Milton Updegraff-
Determinations of the Latitude, Longitude and Height above Sea Level. of the Laws Observatory of the University of the State of Missouri, containing a Description of the Building and Principal Instruments, pg 481
Intro, pg 1-2
History of the Prairie Horned Lark, pg 3-23
Migration, pg 23-28
The Lark in Autumn and in Winter, pg 29-34
Reproduction, pg 34-113
Molt, pg 113
Ecology of the Nesting Site of the Prairie Horned Lark in…