Sbst Boxes Blilt of Lumber. 



. , f „f tl,P nest bo«3 as they face the inte.ioi of the squab house. 'Che, 



This shows the front of the nest ^"^"^ "■' ^ ^H ,,t variation does not 



„e from ten to twelve inches square, and the »^^; "^^ ^^^^l It is not necessary to nail 



-"^.'- "^ f r:: :: z:::z^^^^^:^^'^^^- -- -■ -' '^ "• 



up pieces of board to keep n pp '^ approached from a passageway, as shown 



^:r;nr:: ::::r-r;rr'.. ->. r^hich case you wi,i .t at the nes. 



by goiuR into the interior of the squab house. 



