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, 1898, 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. <Bull. 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, 1899, pp. 102-103. 



563. HOWARD, L. O. Work of the Division of Entomology. <Year- 



book U. S. Dept. Agric. f. 1897 (May, 1898), pp. 84-89. 



564. HOWARD, L. O. Danger of import'ing 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 tigs. 

 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. Pldvinaria acericola (W. & R.) and P. innu- 



merabilis Rathv. <Bull. 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, U. S. Dept Agric., 1898, pp. 7-13. 

 An account of experiments in drying infested fruit. 



