P. T. Cleve: The Diatoms of Finland. 5 



22 irom the mountain Tshun, in small rivulets and on 

 moist rocks. 



23 from the mountain Chibina, in shallow ponds at the foot 

 of the mountain. 



24 — 21 from a dry rivulet at the shore of Imandra, at the 

 foot of Chibina (Reg. abiet.) 



C. From Tulomian Lapland (Lapponia Tulomensis, Lt.) col- 

 lected 1885 by V. F. Brotherus. 



28 — 29 from rivulets on the island of Kildin on the shore 

 of the Ice-sea. 



30 from bogs on the „tundra" near Arafjord. 

 31 — 35 from Ribatshi (Fiskarhalfon). 



D. From the vicinity of Abo (Regio aboensis, Ab) collected 

 1886 and 1887 by R. Boldt. 



36—38 Lojo. 



E. From Murmanian Lapland (Lapponia murmaniea, Lm) 

 collected 1887 by 0. Kihlman. 



39 Woroninsk. 



F. From Onegian karelen (Karelia onegensis, Kon) collected 

 1888 by 0. Kihlman. 



40 from Nenrarvi. 



41 ,, Suopohja. 



42 „ Tiudie. 



43 „ Shungu. 



(j. From the vicinity of Abo (Regio aboensis, Ab) collected 

 (44—50) by R. Roldt in the year 1889 and (51—54) by F. Elf- 

 ving in the year 1877. 



44 from the lake of Lojo near Mustasaari, on Myriophyllum. 



45 from the lake of Lojo, near Kaurasaari, on Myriophyllum. 



46 from the lake of Lojo, coating the stems of Scirpus. 



47 from the lake of Lojo, on the bottom among Ranuncu- 

 lus reptans. 



48 from the lake of Lojo, at the shore of Mustasaari, on 

 water-plants. 



49 from Paloniemi in springs near Puusilta torp. 



50 from the lake of Lojo, near Mustasaari, forming thick 

 coatings on the stones at. the shore. 



