SUPPLEMENT. 209 



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

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

 Bell) ! 



P. 56. — Barleeia rubra. F. Pisa (Manzoni) ; Palermo 

 (Calcara). E. Algeria (WeinkaufT) ! ; Malta (Mamo). 



P. 60. — Jeffreysia opalina. Orkneys (Thomas) ! 



P. 65. — Skexea plaxorbis. F. Uddevalla (Crosskey and 

 Robertson)! Yar. trochiformis. Specimen almost scalariform. 

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



P. 69. — Hoaialogyra ATOirus. F. Uddevalla (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 tricarinatd). 



P. 74. — C^cr/ir. 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 n r. "Odontidhm". 



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

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

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

 Fleming inhabits the W'est Indies and Singapore, and may 

 have come from a bath-sponge. 



P. 77, 1. 16 from top, for " Spirolidiurn Mediterranean " r. 

 '•' Dentalium corniculum" ; the former is the fry of C. glabrum. 



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

 Adr. ! The fry is slightly twisted, as in 0. trachea. 



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

 " Odontidium Icevissimam" . 



P. 80. — Ttjrritella terebra. F. Throughout Europe. 



p # 85. — Truncatella truxcatula. E. Madeira, with 

 Lowe's species (Watson and Paiva)! 



P. 93. — Scalaria Trevelyana. E. G. Gascony (Lafont 

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



