76 



ERNST ØSTRUP 



261 

 262 

 263 

 264 

 265 

 266 

 267 

 268 

 269 

 270 

 271 

 272 

 273 

 274 

 275 

 276 

 277 

 278 

 279 

 280 

 281 

 282 

 283 

 284 

 285 

 286 

 287 

 288 

 289 

 290 

 291 

 292 

 293 

 294 

 295 

 296 

 297 

 298 



299 

 300 

 301 

 302 



lacustris 



lanceolata 



— Cymbula . . . . 



— latior 



— phyllepta 



lucidula 



Ludloviana 



minuscula 



mutica Cohni 



— üöppert 



nivalis 



oblonga 



pelliculosa 



peregrina 



— Menisculus.. . 



— Meniscus 



— polaris 



protracta 



Pseudobacillum 



— lanceolata 



Pupula 



pusilla . 



radiosa 



Reinhardts 



— Yenissey. . . . 

 rhyncoceph 



amphic. . . . 

 Rotaeana 



— oblongel 



Salinarum 



Semen 



Seminulum 



fragilar 



subtilissima 



Tuscula 



viridula 



— slesvic 



vulpina 



Neidium 

 affine amphir 



— longiceps 



— undulata 



bisulcatum 



Universal distribution 



Eur. Af. As. Am. Aust 



x 

 x 



X X 



X 



X 



X X 



X X 



X 

 X X 



GrI. 



J.M. B.E. Spb. FlJ. S. S.W N.W. N 



Distribution in the 



different parts 



of Iceland 



X X 



X 

 X 

 X 

 X 



X X 



X 

 XXX 



X 



X 



X 

 X X 



X X 



! x 



X X 



X X 



X X 



XXX 

 XXX 

 X 



X x 



X 



X 



X 

 X 



XXX 

 X 



X 



X 



X 

 XXX 

 X X 



X X 



X X 



