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19 H. Boussin Alaska F. C. Browne Mass. Harold Carlisle Colorado T.D.A. Cockerell Colorado J. W. Collins Mass. Dr. J. G. Cooper California W. E. Crane New York J. M. Clarke New York Prof. W. B. Clark Maryland Cowperthwait & Co. Penna Prof. A. Dugés Mexico Dr. C. S. Dolley Penna. J. W. Denton Mass. Prof. E. A. Dana Connecticut Dr. Paul Fischer France Dr. A. K. Fisher Washington. S. de Folin France John Ford Penna