^'-^-jiVi'"^ 





wr-iji^ ^'^im 



I-. 



lU '- ~. 



*^ 



I . Station at Marten Creek, Quebec. 



2. Station at Etah, Greenland. 



3. Station at Rupert's House, Quebec. 



..jmuuii til .jiul^cuii 1 cm, . JiI^jKcIil ncrsv dfi, Mutwiii^^ piu- 



tection of Observers against Mosquitoes and Sand Flies. 



J. roriagc, iNoritiPin v^uebec. 



Typical Field Views by Observers in Canada and Greenland. 



