EXPLANATION OF PLATES. 381 



long, in the centre of the length of the piece, between the gage 

 marks, and slanting upwards, so that the lower side of the slot 

 will come even with the top of the piece on which the frames 

 rest. 



This entrance, which is proposed for trial, may also be made 

 at the back of the hives, and in Hive No. 1 . 



Hive No. 3. Observing-Hive (p. 332). Figs. 14 and 15, page 36. 



Fig. 14, is a side view, and Fig. 15. a vertical cross-section. 



(a) Base-board, 24f"x4i"x". An entrance-hole, ". is bored 

 3^ inches deep into the end of (a), and two holes are bored in its 

 centre, " in diameter and 1|-" from centre to centre, the wood 

 being cut out between them, (b) Bottom of hive, 2J" x 1 8$" X -|" ; 

 make a rabbet at both upper corners, f" on x $" deep ; start a 

 |" hole, 1" from the end, and bore slanting, to meet entrance-hole 

 in (a), and make a hole in the centre to match centre hole in (a), 

 for a ventilator, and cover with wire-gauze on the inside, (c) 

 Front and rear of hive, H" x 2" x 1 0-J-" ; rabbet the inner corners, 

 up and down, i"xi": make a ventilator in each piece, like the 

 one in (a) : f " from the upper ends, cut in \" ; and " from the 

 lower end. cut in J". (d) Side strips. $" x 1" x 20$ " ; on one cor- 

 ner of each, rabbet on, i". and in, " for the glass, (e) Movable 

 cover, 21i"x4i"x4-"; holes may be made in this cover, as in 

 Fig. 21, over which glass receptacles for honey may be placed. 

 (/) Glass, two panes, 9"xl8$". (g) Alighting-board, 4" x 4t" 

 xi". (h) Clamps on base-board, 4fc"x 2" x". (i and y) Clamps 

 on cover, and ledges on hive, four pieces, 4i" x 1" X i". 



Hive No. 4, Double-story Glass Hive. Figs. 19, 20, 21, 22, and 

 23, pages 48, 68, 88, and 96. 



This and the following hive are not intended for general use in 

 the Apiary, but for those who want one or more elegant hives. 



Fig. 19 is a perspective view with the cover down. Fig. 20 is 

 a perspective view with the cover elevated, so as to show the 

 working of the bees, both in the main hive and the upper honey- 

 box. Fig. 21 is a plan of the lower part of the hive, showing the 

 surplus honey-board in place, and the holes made in it to allo\v 



