LITERATURE CITED 
(1) Doolittle, S. P., and Gilbert, W. W. 
1919. SEED TRANSMISSION OF CUCURBIT MOSAIC BY THE WILD CUCUMBER. 
Phytopathology 9 : 326-327. 
(2) Doolittle, S. P. 
1920. the mosaic disease of cucurbits. U. S. Dept. Agr. Bui. 879, 
69 pp., illus. 
(3) 
1921. the relation of wild host plants to the overwintering of 
cucurbit mosaic. (Abstract.) Phytopathology 11: 47. 
(4) and Walker, M. N. 
1923. cross-inoculation studies with cucurbit mosaic. Science 57: 
477. 
(5) and Walker, M. N. 
1925. further studies on the overwintering and dissemination of 
cucurbit mosaic. Jour. Agr. Research 31 : 1-58, illus. 
(6) Dudley, J. E., Jr., and Searles, E. M. 
1923. color marking of the striped cucumber beetle (diabrotica 
vittata FAB.) and preliminary experiments to determine its 
flight. (Abstract.) Jour. Econ. Ent. 16: 363-368, illus. 
(7) Gardner, M. W., and Kendrick, J. B. 
1922. tomato mosaic. Ind. Agr. Exp. Sta. Bui. 261, 24 pp., illus. 
(8) and Kendrick, J. B. 
1922. overwintering of tomato mosaic. Bot. Gaz. 73: 469-485, illus. 
(9) and Kendrick, J. B. 
1923. field control of tomato mosaic. Phytopathology 13 : 372-375. 
(10) Muncie, J. H. 
1923. the relation of cucurbit mosaic to wild catnip. Proc. Iowa 
Acad. Sci. (1922) 29: 346. 
(11) Walker, M. N. 
1925. the relation of certain species of physalis to the over- 
wintering of the mosaic disease of cucumber. Phytopathol- 
ogy 15 : 733-744, illus. 
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