THE LEADING JOURNAL OF ITS KIND. 



$4.00 per Year. $4.60 per Year (Foreign.) 35 oi«. per Copy, 



THE 



AMERICAN 

 NATURALIST 



A MONTHLY JOURNAL 



DEVOTED TO THE NATURAL SCIENCES 



IN THEIR WIDEST SENSE. 



Managing Editors : 



Profs. E. D. COPE, Philadelphia, Pa., and J. S. KINGSLEY, BoBton. Mass. 



ASSOCIATE Editors: 



Prof. W. S. BAYLEY, of Colby University, Waterville, Me., Dept. of Petrography. 



Prof. W. H. HOpBS, Madison, Wise, Dept. of Mineralogy. 



Dr. C. E. BESSEY, of The University of Nebraska, Lincoln, Neb., Dept. of Botany. 



Prop. C. M. WEED, of College of New Hampshire, Durham, N. H., Dept. of Entomology. 



Prof. E. A. ANDREWS, of Johns Hopkins University, Baltimore, Md., Dept. of Embryology. 



H. C. MERCER, of the University of Pennsylvania, Dept. of Anthropology. 



Dr. C. O. WHITMAN, of Chicago University, Chicago, 111., Dept. of Microscopic Technique. 



1867 



29tli YEAR. 



1895 



Among the Contributors are the following ; 



Prof. J. C. ARTHUR, 

 Mrs. ALICE BODINGTON, 

 Prof. BEN J. SHARP, 

 Dr. R. W. SHUFELDT, 

 Prof. E. D. COPE, 

 Prof. CONWAY McMILLAN. 

 Dr. J. L. WORTMAN, 

 Prof. H. F. OSSORN, 

 Mr. ROSCOE POUND, 

 Prof. C. E. BESSEY, 

 Prof. BASH FORD DEAN, 

 Prof. J. M. CLARK, 

 Prof. C. 0. WHITMAN, 

 Prof. C. M. WEED, 

 Prof. ALPHSU3 HYATT, 

 Prof. A. S. PACKARD, 



Prof. HOWARD AYERS, 

 Dr. GEO. BAUR. 

 Prof. JOS. T. JAMES, 

 Mr. J. WALTER FEWEES, 

 Dr. S. V. CLEVENGER, 

 Dr. E. L. GREGORY, 

 Prof. E. A. ANDREWS, 

 Prof. J. S. KINGSLEY, 

 Prof. SIMON GAGE, 

 Prof, H. W. CONN, 

 Prof. J. A. RYDER. 

 Dr. JAS. WEIR, Jr., 

 Dr. J. W. SPENCER, 

 Prof. MANLY MILES, 

 Prof. L. H. BAILEY, 

 Prof. THEODORE GILL, 



Dr. R. T. J.ICKSON. 



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