404 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



finely serrate ; 5 or G rows of scales on cheek. Fins high ; ventral spine 

 reaching beyond the vent. Mandible about half the length of the head. 

 Color green, with scries of dark-brown spots on sides, below lateral line, 

 forming interrupted longitudinal lines; belly yellowish; a dusky oper- 

 cular spot: lins-. with reddish or brownish markings: the dark colors 

 on vertical fins forming reticulations around paler spots; conspicuous 

 dccllated black spot usually present on last rays of dorsal fin, especially 

 distinct in the young, disappearing with age. Head 3; depth 2. D. 

 XI or XII, 12; A. VII or VIII, 15; scales 5-44-14. L. 6 inches. 

 North Carolina to South Illinois and southward; abundant in lowland 

 streams. 



(Labriix macroptcriis Lac^pc-de, Hist. Nat. Poiss. iii, 447, 1802; Jordan, Hull. U. S. 



N:it. Mus. x. :?(>: Laln-nx irldcnn Lacoprde, Hist. Nat. Poiss. iv, 716, 1802: Centi-archii* 



irideus Holbr. Ichth. S. C. 18(50, 18: Centrarchitti iridcus Giinther, i, 2">7: Ci-nlrun-liiix 

 irhlnt* Jordan, Bull. U. S. Nat. Mus. x, 30.) 







243. POjJIOXYS Rafinesque. 



Grapples. 



(Pomoxin Ralinesque, Journ. Aead. Nat. Sci. Phila. i, 417, 1818: type Pomoxis annular'w 

 Hal'. ) 



Body more or less elongate, strongly compressed, the snout projecting. 

 .Mouth large, oblique ; maxillary broad, with a well-developed supple- 

 mental bone. Teeth on vomer and palatines; few or none on tongue. 

 Lower pharyngeals narrow, with sharp teeth. Gill rakers long and 

 slender, numerous. Opercle emarginate; preopercle slightly dentate. 

 Scales large, moderately ctenoid. Fins large, the anal larger than the 

 dorsal, of spines and about 17 rays ; dorsal with G-S graduated spines, 

 the spinous dorsal shorter than the soft part; caudal fin emarginate. 

 IJranchiostegals 7. (-ib />.;*, opercle ; <<u<r, sharp; the opercle ending in 

 two Hat points instead of an u ear-Hap.") 



a. Dorsal spim's <>. ( I'omoxyx.) 



724. I*. :mi9iil:i:'is Rat'. Ovn>;iY ; l'i< 7i. />r ; .\Vir I.'njlit : ('amplxJlitr. 



I'.ody elongate. Head long, the .profile, more or less strongly S -shaped, 

 owing to the projecting snout, depressed occipital region, and very 

 prominent thickened ante dorsal area. Mouth very wide, the maxillary 

 reaching past the pupil. Scales on cheeks in !-." rows. Eye large, 4 

 in head. Color silvery olive, mottled with dark green, the dark marks 

 ehielly on the up;ier part of the body and having a tendency to form 

 narrow vertical bars; dor>al and caudal fins marked with green; anal 

 tin pale, nearly plain. Fins very high, but lower than in /'. xjinroides. 

 Head 3; depth 2J. D. VI, 15 ; A. VI, 18; Lat. 1. 3G-48. L. 12 inches. 



