VERMETUS. 183 



Doubtful and Unfigured Speciea of TJujlacodes. 

 V. CuviERi, Risso (PL 48, fig. 19). Southern Europe. 



This unrecognized species is the t3'pe of the subgenus Lemcn- 

 tina, Risso, distinguished by the remarkabh' radiated metapo- 

 dium. Dr. Gray regarded it as " probabl}' onl}- a badlj- described 

 and figured Seiyuloides arenarius^ 



V. ORYZATA, and var. annulatus, Miirch. Panama. 



Y. RuMPHii, Blainv. (Y. protensa, Dillw., Y. verniium, Petiv.). 



Hah. tinknown. 

 Y. PROTENSUs, Gmel. Hab. unknown. 



Y. scABER, Gravenhorst. Hab. unknown. 



Y. Natalensis, Morch. So. Africa, 



Y. eruciformis, and vars. erythrosclera and lumbricella, 



Morch. California. 



Y. RiiSEi, and vars. Muhlenpfordet, and limacella, Morch. 



West Indies. 

 Y. TuRONius, Rouss. Definitely ascertained to be a fossil. See 



Yaillant, Nouv. Arch, rfu ifws., 193, 18T1. 

 Y. ANNULUS, Rouss. Hab. unknown. 



Y. selectus, Monts. and vars. arborea and ramosa. 



Mediterranean Sea. 

 Y. melanostomus, Morch. Zanzibar. 



Y. siPHO, Lam. Timor. 



Y. Lamarckii, Yaillant. Australia. 



Subgenus Siphonium (Browne. 115G), Morch, 1859. 

 Y. LiTUELLA, Morch. PL 54, fig. 82. 



Yariously twisted, often openl}^ spiral, laterally attached and 

 deeply immersed, with a median carina or rib above, which is 

 more or less nodulous, and close, rugose incremental lines ; color 

 whitish or ash, often obsoletely brown clouded, early whorls 

 chestnut colored. California^ on Haliotis, etc. 



It is V. ammoniforviis, Serres. 



Y. AFRUM, Gmel. PL 54, fig. 83. 



Yery solid, white, corroding and attached latcrall}', spiral, 

 becoming thinner towards the aperture, with a superior rib and 

 obsolete longitudinal stride, distant incremental sulci, and close 

 arcuate incremental striae. Gaboon, W. Africa, on Ghama, 



It is " Le Datin " of Adanson. 



