254 PROCEEDINGS OF THE ACADEMY OF [June, 



below this a whitish streak. Iris warm brownish. Length 7| inches. 

 Type. 



I retain Serrcuius mentzelii Valenciennes for this fish, as I have not 

 compared any examples of corresponding size of Lahrus guaza Linnaeus. 

 Cope states the length of his type as 8 inches. 



Serranus labriformis Jenyns. 



Epinephelus ordinatus Cope, Trans. Amer. Philos. Soc. Pliila., (2) XIV, 

 1871, p. 466. Type, No. 13,457, A. N. S. P. Panama. Dr. W. S. W. 

 Ruschenberger. 



Head 2\; depth Sy^; scales about 100? (squamation injured) counted 

 along lateral line to base of caudal, and about 10 more somewhat 

 enlarged on latter; about 46 pores in lateral line to base of caudal; 

 about 12 scales in a vertical series between origin of rayed dorsal and 

 lateral line; 33 scales in a vertical series between origin of spinous 

 anal and lateral line; width of head 2f in its length; third dorsal spine 

 3f ; sixth dorsal ray 2\; second anal spine 3; third anal ray 2; least 

 depth of caudal peduncle 3f; caudal If; pectoral If; ventral 2^; 

 snout 5 in head measured from tip of upper jaw; eye 4^; maxillary 2A; 

 interorbital space 9§. Body elongate. Head compressed. Length 

 of snout about 1^ in its width. Eye a little longer than deep and 

 placed about first third in its length. Mandil)le protruding a little 

 in front. Maxillary reaching a trifle behind posterior margin of eye, 

 with narrow supplemental bone, and its distal expansion half of eye 

 horizontally. Narrow bands of teeth in jaws, inner in front of upper 

 a little elongate and depressible. An inner series of rather enlarged 

 depressible mandibular teeth, and at first teeth irregularly triserial and 

 then becoming biserial on posterior portions of rami. Canines small, 

 ^,, a little curved. Small vomerine and palatine teeth. Tongue 

 slender, smooth and free. Nostrils close. Lower preopercular margin 

 entire. Interorbital space narrow, flat, and slightly depressed in 

 front. Median opercular spine most posterior, uppermost anterior, 

 and median about midway between upper and lower. Gill-rakers 

 VI, 2 + 11, VI, larger than filaments and about 2^ in eye. Scales 

 finely ctenoid, and about 24 series on cheek. Maxillary naked. Tubes 

 in lateral line simple. Spinous dorsal inserted nearly midway between 

 tip of mandible and origin of rayed dorsal, and spines graduated down 

 from third and fourth, which are subequally longest. Rayed dorsal 

 inserted a little nearer base of caudal than origin of spinous fin, rounded. 

 Spinous anal inserted nearer origin of pectoral than base of caudal, 

 second spine longest, and third subequal. Color in alcohol dull pale 

 l^rown, head and trunk blotched ^^•ith a number of scattered or grayish- 



