SUPPLEMENT. 213 



P. 149. — 0. INDTSTINCTA. F. Vienna basin, and Italy ! 

 E. Arcachon (Lafont) !; Algeria (Weinkauff) !; Venice (G. v. 

 Martens)!; Dalmatia (Brusina)I; Madeira (Watson)! I have 

 a specimen from the Mediterranean, which is furnished with a 

 slight tooth-like fold on the pillar. 



P. 151.— 0. ixTERSTiNCTA. N. of Hcbr., 189 f. (C. and T.). 

 E. Med. and Adr. ! Var. tei^ebellum. F. Vienna basin and 

 Italy! E. Med. and Adr. Strombus obliquatus, v. Miihlf., 

 Auricula striata, G. v. Martens, and Truncatella exilis, Menke. 

 Var. suturalis. F. Selsea (A. BeU) ! 



P. 154.— 0. SPIRALIS. F, Portrush (Portlock and A. Bell) ; 

 Monte Mario (Kigacci) ! E. G. Gascony (De Folin) !; Adri- 

 atic (Stossich) ! 



P. 155.— 0. ExiMiA. i^. of Hebr., 170 and 189 f. (C. and 

 T.) ; St. Magnus Bay and Unst, 45-100 f. (J. G. J.). Apex 

 sometimes truncated. 



P. 156.— 0. FENESTRATA. F. Italy and Rhodes! E. G. 

 Gascony (De Folin) ! ; G. Naples (Stefanis) ! Chemnitzia 

 Rigacci, Conti. 



P. 158. — 0. EXCAVATA. F. Largs, Ayrshire (Landsborough) ; 

 Monte Mario (Rigacci, as Rlssoa trinodosa of Rayneval) ! ; 

 Rhodes (Mus. J. d. PL) ! E. G. Gascony (De Folin) ! 



P. 160.— 0. scALARis. Unst. F. Italy. E. Madeira (Wat- 

 son) ! Var. rufescens. N. of Hebr., 189 f. (C. and T.). 



P. 162. — 0. RUPA. F. Italy! Parthenia fasciata, Foih., 

 is probably the young. 



P. 164.-0. LACTEA. F. Belfast and Selsea (A. Bell)!; 

 Vienna basin (Homes) !; Rhodes (Mus. J. d. PL) ! 



P. 167.— 0. PUsiLLA. Birterbuy Bay (Walpole) ! F. Vi- 

 enna basin, Italy, the Morea, and Rhodes ! E. Dalmatia 

 (Brusina) ! 



P. 169.— 0. SciLL^. N. of Hebr., 170 f. (C. and T.). F. 

 Norway, Vienna basin, and Italy ! E. G. Naples (Stefanis) I 

 Var. compactilis. St. Magnus Bay, 



P. 170.— 0. ACicuLA. F. Norway and Italy ! E. Loflfo- 

 den I., 300 f. (Sars). I have a specimen from the Gulf of 

 Naples, which exhibits a conspicuous tooth. Var. ventricosa : — 



