— -Si - 



delicatula Grev 189 



duplex Donk 185 



elegans Sm . 191 



egregia Ehr 209. 



— var. exornata 



Jan 209. 



— var. interrupta 



Per 209. 



— var.politaGleve. 209. 

 elegans Per (nec 



Greg) 223. 



Ergadensis Greg 231 



eunotia Cleve 228. 



excisa Greg 221 



exigua Greg 230. 



exornata Jan 209 



exsecta Grun 207. 



fasciata Greg 210 



fluminensis Grun. . . . 230. 



formosa Cleve 213. 



— var. Studeri Jan. 211. 

 gigantea Grun 202. 



— var. fiisca A.S.. 203. 



— var. obscura 



Cleve 203. 



Graelfti Grun 211. 



— var. minor Per.. 211. 



granulata Greg (?) 



Grevilleana Greg 21U. 



— var contracta 



Cleve 210. 



GrûndleriA.S 210. 



hyalina K 226. 



hybrida Grun 229 



inflala Grun 228 



inflexa Bréb 215 . 



insecta Gruii 194 



intermedia Lewis . . . 193 



Jasnischii A.S 207. 



Kamorthensis (Grun) 



Per 206. 



labuensis Cleve 232 . 



laevis Greg 221. 



— var. laevissiina 



Greg 221 . 



— var. perrainuta 



Grun 221. 



laevissima Greg.. . . . 221 



libyca Ehr 200 



limbata Cleve 205. 







iintaia ton eg 



lineolata E. (nec 



x:ou 











Donk) 



225. 



..50. 



. 10-12 



...46. 



.12,13 



lineolata Donk 

 (nec E) 218 



218 







...46. 



...2,3 



littoralis Donk 



220 











lunula Cleve 



221. 



.49.. 



....22 



)...46. 



.6,7,11 



lyrata Greg. 



229 







>...46. 



10 



niacilenta Greg 



231. 



.50.. 



....26 





. . 29 



marina Sm 



200. 

 220 



.44.. 



\ 45 



15-17 



.. 49. 



membranacea Sm . . . 









.1,2,5 



...50. 



17 



mexicana A.S 



mucronala H.L. Sm. 



203.. 

 194 



•/44. 



...32 



...50. 



.30, 31 



ob longe lia Grun .... 



231 











obtusa Greg 



216. 



.48.. 



.9, lu 



...43. 



9 



— var. oceanica 











32 



Castr 



216. 



.48.. 



4 



...50. 



— var. radula 





...47. 



..15-17 



Cleve 



217. 



.48.. 



..5, 7 



...47. 



18 



— var. rectangulata 









. 45 



3 



...8-12 



Per 



216. 

 216 



.48.. 



.. ..2 



...44. 



oceanica Castr 









ocellata Donk 



218. 



.49.. 



4 



...44. 



...9-H 



— var? bistriata 









^46. 



20 



Per 



218. 



.49.. 



3 



■•^47. 



4 



— var. elongata 









. 46 



..14,15 



Per 



219. 



49 



9 





— var. subacuta 









...46. 



.18.19 



Per 



219. 



.49.. 



8 





..16,17 





203. 

 219.. 



.45.. 

 .49.. 



... 6 



...46. 



ostrearia Bréb 



....13 



...47. 



..2, 3 



— var. belgica 









50 



7 



Grun. > 



220.. 



.49.. 



. 16 





— var. lineata 









Cleve 



220. 



.49.. 



.17,18 



...49. 



..1,2 



— var. minor Cleve. 



— var. quadrata 



220. 



.49.. 



....20 





8 



Breb 



220. 

 220. 



.49.. 

 .49.. 



....19 



...43. 



— var. vitrea Cleve. 



.14,15 







ovalis K 



199. 



.44.. 



... .14 



...43. 



....11 



ovum Cleve 



199 







. 50. 



. 42 



o\eia Per 



223. 

 229 



.49.. 



.27,28 



...49. 



....12 



pellucida A.S 









pellucida Greg 



200 







...49. 



....U 



Peragalli Cleve 



— var. balearica 



227.. 



.43.. 



. ... 13 



49 



....10 



Per. 



427.. 



43 . 



....14 





— var. catalaunica 









6 



Per 



227.. 

 217 



.43.. 



....15 



. .43. 



■permagna Pant 





