EXTERMINATING THE TEXAS-FEVER TICK. 29 
lead paste and thoroughly nailed. Gutters are to have 3-inch fall in 
11 feet. 
Concrete vat.—The concrete vat should be made of concrete com- 
posed of 1 part by measure of good Portland cement, 3 parts of clean 
sharp sand, and 5 parts of broken rock, the broken rock to be not 
larger than will pass in any direction through a 2-inch ring. The 
rock should be washed free of dust. Concrete should be mixed wet 
and well tamped into place. 
Bill of materials for vat and draining pens.— Vat.—Lumber for vat 
when constructed of 2-inch material and 4 by 4 inch posts: 
SHE scone Beene eee ne SeSeaee 8 pieces 4 by 4 inches by 10 feet long. 
1 piece 4 by 4 inches by 16 feet long. 
1 piece 4 by 4 inches by 14 feet long. 
6 pieces 4 by 4 inches by 12 feet long. 
5 pieces 4 by 4 inches by 10 feet long. 
| piece 4 by 4 inches by 16 feet long. 
6 pieces 4 by 4 inches by 12 feet long. 
1 piece 4 by 4 inches by 10 feet long. 
1 piece 4 by 4 inches by 6 feet long. 
2 pieces 2 by 8 inches by 18 feet long. 
1 piece 2 by 8 inches by 16 feet long. 
2 pieces 2 by 8 inches by 12 feet long. 
1 piece 2 by 8 inches by 10 feet long. 
bs pieces 2 by 8 inches by 20 feet long. 
LSVEEWOXEIE ERT a 
(Cire Rios Se ae a ee 
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 bevelled for calking. 
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. 
T1KG Tbe te. ea 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 bevelled for calking. 
Cleats...................-.--.-- 4 pieces 2 by 4 inches by 12 feet long. 
Sir KGS ee Ae ET ee | 
Lumber for vat when constructed of flooring and 2 by 4 inch posts: 
SRE ee cee Ak oh se 5 7 pieces 2 by 4 inches by 14 feet long. 
Pokis is pieces 2 by 4 inches by 18 feet long. 
0 eee "~"~"" 4 pieces 4 by 4 inches by 11 feet long. 
15 pieces 2 by 4 inches by 12 feet long. 
1b LOE ss ee 2 pieces 2 by 4 inches by 10 feet long. 
2 pieces 2 by 4 inches by 16 feet long. 
Guards....................-.-.-. Materials the same as specified above. 
Sides.........................-. 550 feet b. m. $ by 8 inches tongue and grove floor- 
ing. 
al ciliate Seo rest anes 3 Se 2 Materials the same as specified above. 
Cleats............--.........--- Materials the same as specified above. 
378 
