Folder S261

Scope and Contents This collection includes hand-written and typed papers by Howard Walton Clark, which were written in 1927 and donated in 1948. Four articles are entitled "Utricularia Inflata in California, with Some General Remarks Concerning the Bladderworts." Three of the articles are hand-written and one is typed. A one-page hand-written article is entitled "A Study of Fresh-Water Pearls, Part I, Field Investigation." A two-page, hand-written letter dated March 26, addressed to Barton Warren Evermann,...