BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
184 
2850. Schwarz, E. A. Notes on Cicada septendecim in 1889. <Proc. 
Ent. Soc. Wash., v. 1, pp. 230-231, 1890. 
2851. Schwarz, E. A. Food plants and food-habits of some North 
American Coleoptera. <Proc. Ent. Soc. Wash., v. 1, pp. 231- 
233, 1890. 
2852. Schwarz, E. A. Sudden spread of a new enemy to clover. 
<Proc. Ent. Soc. Wash., v. 1, pp. 248-249,1890. 
Abundance of Sitones hispidulus. 
2853. Schwarz, E. A. An interesting food-plant of Pieris rapce. 
<Proc. Ent. Soc. Wash., v. 1, pp. 250-251, 1890. 
Found on Calcile americana. 
2854. Schwarz, E. A. Phytopliagic dung-beetles. <Insect Life, v. 3, 
August, 1891, pp. 484-485. 
Note on tlie European Lethrus cephalotes. 
2855. Schwarz, E. A. Injurious insects of Utah. <Insect Life, v. 4, 
October, 1891, pp. 74-75. 
285G. Schwarz, E. A. Coleoptera on black locust ( Bobinia pseuda- 
cacia ). <Proc. Ent. Soc. Wash., v. 2, pp. 73-76,1891. 
2857. Schwarz, E. A. Notes on the breeding habits of some Seolytids. 
<Proc. Ent. Soc. Wash., v. 2, pp. 77-80, 1891. 
Remarks on Xyloterus politus, Xyleborm fuscatus, X. pubescens and Cnesinus 
strigicollis. 
2858. Schwarz, E. A. Contribution to the life history of Corthylus 
punctatissimus and description of C. spinifer n. sp. <Proc. 
Ent. Soc. Wash., v. 2, pp. 109-115,1891. 
2859. Schwarz, E. A. Note on the food habits of some Halticids. 
<Proc. Ent. Soc. Wash., v. 2, pp. 182-184,1892. 
2860. Schwarz, E. A. The San Jose scale at Charlottesville, Ya. 
<Insect Life, February, 1894, pp. 247-252. 
2861. Schwarz, E. A. Note on Hylesinus sericeus. <Insect Life, v. 7, 
December, 1894, pp. 254-256,1 fig. 
2862. Schwarz, E. A. The cotton worm question in 1894. <Insect 
Life, v. 7, March, 1895, pp. 315-320. 
2863. Schwarz, E. A. Are tumble-bugs beneficial ? <Insect Life, v. 
7, March, 1895, pp. 358-359. 
2864. Schwarz, E. A. The Hippelates plague in Florida. <Insect 
Life, v. 7, July, 1895, pp. 374-379, 2 figs. (Sci. Amer. Suppl., 9 
November, 1895, p. 16561.) 
Annoyance caused by various species of Hippelates. 
2865. Schwarz, E. A. An imported library pest. <Insect Life, v. 7, 
July, 1895, pp. 396-398, 1 fig. 
Treats of Nicobinm hirtum. 
2866. Schwarz, E. A. A new furniture pest. <Insect Life, v. 7, July, 
1895, pp. 419-420. 
Note on Xyletinus peltatus. 
