SUPPLEMENT. 209 



in the Ain and Jura) is remarkable, and may indicate an 

 ancient estuary of the Khone. Yar. octona. F. Clacton (A. 

 Bell) ! 



P. 56. — Baeleeia rubra. F. Pisa (Man-ji'^; Palermo 

 ^Calcara). E. Algeria (WeinkaufF) ! ; Malta-^ ">). 



P. 60. — Jeffreysia opalina. Orkneys (Thoi. 

 P. 65. — Skenea planorbis. F. Uddevalla (L. jsskey and 

 Robertson)! Yar. trochiformis. Specimen almost scalariform. 

 Yar. maculata. Madeira (Watson) ! Yar. hyalina. Shetland. 

 P. 69. — HoMALOGYRA ATOMus. F. Uddcvalla (Crosskey and 

 Robertson)! E. Dalmatia (Brusina)!; probably Rimini (v. 

 Miihlfeld, as Helix nana). 



P. 71.— H. ROTA. Balta Sound (J. G. J.) ; Dublin Bay 

 (Waller)! F. Grund, Yienna basin (Mus. Yindob.) ! E. 

 Lessina, Dalmatia (Mus. Berolin.)! ; Madeira (Watson)!; per- 

 haps Rimini (v. Miihlf., as Helix tncannafa). 



P. 74. — C^cuM. The Marquis de Folin has given (Journ. 

 Linn. Soc. 1868, x. p. 254) an excellent account of the forma- 

 tion of the septum. He denies its value as a character for 

 the construction of genera, as proposed by Dr. P. Carpenter. 

 P. 75, 1. 11 from top, for " Odontostoma " r. ''Odontidium". 

 P. 75. — C. TRACHEA. Dublin and Strangford (Waller). F. 

 Pisa (Manzoni). C. trachea of Homes is C. manmiiUatum of 

 S. Wood. E. Madeira (Watson) ! Ortliocera trachea of 

 Fleming inhabits the West Indies and Singapore, and may 

 have come from a bath-sponge. 



P. 77, 1. 16 from top, for " SpiroJidlum Mediterraneum " r. 

 " Dentalium corniculum^^ ; the former is the fry of C. glahrum. 

 P. 77. — C. GLABRUM. F. Denmark (Morch). E. Med. and 

 Adr. ! The fry is slightly twisted, as in C. trachea. 



P. 79, 1. 5 from top, for " Odontostoma Icevissima " r. 

 " Odontidium Icevissimum" . 



P. 80. — TxiRRiTELLA TEREBRA. F. Throughout Europe. 

 P. 85. — Truxcatella truxcatula. E. Madeira, with 

 Lowe's species (Watson and Paiva)! 



P. 93. — ScALARiA Tseyelyaxa, E. G. Gascony (Lafont 

 and De Folin) ! ; Naples, 60 f. (Acton) ! 



