;i3»S .ions. BOYK PKTKHSKN 



172 — 173. rifsl);iT; Oli soil saUiralt'd willi iiriiic ncar llic house ''*;7. 



Prasiola ciispa, I'lioi midiiim aiitiiinnak'. (iomphoncma anf^iislafum 



V. produclum, llaiil/scliia ainphioxys v. xcropliila, N'avicula .Moimis, 



N. imilira f. ('.olinii, A'. iiitiuj)liila. Nitz.sc-liia ampliihia, l'imuilaria borcalis. 



P. siibcapitata . 



17'.(. ()n tho j»roiin(l iii a lava rave by Ihe bri(lj»e across .Skjal- 

 vandilljol; shccp shcller in Ihe cavc ^^/i. 



Mimiilleria cxilis. HumiMerioiJsis l)revis, Ilormidiiiin flaccidiini. .Xch- 

 nanllies huiecohila, DialoiiieUa IJaltburiana, Fraj^ihiria hmissima. Melosira 

 Hoe.scatia. Xdriciihi Atoinits, X. conlcnhi, A'. iniilini /'. ('.ohnii, A'. m. f. minima. 

 l'innularia <>racillinia. P. intcrmcdia, Hhopalodia gil)ba). 



182. Oli liirl" feiicc; Skiiluslat^ir ^^/t. 



(Hantz.schia ainphioxys v. gcnuina, //. a. v. xcrophila, Nauiciila Alomus, 

 N. Borrichii v. iiii(hihita, N. niiilica I". WiillTii, Piiimilaria borealis. P. iii- 

 tcniiedia). 



184. Small lava cave near Ski'itustaiMr '^/t. 



Mossprotoiieiiia. Dialoiuena Palfoiiriana. Melosira Roeseana, Ndi'iciiln 

 mnliai f. (luhiiii. A'. /;/. /'. minima, X. ni. f. rlioniboidea, Pinnularia borealis. 

 P. inlermedia, Hhopalodia vcntricosa). 



185. On tlie edge of a small volcanic crater easl of SkiitustaSir ^^/i. 

 (Prasiola crispa, Diatomella Balfouriana, Hantzschia amphioxys v. 



xcrophila, Pinnularia borealis). 



196. Skutustai^ir; on carlh between stones in the wall of thc 

 house ^^/t. 



Prasiola crispa, Merismopedia minima Reck, Hantzschia amphioxys 

 v. xcrophila, Nauiciila miilica f.Cuhnii, X. m. 1'. minima, Pinnularia borealis . 



197. SkulustaSir; between stones in thc wall at an allitude of abt. 

 1 m. 1^7. 



Prasiola crispa, Diatomeæ, the most of which were only dead 

 frustules). 



209. Soil under Archangelica, slrongly manured by the droppings 

 of hirds; (leitcy in Myvatn ^^li. 

 ;Phormidium autumnale). 



212. Damj) ground on (icitey in Myvatn: abundantly manured witli 

 the (ir(>p|)ings of hirds ^^,7. 

 (IMuM-midium autumnale 1. 



21."). On mud in .,St(')ra Gja" ^^it. 



Oscillatoria tennis, Achnnnlhcs lanccolata. (".aloneis fasciata. Di|)l()neis 

 ovalis V. oblongella. Melosira varians, Xavicula bidenlula, X. contenla. 

 A'. vriiplorcplwla n. vcneta, Nitzschia ani|)hibia, X. Kutzingiana, Pinnularia 

 gracillima, P. interrupta f. minor, P. mcsolepla i>. stanroiwifurmis, P. major, 

 P. molaris, Stauroiieis ance|)s . 



21(). On stones in „Stora C.ja" ^^7. 

 Prasiola crispa, Pleurococcus vulgaris. Trochiscia hirta\ 



