86 FUSINiE. 



and straight ; columella excavated in the middle ; outer lip 

 simple. 



Syn. Clavellithes, Swain. Cyrtulus, Hinds. 



Ex. 0. distorta, Linnaus, pi. 9, fig. 6. Operculum, C 

 serotina. Hinds, fig. 6, a, 6, b. Shell, 0. serotina, fig. 6, c. 



The genus Cyrtulus., founded by Hinds on a remarkable 

 shell from Nukuhiva, is a recent species of Swainson's fossil 

 genus Clamlla ; there are also three other recent species. 

 The type is the Fusus loncfcevus, Soland. 



Sjyecies of Clavella. 



avellana, Reeve. serotina, Hinds. 



distorta, Linn. subrostrata, Gray. 



Genus EUTIIRIA, Gray. 



Shell fusiform, smooth; aperture oval, produced ante- 

 riorly into a long recurved canal; inner lij) simple ; outer 

 lip posteriorly sinuated. 



Syn. Fusus sp.. Lam. 



Ex. E. lignaria, LamarcTc, pi. 9, fig. 7. Operculum, 

 E. lignaria, fig. 7, a. Shell, E. lignaria, fig. 7, h. 



This genus, of which but a few species are known, may 

 be regarded as Pisaniee. with recurved beaks. 



Species of Euthria. 



antarctica, Reeve. fuscata, Briig. 



cingulata, Reeve. lactea, Reeve. 



cornea, Linn. lineata, Chem. 



dira, Reeve. littorinoides, Reeve. 



ferrea, Reeve. obscura, Reeve. 



