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THE

AMERICAN NATURALJST:

AN ILLUSTRATED MAGAZINE

NATURAL HISTORY.

EDITED BY

A. S. PACKARD, Jr. And F. W. PUTNAM.
R. H. WARD,

ASSOCIATE EDITOR, DEPARTMENT OF MICROSCOPY.

VOLUME VI.

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Entered, according to Act of Congress, in the year 1872, by the

PEABODY ACADEMY OF SCIENCE,

in the Office of the Librarian of Congress, at Washington.

PRINTED AT

THE SALEM PRESS, F. W. PUTNAM & CO.,

Salem, Mass.

CONTENTS OF VOLUME VI.

Page

Concerning Dkep Sea Dredgings. By Prof. L. Agassiz, ... 1

The Bunt? Fishes Of Mammoth Cave And Thetr Allies. Illus-

trated by two plates and cuts. By F. W. Putnam, 6

A New Erecting Arrangement, Especially Designed For Use

■with Binocular Microscopes. By R. H. Ward, M.D., ... 30

The Rattlesnake And. Natural Selection. By Prof. N. S.

Shaler, 32

The Mountains Of Colorado. By J. W. Foster, LL.D., ... 65

Irrigation And The Flora Of The Plains. By Rev. E. L. Greene, 76

The Former Range Of The Buffalo. By John G. Henderson, . 79

The Breathing Pores Of Leaves. With plate. By Prof. T. D.

Biscoe, 129

Aqueous Phenomena Of The Prairies. By Prof. H. W. Parker, 183

Remarks On Uniformity Of Nomenclature In Regard To Micro-

Scopical Objectives And Oculars. By R. H. Ward, M.D., . . 137

The Stone Age In New Jersey. Illustrated. By Charles C.

Abbott, M.D' 144, 199

The Use Of Amphipleura Pellucida As A Test Object For

High Powers. With a plate. By Dr. J. J. Woodward, U.S.A., 193

What Is True Taconic? By Prof. J. D. Dana, 197

Hints On Herborizing. By Dr. A. H. Cartiss, 257

Use Of The Rattles Of The Rattlf-snake. By J. G. Henderson, 260

Ornithological Notes From The West. By J. A. Allen.

Part I. Notes On The Birds Of Kansas 263

Part II. Notes On The Birds Of Colorado 342

Part III. Notes On The Birds Of The Great Salt Lake

Valley 394

Directions For Collecting Microlp.pidoptera. By Lord Wal-

singham, 275

Instructions For Preparing Birds' Eggs. By William Wood, 281

Relationship Of The American White-fronted Owl. By

Robert Ridgway 283

One Of Our Common Monads. Illustrated. By Prof. Albert

H. Tuttle 286

Students' Microscopes. By R. H. Ward, M.D., 321

Hibernation Of The Jumping Mouse. By Prof. Sanborn Tenney, 330

The White Coffee-leaf Miner. With plate. By B. Pickman

Mann, 332, 596

The Fedias Of The Northern United States. Illustrated. By

Prof. Thomas C. Porter 385

Mimicry In The Colors Of Insects. By Dr. H. Hagen, . . . 388

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