296 THE HOUSE FLY DISEASE CARRIER 



First lay down the sills marked A and join them 

 with the joist marked B; then nail in position the two 

 joists marked C, with their ends 3 inches from the 

 outer edge of A; raise the corner posts (D and F), 

 spiking them at bottom to A and C, and joining them 

 with L, 1 2 , G, and K; raise door posts E, fastening 

 them at /, and then spike 7 X in position ; H is fastened 

 to K. (Fig. 37.) 



Sides. Each side requires four boards (a) 12 inches 

 wide by i inch thick and 8 feet 6 inches long; these are 

 nailed to K, L, and A. (Fig. 37.) The corner boards 

 are notched at G, allowing them to pass to bottom or 

 roof; draw a slant from front to back at G-G, on the 

 outside of the boards, and saw the four side boards 

 to correspond with this slant. (Fig. 39.) 



Back. The back requires two boards (b) 12 inches 

 wide by i inch thick and 6 feet 1 1 inches long, and two 

 boards 12 inches wide by i inch thick and 6 feet 5 

 inches long. The two longest boards (b) are nailed 

 next to the sides ; the shorter boards are each sawed in 

 two so that one piece (c 1 ) measures 4 feet 6 inches, 

 the other (c 2 ) i foot n inches; the longer portion 

 (c 1 ) is nailed in position above the seat; the shorter 

 portion (c 2 ) is utilized in making the back door. 



Floor. The floor requires four boards (d) which 

 (when cut to fit) measure I inch thick, 12 inches wide, 

 and 3 feet 10 inches long. (Fig. 38.) 



Front. The front boards may next be nailed on. 

 The front requires (aside from the door) two boards 

 (E) which (when cut to fit) measure i inch thick, 9 



