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, I2, G, and K; raise door posts E, fastening 

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

 to K. (Fig. Z7-) 



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 {h) 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 (6) are nailed 

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

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

 the other (c^) i foot 11 inches; the longer portion 

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

 portion (c^) 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 



