I04 



VERTEBRATE ANIMALS OF THE UNITED STATES 



F. notatus (Rafinesque). Top minnow. Length 75 mm.; head 4; 

 depth 4.5 ; color brownish olive, with a broad dark band running from the 

 tip of the snout to the tail; back dotted; rays of dorsal fin 9; anal 11; 

 scales 34-11 : Michigan to Alabama and Texas; common. 



2. Lucania Girard. Body elliptical, compressed; lower jaw pro- 

 jecting and prominent, the mouth being short and oblique; each jaw 



Fig. 46. — Fundulus dispar: a, male; b, female (frotn Fishes of Illinois). 



with a single series of teeth; scales very large; dorsal fin above or in 

 advance of the anal: 4 species of very small fishes in the coastwise 

 swamps of the southern States. 



Key to the Species of Lucania 



El Rays of dorsal fin 6 or 7 L. ommata. 



a2 Rays of dorsal fin g to 12. 



bi A black lateral band present L. goodei. 



ho No such band. 



ci Along the Gulf coast L. vciiiisla. 



Co Along the Atlantic coast L. parva. 



L. ommata (Jordan). Length 20 mm.; head t,.^; depth 5; straw- 

 color, the male with 5 or 6 dark bars, the female with a jet-black spot 

 just in front of the anal fin and a larger spot at the upper part of the 

 base of the tail; rays of the dorsal fin 6 or 7; anal 9 or 10; scales 26 to 



