180 



MOSQUITO ERADICATION 



are olivaceous with pale fins and with sides marked with 15 

 to 20 dark, vertical bands. The males are a pale, olive color, 

 and have about the same number of white vertical bands on 

 their sides. 



While this killifish is more or less similar to those previously 

 described in its other habits, it sticks more closely to fresh water 

 than do they, and indeed is rarely found in salt or brackish water. 





s J fyf K< *3 P £* 5? / V~ « I feSfi 



P^*« 



'sags 



Fig. 124. — Cyprinodon variegatus, male. {From U. S. Bureau of Fisheries.) 



Fig. 125. — Cyprinodon variegatus, young. (From U. S. Bureau of Fisheries.) 



THE VARIEGATED MINNOW (Cyprinodon variegatus) 



This minnow, which occurs on the Atlantic Coast from Cape 

 Cod to the Rio Grande, ascending streams and inhabiting 

 brackish waters, is believed to be of some value in anti-mosquito 

 work, although it subsists mainly upon vegetable matter. 



The variegated minnow, also known as the sheeps-head minnow, 



