Euglena, chromatography, undated

There are 14 boxes of photographs of cultures and laboratory subjects that supplement the research record (see Series 6). Major subjects include Acacia, Bryophyllum, Coleus, Hedera, dermatophytes, Drosophila, Euglena, Morchella, Penicillium, Phycomyces, Polyporus, Poria, Stereum, Tomato roots, Trichophyton, and various species of fungi. Photographs are cross-referenced with corresponding negatives. There are some microphotographs of microscopic organisms as well as portraits of Dr. Robbins and colleagues.