Principles of taxonomy -- Formal classification of mammalia -- Review of mammalian classification -- Bibliography -- Index to technical names -- Index to vernacular ...

A REMARK made by Prof. Allen Thomson on this subject in a late number of NATURE induces me again to draw attention to some objections I offered to the placental classification in a review of Prof.

"A humpback who approached me peered into my eyes while I was aboard a boat and showed me the mirror of myself." ...

At head of title: Proceedings of the United States National Museum.

New research combines analytical tools and a nondestructive method to examine museum collections of various grasshopper species and reveal their dietary patterns, even decades after the collection of ...

In a recent study, paleontologists announced their discovery of an ancient mammal that lived around 70-75 million years ago in Rangely, Colorado.

Population bottlenecks caused by stark population loss due to illness or habitat destruction caused mammals' disease immunity ...