88 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1450. Smith, J. B. The apple plant louse. <Bull. No. 143, New 
Jersey Agric. Exper. Sta., March, 1900, pp. 23, figs. 32. 
Full account of Aphis mali Fab. 
1451. Smith, J. B. Directions for treating the tulip scale. <Entom. 
Cir. No. 1, N. J. State Bd. Agric., 1900, pp. 2. 
1452. Smith, J. B. Arsenical poisons and how to use them. <Entom. 
Cir. No. 2, N. J. State Bd. Agric., 1900, pp. 2. 
1453. Smith, J. B. Kerosene as an insecticide. <Entom. Cir. No. 
3, N. J. State Bd. Agric., 1900, pp. 2. 
1454. Smith, J. B. Cottony maple scale. <Entom. Cir. No. 4, N. 
J. State Bd. Agric., 1900, pp. 2. 
1455. Smith, J. B. Whale oil soap and its uses. <Entom. Cir. No. 
5, N. J. State Bd. Agric., 1900, pp. 2. 
1456. Smith, J. B. How to treat the San Jose scale. <Entom. Cir. 
No. 6, N. J. State Bd. Agric., 1900, pp. 2. 
.1457. Smith, J. B. Elm leaf beetle. <Entom. Cir. No. 7, N. J. State 
Bd. Agric., 1900, pp. 2. 
1458 . Smith, J. B. The bag-worm or drop-worm. <Entom. Cir. 
No. 8, N. J. State Bd. Agric., 1900, pp. 2. 
1459. Smith, J. B. Vaporer moth. <Entom. Cir. No. 9, N. J. State 
Bd. Agric., 1900, pp. 2. 
1460. Smith, J. B. Cabbage worms. <Entom. Cir. No. 10, N. J. 
State Bd. Agric., 1900, pp. 2. 
1461. Smith, J. B. Cutworms. <Entom. Cir. No. 11, N. J. State 
Bd. Agric., 1900, pp. 2. 
1462. Smith, J. B. Codling moth. <Entom. Cir. No. 12, N. J. State 
Bd. Agric., 1900, pp. 3. 
1463. Smith, J. B. Arsenate of lead. <Entom. Cir. No. 13, N. J. 
State Bd. Agric., 1900, pp. 2. 
1464. Smith, J. B. Apple borer. <cEntom. Cir. No. 14, N. J. State 
Bd. Agric., 1900, pp 2. 
1465. Smith, J. B. Lime as an insecticide. <Entom. Cir. No. 15, 
N. J. State Bd. Agric., 1900, pp. 2. 
1466. Smith, J. B. Tobacco as an insecticide. <Entom. Cir. No. 
16, N. J. State Bd. Agric., 1900, pp. 2. 
1467. Smith, J. B. The plum curculio. <Entom. Cir. No. 17, N. J. 
State Bd. Agric., 1900, pp. 2. 
1468. Smith, J. B. Asparagus beetles. <Entom. Cir. No. 18, N. J. 
State Bd. Agric., 1900, pp. 2. 
1469. Smith, J. B. Scurfy scale. <Entom. Cir. No. 19, N. J. State 
Bd. Agric., 1900, pp. 2. 
