436 REPORT OF XEW JERSEY STATE MUSEUM. 



upper Mississippi regions. ]\Ir. J. M. Stratton says that several 

 years ago two muskallunges were brought from Lake Erie and 

 placed in Greenwood Eake. At the time of their liberation in 

 Xew Jersey waters their weight was about 3 to 5 pounds. A few 

 years later 2 were caught, weighing from 16 to 18 pounds, and 

 as no others have been caught since it is reasonable to presume 

 that these were the 2 which were brought from Lake Erie, evi- 

 dently not propagating. 



Family CENTRARCHID^. 



The Sun Fishes. 



Several of the larger and more noted gamy species of this 

 family have been introduced with success. 



Key to the genera, 

 a. Cextrarchix-5;. Dorsal scarcely longer than anal, spines V to VIII. 



POMOXIS 



aa. Dorsal much longer than anal. 



h. Lepomix^. Body short and deep ; scales ctenoid ; caudal concave ; 



A. spines V to VIII ; lingual teeth in a single patch. ambloplites 



hh. AIiCROPTERix.i;. Body elongate, depth of adult 3 ; caudal lunate ; A. 



spines III ; lingual teeth obsolete. • micropterus 



Genus Pomoxis Rafinesque. 

 The Grapples, 



The fishes represented in this genus now known from our 

 limits form part of the sub-family Centrarehincu. They differ 

 from all our other sun fishes in having the dorsal fin scarcely 

 longer than the anal. 



Key to the species. 



a. Dorsal spines VI, rarely V; profile strongly sigmoid. axx^uearis 



aa. Dorsal spines VII, rarely VIII ; profile less sigmoid, sparoides 



