Crappie and Calico Bass 



c. Body comparatively short and deep, the depth usually more 



than | the length; dorsal fin not deeply emarginate. 



d. Tongue and pterygoids with teeth; mouth large, maxillary 



reaching past middle of eye. 



e. Scales cycloid; caudal convex; Acantharchus, 338 



ee. Scales ctenoid; caudal concave. 



f. Opercle emarginate behind; anal spines 5 to 8. 



g. Lingual teeth in a single patch; gillrakers about 10; 



Ambloplites, 338 



gg. Lingual teeth in 2 patches; gillrakers about 20; 



Archoplites, 341 

 ff. Opercle ending in a black convex process or flap; anal spines 



^ I Chatnobryttus, 342 



dd. Tongue and pterygoids toothless; mouth small, the maxillary 

 barely reaching past middle of eye. 



h. Supplemental maxillary bone perfectly distinct; Apomotis, 342 



hh. Supplemental maxillary bone rudimentary or wanting. 

 /. Lower pharyngeals narrow, the teeth usually sharp, not coni- 

 cal; Lepomis, 344 



ii. Lower pharyngeal bones broad and concave, especially in the 



adult; teeth more or less blunt or paved ;.. Eupomotis, 350 



cc. Body comparatively elongate, the depth in the adult about \ 



the length; dorsal fin low, deeply emarginate; 



Micropterus, 355 



GENUS POMOXIS RAFINESQUE 

 Crappie and Calico Bass 



Body rather short and greatly compressed; snout projecting; 

 mouth large, oblique; maxillary broad, with a well-developed sup- 

 plemental bone; gillrakers long and slender; opercle emarginate; 

 preopercle and preorbital finely serrate; scales large, feebly ctenoid; 

 fins large, the anal larger than dorsal; caudal emarginate; bran- 

 chiostegals 7; lateral line complete. 



a. Dorsal spines 6, rarely 5; anal fin plain; annularis, 334 



aa. Dorsal spines 7, rarely 8; anal fin strongly reticulated; 



sparoides, 335 



333 



