274 FOSSARUS. 



F. ADAMSIANUS, Nevill. Persian Gulf. 



F. CLATHRATUS, A. Ad. (jP. Adamsianus, Fischer.) Japan. 



Section GOTTOINA, A. Ad., 1863. 



F. THETIS, Watson. PI. 51, fig. 2. 



Kather solid, translucent, with a thin, polished, yellowish epider- 

 mis, imperforate ; nearly smooth, with rather obsolete spiral threads, 

 closer on the base ; whorls 3, convex, rapidly increasing ; columella 

 a little truncate at the base, where the aperture is slightly produced. 



Length, 5 mill. 



N. E. Australia; 1400 fms. 



F. SULCIKERUS, F. PYRGULA, A. Ad. (unfigured.) Japan. 



U) i figured Species of Fossarus. 



The following species, said to belong to the genus, have not been 

 placed in either of its groups : 



F. EXCAVATUS, F. ANGIOSTOMA, F. MEGASOMA, F. FOX 'KATUsf, F. 

 ABJECTUS, C. B. Ad. Panama. 



F. ANGULATUS, F. TUBEROSE, Carpenter. Mazatlan. 



F. PARCIPICTUS, F. PURUS, Carpenter. 



Cape St. Lucas, L. California. 



F. TASMANICUS, F. UFLIMOLDES, Tenison Woods. Tasmania. 



F. FENESTRATUS, A. Ad. Japan. 



F. CUMINGII, A. Ad. Hab. unknown. 



F. TROCHLEARIS, A. Ad. PhUippi-IH'*. 



F. BICARINATUS, A. Ad. = Separotista. 



F. MIRABILIS, Nevill. Arakan. 



F. IMPERFORATUS, Nevill. Penany. 



F. MULTICOSTATUS, Pease. Sandwich Is. 



Subgenus RAULINIA, Mayer, 1864. 

 F. BADIA, Tenison Woods (unfigured.) Tasmania. 



Subgenus IPHITUS, Jeffreys, 1883. 



F. TUBERATUS, Jeffreys. PL 52, fig. 14. 



Imperforate, solid, opaque, dull white, with a faint tinge of yellow, 

 spirally ridged, the ridges tuberculate, base spirally striate, styli- 

 form process broken off; whorls 3, rapidly increasing, the last with 



