511. Number 403 - An Alarm Reaction of Aquatic Gastropods to Intraspecific Extract: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1967 Format: Issue
512. Number 405 - Taxonomic Revision of the Nearctic Genus Acanthomyops (Hymenoptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
513. Number 406 - Pollination and Serological Procedures for Isolating Incompatibility Genotypes in the Crucifers: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
514. Number 407 - California Aphids in the Cornell University Collection (Homoptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1968 Format: Issue
515. Africana Studies Center Director Dr. James Turner in front of original Africana Center Collection: Images from the Rare Book and Manuscript Collections Location: Ithaca, New York Date: 1969-04 Format: Image Creator: Cornell University, News Service
516. Pres. James Perkins congratulating a PhD recipient at Commencement Collection: Images from the Rare Book and Manuscript Collections Location: Ithaca, New York Date: 1969-06 Format: Image Creator: Cornell University, News Service
517. Black students addressing a panel of CU administrators/faculty Collection: Images from the Rare Book and Manuscript Collections Location: Ithaca, New York Date: ca. 1969 Format: Image Creator: Cornell University, News Service
518. Number 404 - Biology of Pherbellia (Diptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1969 Format: Issue
519. Number 408 - Comparative Morphological Studies of the Ants, with Particular Reference to the Mouthparts (Hymenoptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1969 Format: Issue
520. Number 409 - Biology of the Gall Midge Rhopalomyia Hirtipes O.S. (Diptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1969 Format: Issue
