Willis, Harold R., authorJones, Charles R. 1879-, advisorLory, Charles Alfred, 1872-1969, committee memberSandsten, E. P. (Emil Peter), 1868-, committee memberJohnson, S. Arthur (Samuel Arthur), 1866-1943, committee member2016-12-132016-12-131934http://hdl.handle.net/10217/178713masters thesesengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.MothsText