KEY TO THE SPECIES OF EUPOMOTIS. 



a. Pectoral fin short, not longer than the head, its tips not 

 reaching past anal spines. (Xystroplites.) 



b. Mouth large, maxillary reaching to or to nearly vertical from 

 front of pupil; supplemental maxillary present; gill rakers hard 

 and of moderate length. 



c. Dorsal spines moderate, longest (5th) equals length of 

 snout and half of the diameter of orbit, depth, 2^; body with 8 

 or 9 dusky bars. pallidus. 



cc. Dorsal spines shorter, longest (5th) equals length of snout 

 and less than third of the orbit; depth, 2; body without dusky 

 bars; cheeks with blue stripes; pectorals 1 1 in head, euryorus. 



bb. Mouth smaller, maxillary scarcely reaching vertical from 

 front of orbit; supplementary maxillary absent or reduced to a 

 slight rudiment; gill rakers very short and soft. {Eupomotis^ 



d. Pectoral fin slender, nearly as long as head; its tip reach- 

 ing to but not past anal spines, scales on the cheeks in 4 or 5 

 rows. holbrooki. 



dd. Pectoral fin obtuse, decidedly shorter than the head, tips 

 not or scarcely reaching first anal spine; scales on cheeks in 4 or 

 5 rows; depth, 2 to 2^. gibbosus. 



aa. Pectoral fins long, slender and pointed, longer than the 

 head; tips reaching to or past middle of anal fin. 



e. Gill rakers long, their ends obtuse; scales 7-44-15. 



longimanus. 

 ee. Gill rakers short as in gibbosus; scales 7-39-14. heros. 



Eupomotis pallidus (Agassiz). 



Pomotis pallidus, Agassiz, Amer. Jour. Sci. Arts, 1854, 303 

 Tennessee River, Huntsville, Alabama. 



Eupomotis pallidus, Jordan & Evermann, Bull. 47, 1896, 1006. 



Lepomis lirus, McKay, Proc. U. S. Nat. Museum, 1881, 89 

 (after Pomotis pallidus Ag.). 



Xystroplites gilli, Jordan, Bull. X, U. S. Nat. Mus., 1877, 24, 

 Garden Key, Florida? 



Bryttus albulus, Girard, has been regarded by Dr. Jordan, Dr. 

 Evermann, Mr. Bollman and Mr. McKay as belonging to the 

 genus Eupomotis. In their work on Fishes of North and Middle 



ii 



