[Footnotes]

[Footnotes]
1
MOHR, C. E., 1945, " Sex Ratios of Bats in Pennsylvania," Proc. Penna. Acad. Sci., Vol. 19, pp. 65-69
Mohr
65
19
Proc. Penna. Acad. Sci.
1945
2
HITCHCOCK, H. B., 1950, "Sex Ratios in Hibernating Bats," Bulletin, Nat. Spel. Soc., Vol. 12, pl). 26-28
Hitchcock
26
12
Bulletin, Nat. Spel. Soc.
1950
3
NICHOLAS, BROTHER G., F.S.C., 1951, " Cave Exploring on Field Trips," The American Biol- ogy Teacher, Vol. 13, No. 5, pp. 112-113
Nicholas
5
112
13
The American Biology Teacher
1951
This content is only available via PDF.

Article PDF first page preview

Article PDF first page preview