- 
ray formula is also different. 
D. 6—19—13; A.25; C. 10, &e.: P. 17; V. 2. 
Length 2 inc. 1 line. 
The colours are paler, and more decidedly grey, with the darker motlings more distinct. 
The dorsals and caudal are pale, minutely dotted with brown. Tips of all the anal rays white. 
Habitat, Bay of Islands, New Zealand. 
This species approaches very closely the 7’. nigripenne of Cuvier and Valen- 
ciennes, of which it may possibly bea variety; but the description in the ‘“‘ Histoire 
des Poissons,” as regards the form, is limited to a very few words. If the figure 
given by those authors be correct, the 7. nigripenne differs decidedly in the first 
dorsal being more elevated, with the rays more unequal, and in the lateral line 
extending the whole length of the fish. In the present species the first dorsal is 
low and even, with the rays all equal, and the lateral line cannot be traced 
much beyond the pectoral; and these characters are found in both specimens. 
There are also six rays in the first dorsal. According to the description, the 
T. nigripenne has but five, though six are represented in the figure. 
From the 7”. variwn, this species differs not only in its fin-ray formula, but in 
its markings: and the same characters serve to separate it still more widely from 
T. Forstert and T. fenestratum. 
This species was obtained by Mr. Darwin on tidal rocks in the Bay of Islands, 
New Zealand. Three out of the only four extra-european species described by 
Cuvier and Valenciennes come from the same locality. 
Famity.—GOBID A. 
1. Gosrus LINEATUS. Jen. 
Pratt XIX. fig. 2. 
G. nigro-griseus, lineis circiter decem longitudinalibus nigris: capite lato, subdepresso ; 
genis inflatis: maxillis equalibus: dentibus velutinis, externis fortioribus aculeifor- 
mibus ; caninis nullis: oculis amplis, intervallo vix plus quam semidiametrum 
aequante: pinnis dorsalibus contiguis, altitudine subequalibus ; pectoralibus radiis 
supernis setacers, liberis ; caudali rotundatd: squamis mediocribus, levissimé ciliatis. 
B.5; D.6—1/9; A. 1/8; C. 13, &c.; P. 7 et 16; V. 1/5. 
Lone. une. 4. lin. 8. 
