1919.] NATURAL SCIENCES OF PHILADELPHIA. 197 



follows. Two of the stations (I and XVIII) are really extralimital 

 to the Park: 



Station I. Mt. Henry Trail, 3 miles northwest of Glacier Park 

 Station, just outside the eastern boundary of the Park; alt. 5300 ft.; 

 August 20, 1916; under sticks and bits of bark in moist places along 

 the trail. 



Station II. Mt. Morgan Trail, Dry Fork Canyon; alt. 5200- 

 6000 ft.; August 21, 1916; under sticks, stones, etc., at various inter- 

 vals along trail ; most of the Vertigos found under one small log. 



Station III. Cut Bank Creek; alt. 5800 ft.; August 21, 1916; 

 under sticks not far from creek. 



Station IV. North Slope Triple Divide Pass; alt. 6600 ft.; Aug- 

 ust 22, 1916. 



Station V. Near Going-to-the-Sun Chalets, Gunsight Trail; alt. 

 4600 ft.; August 25, 1916; among loose rocks on slope near trail. 

 (Plate IX, fig. 1.) 



Station VI. Piegan Pass Trail, on west slope of Going-to-the-Sun 

 Mountain; alt. 6000 ft.; August 26, 1916; under sticks except Oreo- 

 helix, which was crawling on sm'face. 



Station VII. Lower end of Grinnell Lake; alt. 5000 ft.; Aug- 

 ust 26, 1916; under sticks. 



Station VIII. Southeast shore of Lake Josephine; alt. 5000 ft.; 

 August 26, 1916; under sticks. 



Station IX. Along road northwest of Lake McDermott; alt. 

 5000 ft.; August 27, 1916; under sticks and bark. (Plate IX, fig. 2.) 



Station X. Ptarmigan Falls; alt. 5600 ft.; E. H. Dole, August 27, 

 1916; under sticks, bark, etc. 



Station XI. Pool near lower end of Iceberg Lake; alt. 6000 ft.; 

 August 27, 1916. (Plate IX, figs. 2-3.) 



Station XII. Upper end of ST\dftcurrent Canyon; alt. 5200 ft.; 

 August 28, 1916; under sticks and small logs on floor of canyon along 

 trail. This station proved one of the most prolific of any at which 

 collecting was done. (Plate IX, fig. 2.) 



Station XIII. Granite Park Trail, just below Granite Park 

 Chalets; alt. 6000 ft.; August 29, 1916; under sticks and small logs 

 along trail. 



Station XIV. Granite Park Trail, near Mineral Creek, at bottom 

 of canyon below Granite Park; alt. 3859 ft.; August 29, 1916; mainly 

 under sticks and pieces of bark around fallen logs along the trail. 

 The best locality for small land snails we found in the Park. The 

 forest in this canyon is magnificent and very dense. 



