OBSERVATORY BEEHIVE FOR PERMANENT USE. 69 



to about the centre of the hive as shown at D. The 

 floor-board may be nailed to the cross and side 

 pieces. Nail the alighting-board E to the sloping 



i 



WiW$&^J.'$$ 



" ' '>"'''' \s * f ^ ' ' '-" ' ' ^ \ Ti "> . * *'* 



gg ^l3p l^ffe '-f^4. 





Fig. 66. Vertical Section through Observatory Beehive. 



front of the side-pieces, taking care that the top 

 comes level with the bottom of the recess in the 

 floor-board. 



The brood chamber is a plain bottomless box 

 of f-in. deal, 1 ft. 5 in. by 1 ft. 4j in. inside and 



