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Notes: Stamp date in MCZ library: 1939.10.16.

Wesson, L. G.; Wesson, R. G. 1940. A collection of ants from southcentral Ohio. American Midland Naturalist 24:89-103. PDF
Westwood, J. O. 1839a. An introduction to the modern classification of insects; founded on the natural habits and corresponding organisation of the different families. Volume 2. Part XI. London: Longman, Orme, Brown, Green and Longmans, pp. 193-224. PDF

Notes: Date from Griffin (1932) and Blackwelder (1949a). Ants pp. 216-224.

Westwood, J. O. 1839b. An introduction to the modern classification of insects; founded on the natural habits and corresponding organisation of the different families. Volume 2. Part XII. London: Longman, Orme, Brown, Green and Longmans, pp. 225-256.

Notes: Date from Griffin (1932) and Blackwelder (1949a). Ants pp. 225-236.