HOT SPRINGS 



A; "hot springs" I have only included those which on the labels 

 have distinctly heen marked as such. I have of these 30 

 samples from 13 localities, viz. 

 from S.: Grafarbakki (1 sampl.), Minni Laxa (4 sampl.), TorfastaSir 



(4 sampl.). 



S.W. : Hrossholt (1 sampl.), Reykjavik (4 sampl.). 

 N.W.: Hrutafjordur (1 sampl.), Reykjanes (3 sampl.), Steingrims- 



fjordur (1 sampl.). 

 N.: Akureyri (2 sampl.), Hrafnagil (4 sampl.), Hrisey (1 sampl.), 



Laugafells Laug (3 sampl.), Reykjarfjordur (1 sampl.). 

 In these I have found the following forms: 



Number 

 of hot 

 spring's 



Achnanthes (17) 



1 coarctata 1 



2 exigua 1 



3 *exilis 1 



4 lanceolata .... 9 



5 - fseroensis 2 



6 minutissima . 3 



Number 

 of hot 

 springs 



Caloneis (14) 



*amphisbsena . . 1 



fasciata 2 



*Silicula gen. . . 10 



alpestris. 5 



inflata. 2 



Total. 



20 



1 



Total ... 17 



A ni p h o r a (8) 



coffaeiformis . . 1 



2 *ovalis 6 



3 Pediculus 3 



4 protracta gall.. 2 



5 veneta . 1 



Ceratoneis (1) 

 1 Arcus 8 



Total... 13 



Total ... 8 



Cocconeis (5) 



1 flexella 2 



2 Placentula. 7 



1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 

 13 

 14 



Number 



of hot 



springs 



Cymbella (31) 



aequalis 1 



aspera 1 



Cistula 1 



cymbiform. ... 2 



gracilis 2 



helvetica 



heteropl. min. 

 incert. navic. . 

 *lanceolata . . . 

 lapponica.. . . 

 microcephala. 



naviculif. 3 



parva 9 



ventricosa . 5 



Total... 33 



Total... 9 



Anomoeoneis (5) 



1 exilis 1 



2 zellensis.. 1 



Cymatopleura (2) 

 1 Solea . 2 



Denticula (3) 

 *elegans 



1 



Total. 2 



Total... 2 



Total... 1 

 6* 



