PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 361 



hh. Nostrils well separated ; no yellowish spots. 

 i. (Caudal peduncle with a black spot on each side ; body dark brown, 

 the lower half abruptly paler ; young specimens ; the scales 



undescribed. ) Dimidiata, 6. 



ii. Caudal peduncle without black spot. 

 j. Scales very small (about 140); cheeks without distinct dueky 

 stripes ; commissure without yellow ; caudal distinctly lunate ; 

 giU-rakers few, about 12 on lower part of anterior arch. 



MiCROLEPIS, 7. 



jj. Scales moderate (about 100); cheeks with radiating dusky stripes ; 

 caudal subtruncate, the angles slightly produced ; gill-rakers in 

 increased number about .30 on lower jjart of arch.SciKENGA, 8. 

 gg. Angle of preopercle not salient, its teeth scarcely enlarged j 

 gill-rakers rather few. 

 k. Gill-rakers rather slender, about 10 developed on lower part 

 of anterior arch, besides several rudiments; caudal subtrun- 

 cate ; posterior nostril small ; scales not very small (about 110) ; 

 sides of head and body with rivulations of dark bluish around 

 roundish dark bronze spots, large or small (these markings 

 subject to considerable variation, fading in spirits) ; sides with 



darker quadr.ate areas Bonaci, 9. 



kk. Gill-rakers very few, short and thick, about 6 developed 

 on lower part of anterior arch, besides about three rudiments ; 

 caudal lunate ; posterior nostril large ; canines strong ; scales 

 rather small (about 125) ; head with very distinct reticulations 

 of darker olive surrounding rather large (yellowish?) spots; 



body more faintly reticulate Keticulata, 10. 



ee. General color pale, bright red, or grayish, with roundish spots or blotches 

 of black or red darker than the ground color; the blacker 

 blotches along middle of sides much larger and quadrate in 

 the young; red always present somewhere in life (fading in 

 spirits) ; pectorals blackish, in the adult, broadly tipped with 

 orange yellow ; preopercle without salient angle ; scales rather 

 small (about 125); caudal lunate; gill-rakers very few and 



short (about 8 below angle) Venexosa, 13. 



aa. Second dorsal spine highest, its length nearly one-third that of head ; caudal 



slightly lunate ; canine teeth feeble ; angle of preopercle a little 

 salient ; anal fin low ; (maxillary scaleless ? ); color brown, 

 mottled Olfax, 14. 



1. Mycteroperca rosacea. 



EpinepheVas rosaceus, Streets, Bull. U. S. Nat. Mus., vii, 1877, 51. (Angel 



Island; Gulf of California.) 

 Trisotropis rosaceus, Jordan & Gilbert, Bull. U. S. Fish Comm., 1882, 107. 



(Mazatlan.) 



Rahitat. — Gulf of California. 



Head, 24 (3^); depth, 2^ {^). D. XI, 18; A. Ill, IJ. Scales, 25- 

 ca 130-x. Length (28131, Mazatlan), 38 inches. 



Body rather elongate, compressed; head large, compressed, pointed 

 anteriorl}', the anterior profile nearly straight or slightly convex ; snout 

 rather long and sharp, 3^ in head. Mouth large, the maxillary reach- 

 ing to opposite posterior margin of eye, its length 2 in head. Teeth in 

 moderate bands; canines of moderate size, nearly vertical, the lower 



