3190 
Bulletin / 7 , United States N'ational Museu^n 
the large specimeu just described, except that the crossbars on liody are 
more distinct. 
This species most closely resemldes M. himaculatus Steindachner, from 
which it dift’ers in the larger head, greater depth, smaller mouth, nar- 
rower interorbital, and in the color. The tips of the anal rays are not 
white, the soft dorsal is spotted like the caudal and anal, and there are 
no white spots on base of pectoral, as is said to be the case in M. 
himaculatus. 
Puerto Pico; known from the 7 specimens mentioned above, all ob- 
tained by the U. S. Fish Commission expedition to Puerto Kico. 
Malacoctenus puertoricengis. Evermanx Marsh, Kept. U. S.Fisli Com. 1899 (Dec. 19 
1899), 358, Hucares, P. R. (Type, No. 49371, U.S.K.M. Coll. Evermaun & ilarah.) 
Page 2369 . Before Auclienopierus, Gunther, insert: 
878 (a). AUCHENISTIUS, Evermann *.V Marsh. 
Auehenigtius, Evermann Marsh, Kept. U. S. Fish Com. 1899 (Dec. 19, 1899), 359 (stahli). 
This genus has the form of Auchenopterus and suggests that genus 
strongly. It dift’ers in the absence of a lateral line, in the much smaller 
scales, in the absence of a notch at the front of the dorsal fin, and in the 
union of the membrane of the anal liii with that of the caudal. 
(avx^P'f nape; idziov, sail or tin.) 
2711 (a). AL’CHEXISTIl’S STAHLI, Evermann Marsh. 
Head 5; depth 6. .5; eye 4.8; snout 6; maxillary 2.8; scales about 58, 
about 12 in transverse series ; 1). XLi or xi.ii ; A.ii, 23or 24; pectoral 2.5; 
ventral 2.2; caudal 1.3. 
Body elongate, somewhat compre.ssed, especially posteriorly, the dorsal 
and ventral outlines alike ; head small, upper protile straight and descend- 
ing; snout moderate, pointed; mouth large, the maxillary reaching to or 
beyond middle of eye; the jaws equal, heavy and projecting; teeth in 
lower jaw conical, short and strong, slightly recurved, in one row; teeth 
in upper jaw similar to those iu lower, Imt a small patch of smaller teeth 
ill front of jaw behind the main row; teeth on vomer; gill-membranes 
joined to the isthmus; nostrils with short tubes, a .single ftap above each 
eye and one on each side of nape; dorsal iiu long, of spines only; last 
four spiues somewhat longer than the preceding, forming a shallow notch, 
a feature lacking in the other examples; anal origin about midway 
between tip of snout and tip of caudal, the fin similar to dorsal in shajie, 
but somewhat lower; membr.iue of dorsal and anal joined to caudal; 
caudal small, pointed; pectoral small, of 8 rays; ventral small, of 2 rays. 
Color in spirits; Body everywhere with a very slight yellowish tinge, 
in some specimens a fadedrgray; one specimen has traces of 10 or 12 dark 
crossbars; fins all pale, in one case with the dorsal and anal dark-edged. 
Puerto Rico; known from the type, a specimen 1.2 inches long, obtained 
bj’the U. S. Fish Commission expedition to I’uerti* Rico, February 1, 1899, 
at Ponce, and 13 cotypes, 8 from the coral and alga- on the reefs at the 
mouth of Culebra harbor, and 5 from Puerto Real. 
