MY A. 



11 



Linn, names. Gm. Engl, names. Synonyms. Habitat. 



9 edentula 3220 toothless W.p.^Q. u. 



10 picea 



pitchy C. 11, t. 198, /. 1934. 



W.p.96,t.22,f.5. u. 



11 Nicobarica 3321 Nicobar C.6,t.3j.l7,l8. W.p.97. 



Nicobar Islands. 



12 rostrata 



beaked C. 11, ^. 198, /. C. D. 



W.p.97. Bergen. 



13 Norwegica 3222 Norway C. 10, M70,/. 1647,1648. 



W.p.98,t.l8,f.4,5. Norway. 



14 membranacea 3222 membranous ^.^.98. Iceland. 



15 distorta deformed M.p.4:2,t.l,f,l. Britain, 

 double-toothed M.^.44. JV.p.99. 



16 bidentata 



17 decussata 



18 purpurea 



19 ferruginosa 



20 nitens 



21 prismatica 



22 substriata 



23 dubia 



decussated. M. Suppl.p. 20, t. 28, f. 1 . 



W.p.99. Scotland. 



purple M. Suppl.p.2\ , JV.p. 100. Britain. 



rusty M. Suppl.p. 22, t. 26, f. 2. 



JV.p.lOO. Scotland. 



glossy M. Suppl.p. 165. W.p. 101. 



prismatic M. Suppl. p. 23, t. 26, f. 3. 

 W.p.lOl. 



substriated M. Suppl.p.25. W.p.l02. 



Britain. 



dubious P.B.Z.4,t.4-7. D.t.108. 



M.p.28. W.2).102,t.25, 

 f.2,3. 



21. nitida 3222 white JV.p.l03. Norway. 



