na INLIS000000000023870 Ind 0010-1218005708 Insect migration WILLIAMS, C.B. C.B. Williams Collins St. JAmes 1958 xiii, 234 p. : ill. ; 24 cm + App. xiii, 234 p. : ill. ; 24 cm + App. 595.7WILi Bibl.: p. 210-218.-- Index: p. 227-234 595.7 INSECTA MIGRATION PESTS 798/61