THE NAUTILUS. 



53 



Odostomia sp. ? (A very small 

 species, not identified, found 

 alive with the Cioniscus. 



Auriculina dilucida Monter. 



Auriculina scandens Brugnone. 



Parthenina excavata Phil. 



Parthenina turbonilloides Brus- 

 ina. 



Parthenina monozona Brus. 



Parthenina Jeffrey si, B u c q., 

 Dautz., DolJf. 



Parthenina tricincta Jeffr. 



Parthenina scalaris Phil. 



Parthenina gracilis Phil. ema- 

 ciata Brusina. 



Parthenina inter stincta Mont. 



Turbonilla obliqitata Phil. 



Turbonilla lactea Lin. 



Chemnitzia pallida Mont. 



E-ulima polita Lin. 



En lima distorta Desh. 



Eulima intermedia Cantr. 



Eulima incurva Ren. 



Eulima microstoma Brus. 



Cerithiopsis minima Brus. 



Cerithiopsis tubercularis Mont. 



Cerithiopsis bilineata Hoernes. 



Cerithiopsis Metaxa Delle Chiaje. 



Conus Mediterraneus Hwass. 



Sadropleura septangularis Lin. 



Mangilia tceniata Desh. 



Mangilia multilineolata Desh. 

 Light and dark-colored spec- 

 imens. 



Defrancia Philberti Michaud. 



Lachesis Folince Delle Chiaje. 

 Lachesis turritellata Desh. 

 Lachesis retifera Brugnone. 

 Trivia Europcea Mont.* 

 Cerithium rupestre Kisso= C. 

 mediterranenm Desh. 



Bittiam lacteum Phil. 



Bittium Jadertinum Brusina. 



Bittiam reticulatum daCosta. 

 Triforis perversns Lin. 



Littorina neritoides Lin.cceru- 

 lescens Lam. 



Rissoina Bruguierei Payr. 



Barlceia riibra Ad. var. The 

 Algerian variety, brown with 

 the base white around the col- 

 umella. 



Alvania Algeriana Monterosato. 



Alvania Algeriana. Dark vari- 

 ety. 



Alvania Montagui Payr. 



Alvania lineata Risso. 



Alvania pagodula Bucq., Dautz. 

 and Dollfus. For the iden- 

 tification of this and other 

 puzzling species in the present 

 list, I am indebted to the kind- 

 ness of Mr. P. Dautzenberg. 

 White and colored spec- 

 imens. 



Alvania subareolata Monteros- 

 ato. 



Alvania cimex Ij. = calathiscns 

 Mont. 



Alvania Weinkavffi Schwartz. 



Alvania subcrenulata Schwartz. 



Alvania sculptilis Monterosato. 

 Extremely rare. 



Alvania rudis Phil. 



Alvania mutabilis Schwartz. 



Apicularia Guerini Reel. 



Apicularia similis Scacchi. 



Apicularia dolium Nyst. 



Apicularia dolium f. castanea. 

 One example, of an uniform 

 brown color. 



Rissoa pusilla Phil. 



LI 



