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APPENDIX. 



or seventeen inches in width, so as to form a shoulder for 

 the collateral appendages to rest upon at the outside of the 

 Imes W, W. LAt the lines A, A, A, A, from the inside of 



the hive's bottom, the plank is worked out into the form of 

 a quadruple inclined plane, resembling the " hopper" of a 

 common grist-mill. . Thp thickness of the plank at X should 

 be somewhat less than an inch. In the centre (at X) a hole 

 is bored with a three-inch centre-bit, and a till tube, two , 

 inches long, closely fitted, with six hall moh holes, at uniform 

 distances near its lower edge. This tube is confined in its 

 place by small nails, and should extend an inch or more 

 beyond the nether surface of the bottom board, with a lining of 



