—337— 



Flathead Lake as a Collecting Field. 



The Enemies of the Forests. 



Alpine Vegetation as Observed on MacDougal Peak. 



The Entomostraca of Flathead Lake. 



Air Currents in Mountains. 



Fresh Water Biological Stations in America. 



Structure of Orchids. 



Adaptation in Insects. 



Protective Coloration and Mimicry as Seen About the Station. 



Photography as an Aid to Science. 



Intelligence of Animals. 



The Value of Nature Study to Pupils. 



Fig. 36. A Museum Specimen from Baptiste Mountain, 1903. 



EXCURSIONS. 



The following excursions will be taken during the session of 1904, 

 unless the weather is unfavorable: 



1. A trip to Swan Lake, through the forests, with stop over night 

 at the lake. This is a beautiful lake in the mountains, of great interest 

 biologically and geologically. 



2. A trip to Rost Lake, at the base of the Kootenay Mountains. This 

 is a lake almost filled up. a fine collecting field. It is an admirable loca- 

 tion for camps. 



3. An ascent of MacDougal Peak via an Indian trail, to an altitude 

 of 7,725 feet. This will afford opportunity for alpine collecting, and will 

 present some of the most sublime scenery in the world. 



4. A trip around Flathead Lake, making study of its banks, bays, 

 and swamps. 



These trips will be under the personal supervision of the Director of 

 the Station. Those taking the trips must bear a proportionate share of 



