ABSTRACT 
SHOWING NUMBER OF SPECIES KNOWN TO BUILD IN EACH MONTH. 
cesannenn| 
ft tet 
bp fF Oo 
RApPtorReEs. GEMITORES RasoreEs. 
All kinds 
of Birds. | piumnal. [Nocturnal.| Total. |ovesand) pame | Total. 
January ... 50¢ 56 22 6 28 5 2 Uf 
February ... oo. 89 24 if 31 4 4 ta! 
March ... sav Oo 22 10 32 8 13 21 
April) iy. Rud Wars 24 11 35 12 15 27 
May... | 894 19 9 28 13 22 35 
June Aon ee || aeLG 12 2 14 15 13 28 
uly ac Wits 1 te 1 5 12 17 
August... | 124 1 - 1 3 9 12 
September soe 55 oe eee a; 2 8 10 
October ... i 30 2 1 3 1 8 9 
November eae 28 5 4 9 ee 5 5 
December... wae 41 10 5 15 2 3 5 
