PROC. U.S. NAT. MUS. VOL. 116 



GEHLBACH — PLATE 1 



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\ Short-grass association of the Plains Life Belt near Laguna, Wilencia County, New 

 'Mexico, ca. 5700 feet, June 1957; B, Roughlands Life Belt at Cottonwood Gulch, 

 McKinlev Countv, New Mexico, ca. 7200 feet, June 1957 (the hillside supports pinyon- 

 juniper association with riparian association on the right); C. Montane Life Belt at Ojo 

 Redondo, Valencia County, New Mexico, ca. 8600 feet, July 1954 (a natural park in the 

 foreground is surrounded by spruce-fir association perforated by aspen stands). 



