284 Dr. 0. E, Imhof on the Microscopic Fauna 



Imh. (Hot.) Polyarthra lylatyptera, Ehr. ; Euchlanis, sp. 

 (Clad,) Daphnia, sp. ; MacrothrLv, sp. ; Lynceus, sp. 

 (Cop.) Ci/dojis, sp. 



15. Nero (Eernina Pass), 2222 metres. — (Prot.) Dinohryon serta- 



laria, var. al/)inum, Imh. ; Peridiniuin, sp. (liot.) ^4ni(- 

 rcea longispina, Kell. (Clad.) Daj>hnia, sp. (Cop.) 

 Cyclops, sp. 



16. BiAifCO (Bernina Pass), 2230 metres. — (Prot.) Dinohryon serfu- 



laria, var. alpinum, Imh. (Rot.) Polyarthra platyptera, 

 Ehr. ; Synchceta pectinata, Ehr. ; Anurcea longispina, 

 Kell. (Cop.) Cydop)S, sp. ; Diaptomus, sp. 



17. CaocJ-rrrA (Bernina hospice), 2307 metres. — (Prot.) Dinohryon 



sertalaria, var. alpinum, Imh. (Rot.) Polyarthra platy- 

 ptera, Ehr. ; Synchceta jyectinata, Ehr. ; Anara'a longi- 

 spina, KeU, (Clad.) Dapihnia, sp. (Cop.) Cyclops, sp. 



18. Gravasalvas (between Piz Lagreo and the crown of the pass of 



the Julier), 2378 metres. — (Rot.) Anura;a longispina, 

 Kell. (Clad.) Lynceus, sp. (Cop.) Cyclops, sp. ; Diap- 

 tomus alpinus, Imh. 



19. Nair (to the north of the Silsersee), 2456 metres. — (Rot.) 



Anuro'a longispina, Ivell. (Cop.) Diaptomus alpinus, 

 Imh. 



20. MoTTA ROTON^DA (south of the Piz Gravasalvas), 2470 metres. 



— (Clad.) Macrotlirix hirsuticornis ; Lynceus, sp. (Cop.) 

 Diaptomus alpinus, Imh. 



21. Margum (above Sils-Maria), 2490 metres. — (Clad.) Daphnia, 



sp. (Cop.) Cyclops, sp. ; Diaptomus alpinus, Imh. 



22. Materdell, 2500 metres. — (Rot.) Polyarthra platyptera, Ehr. 



(Cop.) Diaptomus alpinus, Imh. 



23. LoAVER Raveischgsee (on the Sertig Pass, Bergiin-Davos), 2500 



metres. — (Clad.) Daphnia, sp. 



24. TsCHEPPA (between Piz Lagreo and Piz Polaschin), 2624 metres. 



— (Rot.) Anuroia longispina, Kell. (Cop.) Cyclops, sp. ; 

 Diaptomus alpinus, Imh. 



25. Sgrischus (on the Piz Corvatsch), 2640 metres. — (Rot.) Anu- 



rcea longispina, Kell. (Cop.) Cyclops, sp. 



26. FuRTSCHELLAs (on the Piz Corvatsch), 2680 metres, — (Clad,) 



Daphnia, sp. (Cop.) Cyclop>s, sp. ; Diaptomus alpinus, 

 Imh.; Heterocope rohusta, ^ars. 



27. Prl'nas (south of the Piz Languard), 2780 metres. — (Cop.) 



Cyclops, sp. (in the upper lake) ; Diaptomus alpinus, Imh. 

 (in the lower lake ; these two lakes were formerly a con- 

 nected water-basin). 



