46 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
557. Howard, L. O. Food plants of the “cotton-stainer.” <Bull. 
No. 10, n. s., Div. Ent., U. S. Dept. Agric., March, 189S, pp. 
95-96. 
558. Howard, L. O. Collecting locust eggs in Morocco. <Bull. 
No. 10, n. s., Div. Ent., U. S. Dept, Agric., March, 1898, p. 96. 
559. Howard, L. O. Poisoning grasshoppers in Natal. <cBull. No. 
10, n. s., Div. Ent., U. S. Dept. Agric., March, 1898, pp. 
96-97. 
Methods used in that country. 
560. Howard, L. O. Collecting grasshoppers in New Hampshire. 
<Bull. No. 10, n. s., Div. Ent., U. S. Dept. Agric., March, 
1898, p. 97. 
Results of State law for ten years. 
561. Howard, L. O. Notes from correspondence. <Bull. No. 10, 
n. s., Div. Ent., U. S. Dept. Agric., March, 1898, pp. 97-99. 
Notes on many insects. 
562. Howard, L. O. A new egg parasite of the periodical cicada. 
<Can. Entom., April, 1^99, pp. 102-103. 
563. Howard, L. O. Work of the Division of Entomology. <Year- 
book U. S. Dept. Agric. f. 1897 (May, 1898), pp. 81-89. 
561. Howard, L. O. Danger of importing insect pests. < Year¬ 
book U. S. Dept. Agric. f. 1897 (May, 1898), pp. 529-552, 19 
figs. 
Treats of various foreign insects which may be introduced into this country. 
565. Howard, L. O. Remedial work against the Mexican cotton-boll 
weevil. <Cir. No. 33, s. s.,Div. Ent., U. S. Dept. Agric., 
July, 1898, pp. 6. 
Methods of combating Anthonomus grandis. 
566. Howard, L. O. Two beneficial insects introduced from Europe. 
<Bull. No. 17, n. s., Div. Ent., U. S. Dept. Agric., Novem¬ 
ber, 1898, pp. 13-16, 2 figs. 
Notes on Scutellista cyanea and Habrolepis dalmani. 
567. Howard, L. O. Notes on house flies and mosquitoes. <Bull. 
No. 17, n. s., Div. Ent., U. S. Dept. Agric., November, 1898, 
pp. 55-56. 
Remedies for these pests. 
568. Howard, L. O. Pulvinaria acericola (W. & R.) and P. innu- 
merabilis Rathv. <cBull. No. 17, n. s., Div. Ent., U. S. Dept. 
Agric., November, 1898, pp. 57-58, 1 fig. 
Showing them to be distinct species. 
569. Howard, L. O. The San Jose scale on dried fruit. <Bull. No. 
18, n. s., Div. Ent., IT. S. Dept. Agric., 1898, pp. 7-13. 
An account of experiments in drying infested fruit. 
