Synopses & Reviews
Synopsis
Excerpt from Bulletin of the Museum of Comparative Zoology, Vol. 70: At Harvard College, in Cambridge
Sixty-three years ago, when the first fossil insects were discovered in American Tertiary rocks, a new era began in the study of the geo logical history of the insects. Early expeditions under the stimulating leadership of Dr. S. H. Scudder, with the cooperation of the United States Geological Surveys, secured collections of over specimens in the Florissant shales alone. For the most part, the material gathered at this time was described by Scudder between the years 1867 and 1900, when he was finally forced into inactivity by paralysis. Fora short period of five years the Tertiary insects of the country were entirely neglected, but in 1905 the work was again taken up by the University of Colorado. The following year Professor W. M. Wheeler, Professor and Mrs. T. D. A. Cockerell, and S. A. Rohwer collected extensively at the Florissant locality, and in 1907 also a large expedition was made to the same beds under the direction of the American Museum of Natural History, Yale University, the University of Colorado, the Brit ish Museum of Natural History, and the Royal Irish Dublin Museum. The insects found on these two expeditions have chiefly been described by Professor Cockerell, Professor H. F. Wickham (coleoptera), Pro fessor C. T. Brues (parasitic Hymenoptera), and S. A. Rohwer (ten thredinoidea).
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