Sound Production and Sound Reception by Insects — A Bibliography, by Mable Frings and Hubert Frings. The Pennsylvania State University Press, University Park, Pa., 1960. 108 pages. Price $4.00. - A Manual of Common Beetles of Eastern North America by Elizabeth S. Dillon and Lawrence S. Dillon. Row, Peterson and Co.; Evanston, Illinois; Elmsford, New York; 1961, 884 pp., 81 plates, 544 figs. (Price $9.25). - Louis Agassiz: a Life in Science, by Edward Lurie, xii + 449 pp., ill., University of Chicago Press, Chicago 37, Ill., U.S.A., University of Toronto Press, Toronto 5, Ont., Canada, 1960. Price $7.50.

1961 ◽  
Vol 93 (8) ◽  
pp. 719-720
Author(s):  
Eugene Munroe ◽  
Henry F. Howden ◽  
Eugene Munroe
Author(s):  
Robert Speers

1986 ◽  
Vol 60 (4) ◽  
pp. 965-967
Author(s):  
William F. Koch

Delthyris sculptilis Hall, 1843, from the Middle Devonian Hamilton Group of New York and equivalent rocks elsewhere in eastern North America, has long been assigned to the genus Delthyris or, in certain older studies, to the genus Spirifer. Recent restudy of this brachiopod shows that it belongs to the genus Megakozlowskiella Boucot, 1962. This extends the upper limit of Megakozlowskiella from the Eifelian (Southwood Stage, Onondaga Limestone in New York) to the Givetian (Tioughnioga Stage, Moscow Formation of the Hamilton Group in New York).


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