BIRD'S EGGS, SUPPLIES, KTC. 63 



IN A CLUTCH, 



NORTH AMERICAN BIRDS, 



APPROXIMATELY GIVEN. 



The Arrangement into Families is according to Ridgway's 

 Nomenclature. 



Ridgway's Number of Eggs 



Number. in a Clutch. 



TiirdicUe, . THRUSHES. 



1-13 Four or Five 



14-18 Two or Three 



Cinclidffi, DIPPERS. 

 19 Four or Five 



Luscinidae, BLUE-THROATS. 

 20 Four or Five (?) 



Saxicolidse, Stone Chats and Bluebirds. 

 21-24 Four to Six 



Ptilogonatidse, FLY-SNAPPERS. 

 25-26 Two or Three 



Sylviida?, Gnatcatchers, Kinglets. 



27-29 Four or Five 



30-34 Six to Ten (?) 



Chamceidae, WREN-TITS. 



35.. 



