l8o GILBERT 



Z. 7i7ichipi7inis and L. xanti do not appear to differ in dentition. 

 In six specimens o£ L. xanti from Mazatlan, Mexico, five have the 

 palatine teeth in tv^^o distinct series, as in the Canary Island specimens 

 of L. nuchipin7iis ; in the sixth no palatine teeth were present. In 

 the specimens of L. xajiti examined, the vomer contained a single 

 series in all but one individual, where a few teeth were present be- 

 hind the outer row. The middle vomerine teeth are usually the 

 largest. 



L. xanti seems, however, to be sufficiently distinguished by its 

 slightly more elongate form, and by one constant difference in colora- 

 tion. The conspicuous round, black, opercular spot, universally 

 present in L. luicJiipinnis^ is never developed in L. xanti. Our 

 specimens of L. 7iuchipinnis from Brazil and elsewhere, show that 

 this spot is normally suiTounded by a white border, though this is 

 sometimes wholly lacking. 



BRANNERELLA new genus (^Blenniidce'). 



Type, Bran7icrella brasilie7isis new species. 



Closely allied to Starksia Jordan and Evermann,^ differing only in 

 the elongate detached first anal spine and in the absence of any well- 

 defined notch behind the third dorsal spine. 



8i. Brannerella brasiliensis new species. 



Type, a specimen 31 mm. long, from the coral reef near Maceio. 



D. XVIII, III, 7; A. I-I, 16. Lat. 1, 37 or 39. Form and 

 general appearance much as in Aiic/ie7iopte7'zcs, but the head is larger 

 than is usual in that genus. 



The mouth is large and very slightly oblique, the maxillary reaching 

 to the vertical from the posterior margin of the orbit. The jaws are 

 equal, the lips arc thickened, the upper jaw is protractile. The pre- 

 maxillaries have an outer close-set series of cardiform teeth and an 

 inner band of villiform teeth. The teeth on the mandible are similar, 

 but those on the outer series are slightly coarser and more conical. A 

 single series of small conical teeth on the vomer and the front of the 

 palatine. 



Interorbital space ver}' narrow, concave. The posterior nostrils are 

 each in a short tube, which bears a slender cirrus. A similar cirrus 

 on the upper posterior part of the eye, and one on each side of the 

 median line of tlie nape. No nuchal fringe of filaments. The series 

 of pores on tlic head arc well developed. The branchiostegal rays are 



'Fishes of North and Middle America, p. 2365, 



