210 SUPPLEMENT. 



P. 96. — S. clathratula. F. Monte Mario (Rigaeci) ! E. 

 Madeira (K ( Andrew and Watson) ! 



P. 98. — S. pseudoscalaris. F. Pisa (Manzoni). E. Finis- 

 terre (Collard d. Cherres); Atlantic coasts of Spain, Med. 

 JEg., and Azores. 



P. 98. — Acirsa borealis. F. Uddevalla. 



P. 99. — Aclis, apparently Niso of Risso. 



P. 100. — A. ttnica. F. Sparebakken, near Skien in Nor- 

 way (Crosskey and Robertson) ! ; perbaps Lapngy in Transyl- 

 vania (Mus. Vindob.) ! E. Arcachon (Lafont) ! ; Naples (Ac- 

 ton and Stefanis) ! ; Venice (G. v. Martens) ! 



P. 102. — Graphis being used for Lichens, r. " Cioniscas". 



P. 102. — A. ascaris. St. Magnus Bay, Shetland (J. G. J.) ; 

 Land's End (Hockin) ! ; Laugharne, not " Bude " (Lindsay) ; 

 coll. Fleming, as Turritella suhtruncata ! F. Pisa (Manzoni). 

 E. G. Gascony (De Folin) ! ; Dalmatia (Brusina) ! My Shet- 

 land specimen has a variciform rib. 



P. 103. — A. sttpranitida. Operculum thin, striated in the 

 line of growth ; spire small, placed close to the pillar. Ork- 

 neys, 35 f. (Thomas)! ; W. coast of Shetland, 90-100 f. (J. G. J.); 

 Laugharne, not " Bude " (Linsday) ; Fowey (Barlee) ! F. 

 Norway (Crosskey and Robertson) ! ; Monte Mario (Rigaeci)! 

 E. G. Gascony (De Folin) ! ; Canaries, 40 f. (M'Andrew) ! 



P. 105. — A. Walleri. 



Body clear white with a faint tinge of pink : tentacles cylin- 

 drical, short : eyes close together, sessile on the inner side of 

 the tentacles : foot lanceolate. 



St. Magnus Bay, Fetlar, and Unst, 40-100 f. E. Loffoden 

 I., 300 f. (Sars); Sicily, 60 f. (Stefanis)! Very variable in 

 size. Apex pinched up, and narrower in proportion to the 

 rest of the spire ; mouth as in A. Gulsonce. 



P. 106. — A. Gulsonce. Var. tenuicula. St. Magnus Bay. 



P. 107.— 1. 14 from top, for " Clacton" r. " Sutton". 



P. 107. — Menippe has been already employed in the Crus- 

 tacea. Substitute Pherusa. 



P. 115. — Odostomia minima. St. Magnus Bay, 60-80 f. 

 (J. G. J.) ; coll. Fleming, as Rissoa vitrea (vide supra, p. 208) ! 



