SUPPLEMENT. 207 



P. 8. E. CANCELLATA. F. Lochgilp (Crosskey) ! ; N.W. 

 Germany (Philippi) ; Italy, from Pisa to Naples. 



P. 11. E. CALATHTTS. E. N. Spain (Fischer,/. Hidalgo); 

 Naples and Sicily (Acton and others) ! ; Dalmatia (Brusina) ! 

 R. subcrenulata , Schwartz. 



P. 11, 1. 3 from bottom, for " abyssicola" r. " reticulata". 



P. 12, 1. 8 from top, after " latticework " add a pair of 

 raised commas. 



P. 12. E. RETICULATA. F. Clyde beds, Vienna basin, Pisa, 

 and Monte Mario ! E. Loffoden I., 300 f. (Sars); G. Gascony, 

 Naples, and Sicily ! R. Marice, D'Orb. 



P. 14. E. CIMICOI'DES. N. of Hebr., 170 and 189 f. (C. and 

 T.). F. Norway and Italy ! E. Throughout the Mediterra- 

 nean ! R. intermedia, Aradas. 



P. 15, 1. 14 from top, for "Martin" r. "Malm". 



P. 15. E. JEFFEETSI. Operculum thin, finely and obliquely 

 grooved in the line of growth, and more distinctly towards the 

 spire or nucleus, which is small and placed near the pillar. 

 N. of Hebr., 170 and 189 f. (C. and T.). F. Barholmen 

 near Drobak, Norway (Crosskey and Eobertson)! E. Loffoden 

 I., 300 f. (Sars) ; G. Gascony, 60-80 f. (De Folin) ! 



P. 17 E. PUNCTT7RA. F. Portrush, Italy, and Ehodes ! 

 E. G. Gascony, Corsica, and Naples ! 



P. 19. E. ABYSSICOLA. E. Loffoden I., 300 f. (Sars); G. 

 Gascony (De Folin) ! ; Naples (Stefanis) ! Not R. scabra, Ph. 



P. 20. E. ZETLANDICA. N. of Hebr.. 170 and 189 f. (C. 

 and T.). F. Christiania (Crosskey and Eobertson) ! E. Al- 

 geria (Weinkauff) ! 



P. 22. E. COSTATA. F. Clyde beds (Eobertson)!; Pisa, 

 Monte Mario, and Ehodes ! E. Adr. ! 



P. 23. E. PARVA and var. interrupta. F. Selsea (A. 

 Bell)!; Bohuslan, Monte Mario, and Ehodes ! E. Throughout 

 the Med. and Adr. ! R. radiata, Ph., is probably a variety. 



P. 26. E. INCONSPICTTA. F. Belfast (A. Bell) ! ; Monte 

 Mario (Eigacci) ! E. G. Gascony and Naples ! 



P. 29. E. ALBELLA. F. Christiania (Crosskey and Eobert- 

 son) ! E. Sicily (Aradas, as Biihynia Benzi) ; Dalmatia (Bru- 

 sina, as R. Oenensis] \ 



