. 
February, 1887. ` Vol. XXI., No. 2. 
THE 
T AMERICAN 
NATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 
Single Numbers, 35 Cents. Wearly Subscription, $4.00. 
CONTENTS: 
PAGE PAGE 
MORE ABOUT THE SEA-HORSE. Samuel Lockwood. 111 Mineralogy rained Petrozraphy. — Rosenbusch’s 
THE TACONIC QUESTION RESTATED. T. Sterry eee rene 8 ee ee 72 
ee a S Iit Botany—A Stu ae. the Growing Parts of the 
4 = Stem of Pinus strobus ster ROG) ag is 178 
eT PEEN ER E Ta RES —Critical Remarks on the Literature 
x ee a f the Organ of Sae, in Arthropods 
THE EAST GREENLANDERS. John Murdoch. + . 133 oology—Mimiery in Amphipods.— s 
THE SIGNIFICANCE OF SEX (continued). [Illus- Cladocera.—The Myzostomata.—Anatomy of Ec 
rated.] aye Were ae Ss 138 norhynchi.—Argulus and Mortality of Fishes orks 
| Irish Red Deer—The Birds of India.—The Zoology 
Eprrors’ TAB : of British Burmah ription of a New Species of 
sera Nat ee Blo ge aA a Wood-Rat from Certos Island, off Lower Californi 
The Vertebrate Paontigy of the U.S. re (Neotoma bryanti sp. nov.).—Zoological News . . 185 __ 
ee Liméryolegy.—Notes on Two Forms of Cestoid 
RECENT LITERA Embryos [Hlustrated|.—Development of Scor- os : 
-  Ridgeway's EAE of Colors.—Recent Books pions,—Polar Globules in the Crustacea . . . . . 19S 
3 a FESR Pe ee eae = a Bae Penis nt Men.—The eases -o 
GENERAL NOTE l 204. | 
Geology and Fateontoiegy —Notes upon Warping PETE fe on the- Practical Study of 
of the Earth's Crust in its Relation to the Origin of Mads e ee a ee w7 
the Basins of the Great D A Formations of o 
S ENG o o aa ee ee ae eae E 
the Belly River of Canada.—The Cross-Timbers of e ; 28 | 
i Be ee ee 163 | PROCEEDINGS OF SCIENTIFIC SOCIETIES... . . 20g -. 
J B. LIPPINCOTT COMPANY, PHILADELPHIA. 
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