44 WILLE, FERSKVANDSALGER FRA NOVAJA SEMLJA. 



Form, pai'vula; semicellul« octaugulares, a vertice visse 

 ellipticse, a latere fere circulares. 



Long. 19; lat. 15; crass. 11; lat. isthiii. 6 /.i. 

 Norra Gåskap, Matotclikin vestre Del. 



34. C. Wittrockii LUND. 



De Desm. p. 31. T. III, f. 14. 



Long. 22; lat. 22; crass. 13; lat. isthm. 9 f.i. 



Matotclikin. 

 ß. intermediiim n. var. Tab. XIII, fig. 38. 



Semicellulae tetragonee e basi recta subito dilatatse, la- 

 teribus rectis, anguiis superioribus subrectis, inferioribus 

 obtusangulis, a vertice visae ellipticce apicibus obtusis, a 

 latere obovatce. 



Long. 22; lat. 20; crass. 13; lat. isthm. 8 ^.i. 



Matotchkin vestre Del. 



35. C. bioculatum Bréb. 



in Ralfs Brit. Desm. p. 95. T. XV, f. 5. Fletero- 

 pella hiocidata Bréb. Alg. Fal. p. 59. T. III, f. 1. 



Norra Gåskap. 



Form. 



NoRDST. Desm. aret. p. 20. T. VI, f. 8. 



MöUerbay. 



Form. intermedia. Tab. XIII, fig. 39. 



Semicellulse basi rotundata, a vertice visas rotundato- 

 ellipticEe. 



Long. 26; lat. 26; crass. 15; lat. isthm. 8 f.i. 



Norra Gåskap, MöUerbay. 



36. C. tinctum Ralfs. 



Brit. Desm. p. 95. T. XXXII, f. 7. 

 Long. 12; lat. 10; lat. isthm. 7 (.i. 

 MöUerbay. 

 ß. arctoiforme n. var. Tab. XIII, fig. 40. 



C. minimum, circiter dimidio longius quam latius, in medio 

 augustatum; semicellulae obtriangulares, apice latissime ro- 

 tundato; a latere visee obovatse fere cylindricas; a vertice 



