1906.] NATURAL SCIENCES OF PHILADELPHIA. 101 



distinct in young examples. Dorsal and caudal grayish, other fins 

 paler and translucent. Iris brownish with a brownish vertical bar. 



The Marquesas, Boca Chica, West Cudjoe's and Grassy Keys, and 

 Hailer's Rock. 



POMAOENTRID^. 



62. Pomacentrus leucostictus Miiller and Troschel. Cock Eye Pilot. 



Color in life with upper half of body anteriorly brilliant violet, this 

 color changing insensibly into yellow, and becoming intense orange- 

 yellow posteriorly as on "caudal and on caudal peduncle. Spinous 

 dorsal like back in front. Rayed dorsal yellowish like back posteriorly. 

 A black blue-edged ocellus at junction of dorsals basally. Lower 

 margin of anal olivaceous-yellow^, rest of fin like abdomen. Pectoral 

 and ventral orange. Three brilliant, or light, blue lines from eyes 

 and snout to occiput. Iris brown. 



Two small examples, a little less than an inch in length, were taken 

 in the tide-pools off Hailer's Rock. When in the water they are very 

 conspicuous on account of their brilliant coloration. They are not 

 especially active swimmers though shy, the smaller ones usually escap- 

 ing capture on account of their size. Found associated with Blennms 

 cristatus, Cyprinodon mydrus and Glyphisodon mauritii. 



63. Glyphisodon mauritii (Bloch). Sheepshead. 



Color in life, back shaded with lemon-yellow. Five distinct vertical 

 bars of deep plumbeous, edges of scales within each dusky-plmnbeous. 

 Lower siuface of body chalky-white. Fins brownish and transverse 

 bars extending on them. Scales on base of anal specked with dusky, 

 otherwise plumbeous-white. Base of pectoral above, blackish. Each 

 ray and spine of ventral pale dusky, axillary scale white. Head above 

 plumbeous with a deep golden shade. Side of head plumbeous. Iris 

 brown, front rim yellow. One example 4|- inches long from the Mar- 

 quesas shallows. 



A young example from Hailer's Rock was more greenish-yellow above 

 in life. Below slaty-plumbeous, becoming more or less silvery on 

 ventral region. Vertical bars dusky. Greenish-yellow and dark bars 

 on spinous dorsal, other vertical fins pale-grayish. Pectoral and 

 ventral whitish. Iris brown. Length 1^ inches. 



S0ARID.ZE3. 



64. Cryptotomus beryllinus Jordan and Swain. Parrot Fish. 



Color in life brown, edges of some scales darker, those on lower sur- 

 face of a light chestnut tint. Dorsal and anal slightly brownish, with 



