1906.] NATURAL SCIENCES OF PHILADELPHIA. 87 



of head with gill-opening showing through dark. Head otherwise 

 bright silvery. Iris silvery. A broad brownish band overlaid with 

 silvery and nearly as wide as pupil extends from above gill-opening 

 to middle of base of caudal. It is broader in middle than at either end. 

 A series of brownish spots along base of anal. Dorsal and caudal 

 pale grayish marked with numerous pale brownish dots, other fins 

 whitish. 



Color in life with body more or less silvered and back above with a 

 translucent appearance. 



Length 2f inches. 



Type No. 30,613, A. N. S. P. Hailer's Rock, Florida Keys. June, 

 1904. H. W. Fowler. Also Nos. 30,614 to 30,620, A. N. S. P., 

 paratypes with same data. 



Found only at the above locality in company with A. hrownii. 

 Only these few were secured among the multitudes of the latter. 

 From A. chcerostoma (Goode), with which this form may prove iden- 

 tical, it appears at present to differ a little, upon comparison with 

 Porto Rican material, in the more elongate form, larger eye and head, 

 and more blunt or rounded snout. Young examples have a smaller 

 eye, nearly 4 in head. 



(Cayo, in Spanish meaning a ridge of small rocks or islands in the 

 sea, like those off southern Florida.) 



SYNODONTID^. 



22. Synodus foetens (Liniifeus). Lizard Fish. 



Color in life clear pale brownish above with about 10 wampum-like 

 blotches of darker brown. In some examples this produces a pepper 

 and salt appearance. A slightly dark double series of blackish dots 

 across each blotch on back. On side just below back a series of zig- 

 zag W-shaped markings also of same darker color. Same color ac- 

 cents end of each blotch in form of a trifle darker speck. A somewhat 

 diamond-like blotch or ring between each median lateral marking and 

 somewhat connected. Another blotch alternately below each of 

 these, and still lower more paler tints of diffuse markings. A deep 

 brown blotch at base of tail and another of pale brown at base of each 

 lobe. Head brownish above, and variegated with deeper spots and 

 more or less olivaceous-golden on sides above. Jaws and mandible 

 variegated with olivaceous-brown. Iris golden-olive, in some lights 

 pm-e golden, pupil dark green. Region of isthmus dull citron. Tints 

 of colors on sides all more or less golden. Dorsal and caudal variegated 



