152 peecidj:. 



spicuously in length. All are strong, with a deeply notched mem- 

 brane between, and each with a membranaceous appendage beliind at 

 the tip. The iirst ra;y is one-fom-th longer than the last spine ; the 

 rays become gradnally longer towards the midtUe of the fin, and again 

 shorter towards behind. The caudalis has a moderately rounded 

 posterior margin. The analis commences a little behind the com- 

 mencement of the soft dorsal ; the third spine is rather longer, btit 

 not qnite so strong as the second ; the inferior margin is slightly 

 convex, the last two rays being shorter; the distance of the anus 

 from the anal fin is nearly equal to the length of the second anal 

 spine. The pectoralis is rounded, composed of 18 rays, and reaches 

 as far as the ventral — that is, not even to the anus. The ventraUs 

 has also a convex margin, the second ray being longest ; the spine is 

 rather slender, and extends beyond the half of the fin. 



The canine teeth are not very developed, but those of the villiform 

 band are relatively strong, as well as those of the vomer and pala- 

 tine bones. 



The whole fish, except the fins and belly, is covered with more 

 or less regular, large hexagonal spots of brown colom-, separated 

 from each other by straight white lines ; five or six of these spots 

 along the base of the dorsal and the back of tlie tail are larger and 

 of a deeper colour. AU the fins exhibit rounded, scattered, large 

 brown spots, and a narrow yellowish-white edge : even the membra- 

 naceous appendages of the sjjines are of the latter colour. There 

 are a few brown spots only on the belly ; the ventrals have a darker 

 hue ; there are inchstinct spots on the gUl-mcmbrane. 



Length of the specimen 8 inches. 



121. Serranus labriformis. 



Jciii/iis, Zoo!, of the Bcac/Ie, FisJws, p. 8. pi. 3. 

 D. ii. A. -^. 



17 8 



External appearance labroid ; scales beneath the lateral line 

 ciliated, above and on the belly smooth. Caudalis with a rather 

 convex posterior margin. Length of the head one-third of the total ; 

 diameter of the eye not quite one-sixth of the length of the head, 

 about equalhng the distance between them. Pra^operculiim -with 

 obsolete denticulations ; the fomlh dorsal spine a little the longest. 

 Brown, variegated with greyish, black, and white ; the vertical fins 

 with a redchsh edge. (Jen.) 



Chatham Island (Gakpagos Ai'chipclago). 



T). With eighteen or nineteen rays. _ 

 122. Serranus altivelis. 



Cm: cS- Val. u. p. .",24. pi. 25; Richards. Ichfh. Chuia, t^.2?j0; Bkcker, 

 Perc. p. 33; Caiifor, Oital. p. 10. 



CaudaUs rounded, dorsal and anal fins much elevated ; upper profile 



