1906.] 



NATURAL SCIENCES OF PHILADELPHIA. 



89 



speckled with golden-brown or coppery in the males. Lines of a 

 similar shade on side of head, one across chin, one on preorbital, 

 another from corner of mouth to lower rim of eye, and two others 

 below and parallel up over opercle. Iris golden-brownish. Side of 

 body with indistinct traces of several pale slaty vertical streaks. 

 Lower fins very pale brownish-golden. Ventral and anal with a more 

 or less regular series of golden spots, less distinct on latter. Females 



Fig. 5. Cijprinodon mydrus Goode and Bean. 



were paler and had no spots on dorsal and caudal, and those on body 

 more yellowish. In spirits young examples show large blotches of 

 grayish on side and lack brilliant colors of the adults noted above. 

 They were more or less milky-white in life. 



This species is very abundant in pools and shallows of the Keys. 

 They were met with in great numbers all about the Marquesas, and in 

 the pools on Boca Chica Key. Young were abundant in the tide- 

 pools on West Cud joe's Key. Great numbers were also found about 

 Big Pine Key. 



Cyprinodon carpio Giinther ^ may be identical, but the indefinite 

 locality "America" admits a doubt. The figure given by Drs. Jordan 



2 Cat. Fish. Brit. Mus., VI, 1866, p. 306. 



