The American Naturalist. 



Fresh Relics of Glacial Man Reported at the Buffalo Meeting of the 

 A. A. S. G. F. Wright 



Relative Efficiency of Animals as Machines. M. Miles 



Piney Branch (D. C.) Quarry Workshop and its Implement (Illus- 

 trated). Thomas Wilson 873, 



The Geographical Distribution of Batrachia and Reptilia in North 



Fossils and Fossilization. L. P. GraTacap 902, 



The Biologic Origin of Mental Variety, or How We Came to Have 

 Minds. Herbert Nichols 



Editor's Table.— The Antivivisectionists Again, 32 ; Vivisection of 

 Idiots, 33 ; The American Association at San Francisco, 34 ; A 

 National University, 200 ; TheX Rays (Illustrated), 201 ; Graft- 

 ing Snakes, 201 ; The Destruction of Mosquitos, 201 ; Antarctic 

 Exploration, 202 ; The Huxley Memorial, 202 ; The Destruction 

 of the Seal Herd, 385 ; Credit for Work, 385 ; The Field Museum, 

 385 ; The Filson Club, 386 ; The New Commissioner of Fisher- 

 ies, 386 ; The Bestiarians Before Congress, 468 ; The Spoliation 

 of Nature, 563 ; The American Association at Buffalo, 564 ; 

 Priority of Publication, 651 ; Presidents of the American Asso- 

 ciation, 652 ; The Decimal Catalogue System, 652 ; The Ameri- 

 can Association, 805 ; The Field Museum, 806 ; Notice to Our 

 Contributors, 806 ; Personal Names in Nomenclature, 925 ; 

 Species Describing. 926 ; Nansen and the Deep Sea, 927; Survi- 

 val of useless Names, 1027 ; Correction Concerning a Review of 

 Wachsmuth and Springer, 1027 ; Dates of Publication of the 

 Numbers of the American Naturalist 



RECENT Literature. — Petrology for Students, 35 ; Crystallography, 

 A Treatise on the Morphology of Crystals, 35 ; Elementary 

 Physical Geography, 37 ; Synoptical Flora of North America, 

 38 ; Natural History of Plants, 39 ; Recent Books on Vegetable 

 Pathology, 120 ; The Iowa University Bahama Expedition, 122 ; 

 The Shrews of North America, 1 22 ; Iowa Geological Survey, 

 Vol. Ill, 123 ; Duration of Niagara Falls, and History of the 

 Great Lakes, 124; Korean Games, 124; Williams' Manual of 

 Lithology, 203 ; The Corundum Deposits of Georgia, 204 ; Plant 

 Breeding, 204 ; Murray's Introduction to the Study of Sea- 

 Weeds, 290 ; Taxonomy of the Crinoids, 292 ; Geological Survey 

 of New Jersey, 387 ; Annual Report, Vol. VI, Geological Survey 

 of Canada, 387 ; Elementary Physical Geography, 388 ; Guide 

 Zoologique, 388 ; Practical Zoology, 389 ; Elementary Lessons 

 in Zoology, 389 ; Chats about British Birds, 389 ; Check List of 

 North American Birds, 390 ; The Cambridge Natural History, 

 469 ; Geological Biology, 471 ; Surface Colors, 564 ; The Whence 

 and Whither of Man, 565 ; Factors of Organic Evolution, 566 ; 

 The Child and Childhood in Folk-Thought, 568 ; Ethics of Mar- 

 riage, 569 ; The Structure of Solpugids, 653 ; The Bears of North 



