Bulletin No. 20. 39 



Pigmy Nuthatch, 23. American Magpie, 9. 



Slender-billed Nuthatch, 2. Mountain Chickadee. 7. 



Western Robin, 8. Golden Eagle, 2. 



Canon Towhee, 5. Road Runner, i. 



Western Goshawk, i. Mourning Dove, 17. 



Sparrow Hawk, i. Desert Horned Lark, 39. 



The day was a perfect one. No clouds, hot sun, thermometer 52° in 

 the shade, and a very light snow had fallen the previous night, which 

 had entirely disappeared, except slight patches on the shady side of the 

 mountains along the canon. 



W.\LTON I. Mitchell, Partwuir, Scdi Miffucl Co., Xczc Mexico. 



Phtl.\delphl^, Pa. — This censo-horizon was taken during a two hours 

 tramp over the Delaware marshes near Philadelphia, February 26, 1898. 

 The day was clear, with a comparatively strong breeze, the temperature 

 ranging from 40° to 60°. 



Duck, 12. A flock swimming in the river too far out too determine 

 the kind. 



Marsh Hawk, i. Solitary. 



I All these were flying about over the 



Red-tailed Hawk. 3. Together. \ fa ^le meadow. These meadows are 



; literallv alive with mice, which prob- 



Red-shouldered Hawk, i. , ^bly accounts for the number of 



Am. Rough-legged Hawk. 3 j hawks, which are abundant there in 



I winter. 



Short-eared Owl, 2. Pair. 



Flicker, 3. Two together, one solitary. 



American Crow, 12. In pairs mostly. 



Red-winged Blackbird, 1. 



Meadowlark, 3. Solitary, 



Purple Grackle, 3. Flock. 



Vesper Sparrow, 3. Flock. 



Savannah Sparrows, 6 small flocks of 2 or 3. 



White-throated Sparrow, 2. 



Slate-colored Junco, 3. 



Song Sparrow, 50. Small flocks. 



Swamp Sparrow, i, with Junco. 



Titlark, 100. Flock. 



Carolina Wren, i. 



Robin, 4 



