CYPKINODONTID^E. C. 263 



3. FUNDULUS, Lacepede. KILLIFISHES. 



1. F. diaphanus, (Les.) Ag. BARRED KILLIFISH. 

 SPRING MUMMICHOG. Sides silvery olive, with twelve 

 to fifteen distinct, narrow, blackish, vertical bars; head 

 rather narrow; D. 13; A. 13; lat. 1. 42. Coastwise, 

 abundant, but ascending streams to their sources, hence 

 found in clear springs as far inland as Mich. (Cope), 

 Wisconsin (Copeland), Illinois, Colorado (Yarrow), 

 etc. [F. multifaxi-i'itus, (Les.) Val.] 



2. F. menona, Jordan & Copeland. Similar but larger, 

 and the vertical bars bluish white on a darker ground. 

 D. 12; A. 10; lat. 1. 48. Rock River, Wis. 



3. F. heterocliius, (L.) Gthr. A common species of 

 the coast, ascending streams; D. 11; A. 11; lat. 1. 35. 



4. F. n/grofasc/atus,(LeS.)C.&V. D. 10; A. 9; lat. 

 1. 33; males with numerous silvery cross bars; females 

 with black ones. With the preceding. 



4. XENISMA, Jordan. STUD FISHES. 

 1. X. catenata, (Storer) Jordan. STUD FISH. MAY 

 FISH. Pale steel blue, sides with series of bright bronze 

 spots, forming very distinct longitudinal streaks; head with 

 bright green stripes; $ dull; throat and bars on dorsal and 

 anal bright orange; D. 14; .A. 15; lat. 1. 47; length 6 

 inches. Tenn. R.; one of the handsomest of the family. 

 (JT. stellifera, Jor., from Alabama River, with the spots 

 not in rows, is a still more brilliantly colored species.) 



5. ZYGONECTES, Agassiz. TOP Mixxows. 



< ffaplochilus, Giinther. 

 * Body elongate, rather slender. (Zygonectes.) 



