CHLOROSTOMA-GIBBULA. 195 



PHORCUS NODICINCTUS A. Adams. Testa conoidea, umbilicata, 

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

 nodulosis, liris elevatis transversis ornatis, anf. ult. subangulato, 

 basi convexiuscula, lineis elevatis concentricis sculpta, regione um- 

 bilicali albida ; columella brevi, arcuata, basi dentibus duobus 

 terniinata ; 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, cingulis remotius- 

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

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

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



Habitat unknown. 



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



PHORCUS LIRATUS A. Adams. Testa conoidea, umbilicata, fusca, 

 lineis pallidis undulatia ornata, cingulis distantioribua transversis 

 insculpta ; columella sinuata, basi dentibus tribus terniinata; um- 

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

 (Ad.) 



Habitat unknown. 



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



PHORCUS CALIFORNICUS A. Adams. Testa orbiculato-conica, 

 profunde umbilicata, viridi, atro-purpureo radiatim maculata, liris 

 transversis subnodulosis insequalibua ornata ; anfr. ult. subangulato ; 

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

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



California (Mus. Cum ing.) 



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 Conchyl., p. 823 TROSCHEL, Das 

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

 133. PHILIPPI, Handbuch der Conchyl., p. 210. Forskdlia H. and 

 A. AD., Genera, p. 432 (1858) Magulus, Glomulus, Puteolus, Phor- 

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

 Mai. Ital., 1888, p. 169-177. Sterompiiala (LEACH, mss.) GRAY, P. 

 Z. S., 1847, p. 146. Korenia FRIELE (Type T. cinerarius Linn.) 



