of elevated Alpine Lakes. 283 



hirundiaella, 0. F. Miill. (Clad.) Daphnia, sp. ; Bos- 

 mina, sp. (Cop.) Cyclops, sp. ; Biaptoinus, sp. 



4. Lower Arosasee, 1700 metres. — (Prot.) Ceratium hirundineUa, 



0. F. Miill. (Clad.) Baphnia, sp. ; Bosmina, sp. (Cop.) 

 Cijclops, sp. ; Dicqjtomus, sp. 



5. Upper Arosasee, 1740 metres. — (Prot.) Dinohryon divergens, 



Imh. ; Cemtium hlrandiiiella, 0, F. Miill. (Rot.) Poly- 

 arthra platyptera, Ehr. ; Anurcea longispina, Kell. (Clad.) 

 Daphnia, sp. ; Bosmina, sp. (Cop.) Cyclops, sp. 



6. St. Morizersee, 1767 metres. — (Prot.) Ceratium hirundlnella, 



0. F. Miill. (Hot.) Anurcea longispina, Kell. (Clad.) 

 Daphnia, sp. ; Bosmina, sp. (Cop.) Cyclops, sp. ; Diap- 

 tomas, sp. 



7. Campfersee, 1793 metres. — (Prot.) Salpingoeca convallaria, 



Steiu ; Ceratium JiirundineUa, 0. F. Miill. ; Btentor, sp. 

 Epistylis lacustris, Imh. (Rot.) Syncliceta pectinata, Ehr. 

 Triarthra longiseta, Ehr. ; Anurcea longispina, Kell. 

 Asplanchna helvetica, Imh. (Clad.) Daphnia, sp. ; .Sos- 

 mina, sp. (Cop.) Cyclops, sp. ; Diaptomus, sp. 



8. SiLVAPLANA, 1794 metres. — (Prot.) Ceratium hirundinella, 0. F. 



!Miill. (Rot.) Conochilus volvox, Ehr. ; ^Jiwroea longispina, 

 Kell. (Clad.) Z>rt_297juw, 2 sp. ; Bosmina, sp. (Cop.) 

 Cyclops, sp. ; Diaptomus, sp. 



9. SiT,8ERSEE, 1796 meti-es. — (Prot.) Ceratium hirundinella, 0, F. 



Miill. (Rot.) Conochihfs volvox, Ehr. ; Anurcea longi- 

 spina, Kell. (Clad.) ,Si(7rt crystallina, MiiU. ; Daphnia 

 sima ; Daphnia, sp. ; Bosmina, sp, (Cop.) Cyclops, sp. ; 

 Diaptomus, sp. 



10. Marsch, 1810 metres. — (Prot.) Ceratium cornutum, Ehr. 



(Rot.) ^/iura-a longispina, Kell. ; Euchlanis lynceus, Ehr. ; 

 Floscularia ornata ; the last two on the bottom. (Clad.) 

 Daphnia sima. (Cop.) Diaptomus, sp. ; Heterocope 

 robust a, Sars. 



11. Nair, 1860 metres, — (Rot.) ^>i»r(B« longispina, Kell. (Clad.) 



Daphnia, sp. : Z). su»« ; Lynceus, sp. (Cop.) Cyclops, sp. ; 

 Diaptomus alpinus, Imh. ; Heterocope robusta, Sars. 



12. God Surlej, 1890 metres. — (Prot.) Ceratium hiricndinella, 0. F. 



Miill. (Rot.) Euchlanis, sp, (Clad.) Dciphnia, sp. ; D. 

 mucronata ; Lynceus, sp. (Cop.) Diaptomus alpinus, Imh. 



13. Weissexstein (north side of the Albula Pass), 2030 metres. — 



(Rot.) Anurcea longis^^ina, Kell. : ^. aculeata, vax". regal is, 

 Imh. (Clad.) Daphnia, sp. ; Lynceus, sp, (Cop.) Diap- 

 tomus alpinvtt, Imh. 



14. Viola, 2163 metres. — (Prot.) Dinobryon sertularia,ra.T. aljiinum, 



19* 



