10 GEOLOGICAL SURVEY OP THE TERRITORIES. 



Order IV.— RAPTORES, THE BIRDS OF PREY. 

 Family 40. — Stkigid^, the" Owls. 

 Athene Jiypugwa, Bonap., (prairie-owl:) 



No. 



Catalogue- 

 number. 



Date. 



Eggs in 



Locality. 



Remarks. 



16297 



June 10, 1872 



Salt Lake, Utali . 



See page — . 



Family 41. — Falconedjei. 



( Sub-family Buteoninw, the Buzzard-hawlcs.) 

 Buteo swainsoniiy Bonap., (Swainson's hawk:) 



ja- Catalogue- 

 number. 



Date, 



Eggs in 

 nest. 



Locality. 



Remarks. 



59 16313 



July 9, 1872 



1 



Fort Hall, Idaho 



Egg decayed. 



See page 



Order V.— PULLASTR^. 



Family 43. — CoLUMBiDyiE, the Pigeons and Doves. . 

 Zenaidura carolinensis, Bonap., (common dove :) 



No. 



Catalogue- 

 number: 



Date. 



Eggs in 

 nest. 



Locality. 



Remarks. 



1 



16256 

 16257 

 16258 

 16291 



12259 

 12260 



June 5, 1872 

 June 5, 1872 

 Juue 5, 1872 

 June 7,1872 



June 7,1872 

 June 15,1872 



2 



2 

 2 

 2 



2 



2 



Ogden, Utah. . . . . . 



Eggs fresh.. 



4 



do 



Do. 



.5 



do 



Do. 



18 



do 



Eggs contained 



'>0 



do 



large embryos. 

 Eggs fresh. 

 Do. 



'»'> 



do 









Mourning or ground doves were very numerous in the Salt Lake Val- 

 ley, where I collected twelve of their eggs. They lay two white eggs, 

 either in a slight excavation in the ground lined with a few pieces of 

 straw or dry grass laid loosely together, or in a neat nest of fibrous 

 roots, which is placed on a bush from two to five feet above the ground. 



