CHLOROSTOMA-GIBBULA. 195 



Phorcus >iodicinctus a. Adams. Testa conoidea, umbilicata, 

 fusco luteo variegata, Isevi ; anfr. subplanulatis, cingulis tribus 

 noduldsis, liris elevatis trausversis ornatis, anf. ult. subangulato, 

 basi convexiuscula, lineis elevatis concentricis sculpta, regione uni- 

 bilicali albida ; columella brevi, arcuata, basi dentibus duobus 

 terminata ; labro fusco marginato. (Ad.) 



Habitat unknown. 



P. Z. S., 1851, p. 157. 



Phorcus granifer A. Adams. Testa orbiculato-conica, fusca, 

 cingulis transversis granorum distantium ornata, eingulis remotius- 

 culus, interstitiis transversim liratis; anfr. rotundatis, sutura canali- 

 culata ; umbilico aperto, perspective ; columella siiiuata, basi denti- 

 bus duobus terminata ; labro intus crenulato. (Ad.) 



Habitat tinkaown. 



P. Z. S., 1851, p. 157. 



Phorcus liratus A. Adams. Testa conoidea, umbilicata, fusca, 

 lineis pallidis undulatis ornata, cingulis distantioribus transversis 

 insculpta ; columella sin uata, basi dentibus tribus terminata; um- 

 bilico aperto, perspective, peromphalo viridulo ; labro intus Irevi. 

 (Ad.) 



Habitat unknown. 



P. Z. S., 1851, p. 157. 



Phorcus californicus A. Adams. Testa orbiculato-conica, 

 profunde umbilicata, viridi, atro-j)urpureo radiatim maculata, liris 

 transversis subnodulosis insequalibus ornata; anfr. ult. subangulato; 

 basi convexiuscula; umbilico perspectivo; labio in medio valde ex- 

 cavato ; columella antice dentate, intus laevi. (Ad.) 



California (Mas. Cuming.) 

 P. Z. S., 1851, p. 157. 



Genus GIBBULA Risso, 1826. 



Gibbula Risso, Hist. Nat. Eur. Merid., iv, p. 134. — Gray, Guide 

 Syst. dist. Moll. Brit. Mus., p. 151 (1853).— H. and A. Ad., Genera, 

 i, p. 431. — Fischer, Manuel de Couchyl., p. 823 — Troschel, Das 

 Gebiss, ii, p. 238. — Phorcus Risso, Hist. Nat. Eur. Merid., iv, p. 

 133. — Philippi, Handbuch der Conchyl., p. 210. — Forskalia H. and 

 A. Ad., Genera, p. 432 (1858) — Magulus, Gloviulus, Puteolua. Plior- 

 culus, Tumulus, Gibbulastra, Colliculus, Monterosato, Bull. Soc. 

 Mai. Ital, 1888, p. 169-177. — Steromphala (Leach, mss.) Gray, P. 

 Z. S., 1847, p. 146. — Koreiiia Friele (Type T. cinerarius Linn.) 



