178 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
2749. Riley, C. V., and Howard, L. O. An enemy of tlie oyster- 
sliell bark-louse of the apple. <Insect Life, v. 5, July, 1893, 
p. 302. 
Note on Tyroglyphus mains. 
2750. Riley, 0. V., and Howard, L. O. Why insects infest plants. 
<Insect Life, v. 5, July, 1893, pn 305. 
2751. Riley, C. V., and Howard, L. O. Insect legislation in Massa¬ 
chusetts. <Insect Life, v. 5, July, 1893, p. 305. 
2752. Riley, C. V., and Howard, L. (). Borers in fig-trees. <Insect 
Life, y. 5, July, 1893, pp. 305-300. 
Accounts of damage, probably by Ptychodes vittatus. 
2753. Riley, O. V., and Howard, L. O. An important predatory 
insect. <Insect Life, v. 0, November, 1893, pp. G-10, 1 fig. 
Treats of the European Erastria scitula. 
2754. Riley, O. V., and Howard, L. O. The corn-root plant-louse. 
< Insect Life, v. 0, November, 1893, p. 32. 
2755. Riley, C. V., and Howard, L. O. Termites swarming in houses. 
<Insect Life, v. 0, November, 1893, p. 35. 
2750. RiLEY r , O. V., and Howard, L. O. The juniper bark-borer in 
Nebraska. <Insect Life, v. 0, November, 1893, p. 38. 
Note on Phlceosinus dentatns. 
2757. RiLEi r , O.Y., and Howard, L. O. Anew scale insect in Florida. 
<Insect Life, v. 0, November, 1893, p. 39. 
A new species of Diaspis found on peacli and plum trees. 
2758. Riley, G. V., and Howard, L. (). An army worm occurrence. 
<Insect Life, v. 0, November, 1893, p. 41. 
2759. Riley, O. V., and Howard, L. O. Kerosene emulsion against 
the hop louse. <Insect Life, v. 0, November, 1893, p. 41. 
2700. Riley, C. V., and Howard, L. O. The sweet potato weevil in 
Jamaica. <Insect Life, v. 0, November, 1893, pp. 43-44. 
Occurrence of Cylas formicarius. 
2701. Riley", O. V., and Howard, L. O. An interesting observation 
on the larva of JEphestia Icuelmiella. <Insect Life, v. 0, 
November, 1893, pp. 44-45. 
2702. Riley, C. V., and Howard, L. O. The carnation “Twitter.” 
<Insect Life, v. 0, November, 1893, p. 45. 
Undetermined insect affecting carnations. 
2703. Riley, C. V., and Howard, L. O. A mealy bug enemy to sugar 
cane in the West Indies. <Insect Life, v. 0, November, 18:>3, 
pp. 45-40. 
A note on damage by an undescribed species. 
2704. Riley% G. V., and Howard, L. O. The Egyptian Icerya in India. 
<Insect Life, v. 0, November, 1893, p. 40. 
2705. Riley, O. Y., and Howard, L. O. A strawberry enemy in 
Jamaica. <Insect Life, v. 0, November, 1893, p. 47. 
Damage by Prcepodins amabilis. 
