Excerpt from The American Naturalist, Vol. 2 Entered according to Act of Congress, in the year 1888, by the peabody academy OF science, in the Clerk's Office of the District Court of the District of Massachusetts. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from The American Naturalist, Vol. 25: July, 1891 As regards the ordinal terms, Allotheria and Pantotheria, they have not as yet been defined or adopted.7 The former is equiv alent to the Multituberculata, which has been defined and is now in general use 8 the latter is only used by the author in the reference of one genus. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from The American Naturalist, Vol. 6 Entered, according to Act of Congress, in the year 1872, by the peabody academy OF science, in the omce of the Librarian of Congress, at Washington. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from The American Naturalist The parents of the mice to be discussed had been divided, at the commencement of life, into two lots, which were reared in separate rooms, differing widely in tem perature.' Prior to the time of the pairing, they had been exposed to these conditions for an average period of about six months. For reasons which I shall not here state, ' the two contrasted groups (warm and cold lots) were not transferred to a common room before pairing.5 Indeed, the females were not removed to such a room until the time that each was discovered to be pregnant. The discovery was made, on the average, about five days before the birth of the young, i. E about two weeks after the actual commencement of pregnancy. This circumstance is of possible importance in interpret ing the results obtained. On that subject, more anon. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from The American Naturalist, Vol. 24: July, 1890 The line of successional modification of the Cetacea is found in changes in (i) the shape of the skull (2) the extinction of the dentition (3) the shortening of the cervical vertebra and (4) in the separation of the ribs from articulation with the vertebral centra. The modification of the shape of the skull is related to the gradual transfer of the external nostrils to more and more posterior positions, until they remain, in the extreme types, above, or even behind above, the eyes. In this process the nasal, frontal and parietal bones become excessively abbreviated, so that in the modern toothed whales, they form a narrow hand between the nostrils and the superior border of the occipital bone. The order is naturally divided into three sub-orders, which are defined as follows External nostrils on the superior side of the muzzle. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from The American Naturalist, Vol. 3 The knowledge and use of peculiar narcotics and alcoholic beverages by portions of the human race, both civilized and barbarous, unacquainted with and widely separated from each other is a well-known fact. Analogous to this is the use of some form of money or a medium in trade by isolated and remote tribes. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from The American Midland Naturalist, Vol. 2: Devoted to Natural History, Primarily That of the Prairie States; 1911 1912 Report of the Symposium at the Fourteenth Annual Meeting, Chicago, Jan. 1, 1908. Cowles, H. C., An Ecological Aspect of the Conception of Species. Baltimore, Md., 1908, 266, 276. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.