Corrections and ClarificationsERRATUM


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Science  15 Feb 1985:
Vol. 227, Issue 4688, pp. 704
DOI: 10.1126/science.227.4688.704-c


In the letter from Deam H. Ferris (11 Jan., p. 118), the last sentence of the second paragraph should have read, "The trypanosome spread by the tsetse fly cannot be distinguished morphologically, physiologically, and according to isoenzymatic tests from American stocks carried by tabanids; the disease is the same."