386 
EXPLANATION OF PLATES. 
lar chccl-s to hold the case when elevated, two pieces, 3" long X 1J' 
X J" at one end, and X " at the other. Guides on outside of 
case (see Pig. 19, p. 48), four pieces, 1^'' X 2" X J". Cover to up¬ 
per ventilator of case, one piece, 24" X 1" X hung on buttons 
witli screws ; this ventilator is made by boring holes about in 
diameter in the rear of upper pai-t of case, below (q). 
No. 2, Box Hive, as made by Mr. Colvin, see drawing on page 
390, with box-cover and observing-glass in rear end. 
Bottom (in two pieces only, plowed and grooved together, the 
grain of the wood running across the hive), 24J"X14J"XJ"; rabbet 
across under side of endSiV’o'b I's" >°i forming tongue, ,'s"X on 
upper side of ends, which are let into groove in sides. Sides, two 
pieces, 24’," X 10 J" X cut out from front end on top edge, 4" X 
1^" deep, for portico roof; on inside, ft" up from bottom edge, cut 
a groove ft" X ft" the entire length, to receive tongue on bottom- 
board ; 4” back from front cud, from 1|" up from bottom edge, cut 
a groove ft" X to within of the top edge to let in front; 
(these sides arc nailed to bottom same as No. 5). Portico roof, 
one piece, 17^" X 4|" X J"; bevel on top side, to i" thick at front 
edge, back 2;J"to full thickness ; front edge rounded from upper 
side. Front, one piece, UJ" X 8J" X I", let into sides ft" at 
each end. Observing-glass in rear, 14" X G" ; strips to form 
rabbet for glass, y X a", nailed all around the space left for the 
glass, and within ft" of inside of hive. Hear end, two pieces, 
14^" X 11" X I", one of these nailed to a piece 15f" X 1^" X I", so 
that the bottom edges will be Hush with each other, is to be dove¬ 
tailed into the ends of sides y up from the top side of bottom- 
board, the other to be nailed to a piece 14^" X X 2^", on one 
side, and 1 y on the other, the top edge of the inside piece below 
the outside piece ; then nail these pieces between the sides of 
hive, so that the sipiare edge and widest side come Hush with the 
ends and tops of sides. Cover for observing-glass, one piece, 
14" X a" X GJ" inside X G^" outside, the bevel being made on 
the upper edge; clamps on this cover, two pieces, GJ" X X J", 
screwed in the middle and nailed at ends on the outside of cover, 
each projecting ^"over its end to cover the joint. Ledges around 
