40 THE ROCKY MOUNTAIN SPOTTED FEVER TICK. 
Vat—Continued. 
Sides— 
18 pieces 2 by 8 inches by 20 feet long. 
25 pieces 2 by 8 inches by 18 feet long. 
2 pieces 2 by 8 inches by 16 feet long. 
2 pieces 2 by 6 inches by 18 feet long. 
Dressed one side and two edges. 
Edges beveled for calking. 
Floor— 
3 pieces 2 by 10 inches by 20 feet long. 
2 pieces 2 by 10 inches by 16 feet long. 
1 piece 2 by 10 inches by 14 feet long. 
1 piece 2 by 10 inches by 7 feet long. 
1 piece 2 by 12 inches by 12 feet long. 
Dressed one side and two edges. 
Edges beveled for calking. 
Cleats, 4 pieces 2 by 4 inches by 12 feet long. 
Lumber for draining pens: 
Mud sills, 10 pieces 4 by 12 inches by 2 feet long (cedar or cypress). 
Sleepers, 4 pieces 6 by 6 inches by 12 feet long. 
Joists, 18 pieces 2 by 12 inches by 12 feet long. 
Floor, 560 feet b. m. tongue-and-gréove flooring ~ by 8 inches, 12-foot pieces. 
Cleats, 265 linear feet 1 by 3 inches. 
Gutters— 
Sides, 4 pieces 2 by 12 inches by 11 feet long (dressed). 
sottom and ends, 2 pieces 2 by 12 inches by 12 feet (dressed). 
Bottom housed into side and ends. Ends housed into sides. All 
joints calked and white leaded or pitched. 
Posts— 
11 pieces 4 by 4 inches by 7 feet long. 
2 pieces 4 by 4 inches by 8 feet long. 
2 pieces 4 by 4 inches by 9 feet long. 
Rails— 
2 pieces 2 by 8 inches by 18 feet long. 
5 pieces 2 by 8 inches by 16 feet long. 
18 pieces 2 by 8 inches by 12 feet long. 
Braces, 2 pieces 2 by 4 inches by 10 feet long. 
Gates— 
7 pieces 1 by 6 inches by 12 feet long. 
6 pieces 1 by 6 inches by 10 feet long. 
Hardware for vat and draining pens: 
4 pairs 12-inch heavy T hinges and screws. 
4 wrought-iron hooks and staples. 
1 pair wrought-iron hook hinges, 12-inch, wood screw hooks, and screws. 
50 pounds 20-penny wire nails. 
15 pounds 10-penny wire nails. 
12 square feet No. 16 galvanized iron. 
The vat described is of the proper depth for cattle and horses. 
For sheep a platform should be provided which will rest on legs long 
enough to bring this platform 4 feet below the surface of the dip. 
This can be easily made so that it can be removed or replaced in a 
