218 PHOS. 



PH. RETECOSUS, Hinds. PL 83, fig. 514. 



Orange-brown to yellowish white ; revolving lines beaded 

 where they cross the low longitudinal rounded ribs ; lip of 

 aperture varicosety thickened externally. Length, 1*25 inches. 



Ceylon. 

 PH. GRACILIS, Sowb. PI. 83, fig. 515. 



A small, graceful, brown species ; narrow and elongated. 



Length, 20 mill. 



Sydney, Australia. 



Very like Ph. Terebra* Sowb., but without the varices of that 

 species. 



.v*# American Species. 

 PH. PALLIDUS, Powis. PL 83, figs. 494-496. 



Whitish, yellowish or fuscous, usually darker between the 

 longitudinal ribs, color sometimes broken up into revolving 

 series of spots (Ph. notatus, Sowb., fig. 496). Length, 1 inch. 



Panama ; Philippines f 



A stout, ovate, rugose species, with prominent nodulated 

 shoulder and Nassa-like form. Ph. pallidus is known to come 

 from Panama, yet it is recorded " Philippines " in Sowertty's 

 Thesaurus. Ph. notatus is also " Philippines " in the same work, 

 and I do not think the locality can be correct in either case. 



PH. CRASSUS, Hinds. PL 83, fig. 521. 

 Thick, broad, light brown, more or less banded. 



Length, 1/5 inches. 



Panama. 

 PH. ARTICULATUS, Hinds. PL 83, figs. 516, 517. 



Shell long and slender, with small rounded ribs and slight 

 shoulder ; }'ellowish or reddish brown, sometimes with revolving, 

 interrupted, darker bands. Length, 1-1 '38 inches. 



Panama; coral sand, 6 to 10 fathoms. Cuming. West Columbia. 



With this species I unite Ph. turritus. A. Ad. (fig. 517). 



PH. GAUDENS, Hinds. PL 83, figs. 518, 519 ; PL 84, figs. 527, 528. 

 Shell without, or with a slight shoulder ; ribs small, few and 

 distant, tuberculated at the crossing of the revolving lines ; 

 light yellowish brown, generally with two revolving bands of 

 chocolate interrupted by the ribs. Length, 1-1-25 inches. 



Gulf of Tekuantepec, W. Coast of Mexico ; W. Columbia. 



