Some Publications of the ILLINOIS NATURAL HISTORY SURVEY 



BULLETIN 



Volume 27, Article 4.— Food Habifs of Migratory 

 Ducks in Illinois. By Horry G. Anderson. August, 

 1959. 56 pp., frontis., 18 figs., bibliog. 50 cents. 



Volume 27, Article 5. — Hoi,ok-and-Line Catch in 

 Fertilized and Unfertilized Ponds. By Donald F. 

 Hansen, George W. Bennett, Robert J. Webb, and 

 John M. Lewis. August, 1960. 46 pp., frontis., 

 11 figs., bibliog. Single copies free fo Illinois 

 residents; 25 cents to others. 



Volume 27, Article 6. — Sex Ratios and Age Ratios 

 in North American Ducks. By Frank C. Bellrose, 

 Thomas G. Scott, Arthur S. Hawkins, and Jessop 

 B. Low. August, 1961. 84 pp., 2 frontis., 23 figs., 

 bibliog. $1.00. (Make check payable to Uni- 

 versity of Illinois; mail check and order to Room 

 279, Natural Resources Building, Urbana, Illinois.) 



Volume 28, Article 1. — The Amphibians and Reptiles 

 of Illinois. By Philip V/. Smith. November, 1961. 

 298 pp., frontis., 252 figs., bibliog., index. $3.00. 



Volume 28, Article 2. — The Fishes of Champaign 

 County, Illinois, as Affected by 60 Years of Stream 

 Changes. By R. Weldon Larimore and Philip W. 

 Smith. March, 1963. 84 pp., frontis., 70 figs., 

 bibliog., index. 50 cents. 



CIRCULAR 



39. — How to Collect and Preserve Insects. By H. H. 

 Ross. July, 1962. (Sixth printing, with altera- 

 tions.) 71 pp., frontis., 79 figs. Single copies free 

 fo Illinois residents; 25 cents to others. 



46. — Illinois Trees: Their Diseases. By J. Cedric 

 Carter. April, 1961. (Second printing, with al- 

 terations.) 99 pp., frontis., 93 figs. Single copies 

 free to Illinois residents; 25 cents to others. 



47. — Illinois Trees and Shrubs: Their Insect Enemies. 

 By L. L. English. March, 1962. (Second printing, 

 with revisions.) 92 pp., frontis., 59 figs., index. 

 Single copies free to Illinois residents; 25 cents 

 to others. 



BIOLOGICAL NOTES 



39. — A Guide to Aging of Pheasant Embryos. By 

 Ronald F. Labisky and James F. Opsahl. Septem- 

 ber, 1958. 4 pp., illus., bibliog. 



40. — Night Lighting: A Technique for Capturing 

 Birds and Mammals. By Ronald F. Labisky. July, 

 1959. 12 pp., 8 figs., bibliog. 



41. — Hawks and Owls: Population Trends From Illi- 

 nois Christmas Counts. By Richard R. Graber and 

 Jack S. Golden. March, 1960. 24 pp., 24 figs., 

 bibliog. 



42. — Winter Foods of the Bobwhife in Southern Illi- 

 nois. By Edward J. Larimer. May, 1960. 36 pp., 



1 1 figs., bibliog. 



43. — Hot-Water and Chemical Treatment of Illinois- 

 Grown Gladiolus Cormels. By J. L. Forsberg. 

 March, 1961. 12 pp., 8 figs., bibliog. 



44. — The Filmy Fern in Illinois. By Robert A. Evers. 

 April, 1961. 15 pp., 13 figs., bibliog. 



45. — Techniques for Determining Age of Raccoons. 

 By Glen C. Sanderson. August, 1961. 16 pp., 

 8 figs., bibliog. 



46. — Hybridization Between Three Species of Sun- 

 fish (Lepomis). By William F. Childers and George 

 W. Bennett. November, 1961. 15 pp., 6 figs., 

 bibliog. 



47. — Distribution and Abundance of Pheasants in 

 Illinois. By Frederick Greeley, Ronald F. Labisky, 

 and Stuart H. Mann. March, 1962. 16 pp., 16 

 figs., bibliog. 



48.— Systematic Insecticide Control of Some Pests 

 of Trees and Shrubs — A Preliminary Report. By 

 L. L. English and Walter Hartstirn. August, 1962. 



12 pp., 9 figs., bibliog. 



49. — Characters of Age, Sex, and Sexual Maturity 

 in Canada Geese. By Harold C. Hanson. Novem- 

 ber, 1962. 15 pp., 13 figs., bibliog. 



MANUAL 



4. — Fieldbook of Illinois Mammals. By Donald F. 

 Hoffmeister and Carl O. Mohr. June, 1957. 233 

 pp., color frontis., 119 figs., glossary, bibliog., 

 index. $1.75. 



List of available publicafions mailed on request. 



Single copies of ILLINOIS NATURAL HISTORY SURVEY publications for which no price is listed will be 

 furnished free of charge to individuals until the supply becomes low, after which a nominal charge may be 

 made. More than one copy of any free publication may be obtained without cost by educational institutions 

 and official organizations within the State of Illinois; prices to others on quantity orders of these publications 

 will be quoted upon request. 



Address orders and correspondence to the Chief, ILLINOIS NATURAL 

 HISTORY SURVEY, Natural Resources Building, Urbana, Illinois 



Payment in the form of money order or check made out to State Treasurer of Illinois, Springfield, Illinois, 

 must accompany requests for those publicafions on which a price is set. 



