3o8 Field Museum of Natural History — Zoology, Vol. VII. 



Pomoxis annularis Rafinesque. Crappie. 



Head 2.8 to 2.9; depth 2.2 to 2.6; D. vi, 15; A. vi, 17 to 19; scales 

 43 to 48. 



Body much compressed, somewhat elongate; profile concave above 

 eyes; mouth large, maxillary reaching past middle of orbit, its length 2 . i 

 to 2.3 in head; eye 4.5 to 5.0; snout 3.2 to 4.2 ; origin of dorsal to tip 

 of snout 1.7 to 1.9 in body; pectorals 1.3 to 1.7 in head; lateral line 

 present. 



Color silvery mottled with dark-green above, becoming silvery 

 below; anal fin with few markings. 



Length 12 inches. 



This fish ranges from the Great Lake Region to New York, 

 Alabama, and Texas. 



Dead River, Beach, Illinois; Lagoon, Jackson Park, Chicago, 

 Illinois; Des Plaines River, Berw^yn, Illinois; Wolf Lake, Roby, 

 Indiana; Lagoon, Buffington, Indiana. 



Pomoxis sparoides (Lacepede). Calico Bass. 



Head 2.8 to 3.0; depth 2.1 to 2.4; D. vii or viii, 15; A. vi, 16 to 

 18; scales 38 to 44. 



Body much compressed, moderately elongate; profile concave above 

 eyes; mouth large, maxillary reaching middle of orbit, its length 



Fig. 60. Calico Bass. 



Pomoxis sparoides (Lac). (After Forbes and Richardson.) 



2.1 to 2.5 in head; eye 4.0 to 4.5; snout 3.7 to 4.3; origin of dorsal 

 from tip of snout 1.8 to 2.0 in body; pectorals 1.4 to 2.1 in head; 

 lateral line present. 



