BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
191 
1458. Riley, C. Y. Small borer in apple-twig. <Colman’s Rural 
World, 26 January, 1876. S.-b. No. 10, p. 1. 
Answer to letter of F. Holsinger; description and habits of Psenocerus super- 
notatu8. 
1459. Riley, C. Y. Worms on cottonwood. <Oolman’s Rural World, 
26 January, 1876. S.-b. No. 10, pu 1. 
Answer to letter of J. H. Davidson ; occurrence of larvae of Drasteria erechthea 
on Pop ulus monilifera and on Trifolium ; description of the imago. 
1460. Riley, C.Y. Ailanthus silk-worm in Missouri. <Colman’s Rural 
World, 27 January, 1876. S.-b. No. 10, p. 2, 
Answer to letter of “ Subscriber extent and unprofitableness of the culture 
of Samia \_—Atlacus~\ cynthia ; naturalization of the worm in the United 
States. 
1461. R[iley], C.Y. Cause of smut in wheat. <Colman’s Rural World, 
26 January, 1876. S.-b. No. 10, p. 2. 
Critical review of a report by Pulaski Grange, Tenn., on the cause of smut in 
wheat; absurdit 3 r of the report; occurrence of Brachytarsus variegatus in 
the smut, and of larvae of Cecidomyia, Meromyza, and Chlorops in the lower 
joints of wheat; smut caused by Ustilago segetum. 
1462. Riley, C. Y. Colorado potato-beetle’s native home. <N. Y. 
Tribune, 9 February. 1876. S.-b. No. 10, pp. 12-13. 
Geographical distribution of Doryphora decernlineata prior to 1859. 
« 
1463. Riley, C. Y. An entomological question. <Prairie Farmer, 26 
February, 1876, v. 47, p. 68. S.-b. No. 10, pp. 4, 5; No. 42, pp. 
76, 77. See: <Prairie Farmer, 4 March, 1876, v. 47, p. 76. 
S.-b. No. 10, p. 4. 
Reply to Proximo’s “An entomological question;” commendation of legisla¬ 
tive efforts to effect the appointment of a national entomological commis¬ 
sion ; text of the two bills introduced into Congress; criticism of the 
same. 
1464. Riley, C. Y. Insect ravages. An interesting letter from Prof. 
C.Y. Riley. How to protect our agricultural interests; legis¬ 
lation, wise and otherwise; the duty of Congress. <St. Louis 
Daily Globe-Democrat, 4 March, 1876, v. 1, p. 3. S.-b. No. 10, 
pp. 5-8. 
Importance and extent of injuries inflicted by insects in North America; no¬ 
tice of existing legislation upon means against injurious insects; state¬ 
ment of legislation needed for protection against locusts; criticism of bills 
introduced into Congress for the appointment of a national entomological 
commission. 
1465. Riley, C. Y. Notes on the Yucca borer, Megathymus yuccce , 
Walk. <Trans. Acad. Sci. St. Louis, 10 January-23 March, 
1876, v. 3, pp. 323-344, figs. 25-31. Separate: <St. Louis, Mo., 
January, 1876, pp. 23, figs. 25-31. Reprint: <8th Ann. Rept. 
State Ent. Mo., May, 1876, pp. 169-182, figs. 40-55, 
See No. 1482 for synopsis of contents; see No, 1602, 
