168 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY, 
2580. Riley, 0. A"., and Howard, L. O. Living larvte in the ear. 
<Insect Life, v. 4, November, 1891, p. 159. 
Occurrence of Lucilia macellaria. 
2581. Riley, C. V., and Howard, L. O. A possible new insecticide. 
<Insect Life, v. 4, November, 1891, p. 161. 
Note on hydrazine sulphate. 
2582. Riley, 0. V., and Howard, L. O. A clerid beetle found in 
plush. <lnsect Life, v. 4, December, 1891, p. 203. 
Note on a species of Necrobia. 
2583. Riley, 0. V., and Howard, L. O. A twig-girdler of fig trees. 
<Insect Life, v. 4, December, 1891, p. 201. 
Note on Ptychodes 3-vittatus. 
2584. Riley, 0. Y., and Howard, L. O. The clover hay worm. <In- 
sect Life, v. 4, December, 1891, p. 206. 
Preventives against Asopia costalis. 
2585. Riley, 0. A T ., and Howard, L. O. The red-liumped caterpillar 
killed by parasites. <Insect Life, v. 4, December, 1891, p. 
207. 
Limneria ad cm a si o' on (Edemasia concinna. 
2586. Riley, C.Y., and Howard, L. O. Treatment of grain infested 
with Angoumois moths. <Insect Life, v. 4, December, 1891, 
pp. 207-208. 
2587. Riley, 0. V., and Howard, L. O. Treatment of the boll worm. 
<Insect Life, v. 4, December, 1891, pp. 208-209. 
2588. Riley, 0. A 7 ., and Howard, L. O. The strawberry leaf-roller. 
<Insect Life, v. 4, December, 1891, p. 209. 
Remedies for Phoxopteris compiana. 
2589. Riley, 0. V., and Howard, L. O. The woolly root-louse of the 
apple. < Insect Life, v. 4, December, 1891, pp. 210-211. 
2590. Riley, G. V., and Howard, L. O. The grape Phylloxera in the 
United States. <Insect Life, v. 4, December, 1891, p. 212. 
2591. Riley, G. A 7 ., and Howard, L. O. Mites on a maple aphid. 
< Insect Life, v. 4, December, 1891, p. 212. 
Records a species of Erythrwus attacking Drepanosiphum acerifolii. 
2592. Riley, C. V., and Howard, L. O. Scales from Tahiti. <Insect 
Life, v. 4, December, 1891, p. 213. 
Records Chionaspis hi cl avis, Mytilaspis citricola, and Aspidiotas aurantii. 
2593. Riley, C. A 7 ., and Howard, L. O. Plant-louse on celery. <Insect 
Life, v. 4, December, 1891, p. 213. 
Occurrence of Aphis pastinaci. 
2594. Riley, G. V., and Howard, L. O. The rose Diaspis. <Insect 
Life, v. 4, December, 1891, p. 213. 
Remedy for Diaspis rosce. 
2595. Riley, G. V., and Howard, L. O. The difficulty of disinfecting 
imported plants. <Insect Life, v. 4, December, 1891, p. 218. 
