FRESH-WATER DIATOMS FROM ICELAND 



85 



Number 

 of hot 

 springs 



Fin mil aria (66) 



1 *appendicul. ... 2 



2 budensis 2 



3 Balfouriana ... 2 



4 Brandcli lin. . . 1 



5 *Brebissoni .... 1 



6 diminuta 1 



7 *borea!is 17 



8 brevicostata 1 



9 brevicostata ... 3 



10 diverg. ellipt. . . 1 



1 1 intermedia. ... 1 



12 interr. staurf: . . 5 



13 lata 4 



14 Legumen 1 



15 longa.. . 1 



16 leptosoma .... 3 



17 major 4 



18 mesogong 3 



19 *mesolept. staurf. 5 



20 angusta. 1 



21 Microstauron .. 1 



22 molaris 1 



23 subcapit 2 



24 stauropt. gen... 2 



25 stauropt. interr. 



26 stomatophora . 



27 streptoraphe . . 



28 *viridis gen. . . . 



29 - commut. . 



30 rupestris . 



Total. 



Number 

 of hot 

 springs 



2 



2 



3 



10 

 6 

 3 



91 



Bhoicospbenia (1 

 1 curvata 9 



Total... 9 



Rhopalodia (7) 



1 *gibba 11 



2 gibberula 13 



3 rupestris 6 



4 parallela 5 



5 ventricosa .... 9 



Total. . . 44 



Stauroneis (4) 



1 anceps 1 



2 *Pboenicenteron 1 



Total. 2 



Number 

 of hot 

 springs 



Surirella <13) 



1 ovalis minuta . 2 



2 ovata . 5 



Total . . 7 



Synedra (17) 



1 delicat. mesol. . 1 



2 capitata 1 



3 pulchella 1 



4 rostrata 1 



5 rump, fragil. . . 3 



6 Ulna typica. . . 11 



7 danica.. 7 



Total. . . 25 



Tabellaria (2) 



1 fenestrata 2 



2 flocculosa . 10 



Total... 12 



Of the forms included in above list are those found previously 

 in hot springs in Iceland (see "La flore algologique d'eau douce de 

 L'Islande par M. Emile Belloc. Paris 1894" p. 912) marked * (in 

 all 23). The figures in brackets opposite the names of the genera, 

 give the number of species and variants of the respective genus 

 found in the material dealt with. 



In most of the samples from hot springs, I have found Diatoms 

 with endochrome. 



