The Journals of Lewis and Clark By Meriwether Lewis and and William Clark, 1804-1806 Note: These Journals are from May 14, 1804, the day the expedition left the Mississippi River, to September 26, 1806, a day or two after they arrived back in St. Louis. It includes all possible Journal entries of Lewis and Clark. […]

In the mountainous regions of Middle America there are several groups of hylid frogs that inhabit mountain streams. Some of these groups, such as _Plectrohyla_ and _Ptychohyla_, have been elevated to generic rank, whereas others are retained in the large and complex genus _Hyla_. In the mountains of México five species of hylids that seem […]

The small yellow tree frogs, _Hyla microcephala_ and its relatives, are among the most frequently heard and commonly collected frogs in the lowlands of southern México and Central America. The similarities in size, proportions, and coloration of the different species have resulted not so much in a multiplicity of specific names, but in differences of […]

Forty years ago our troops were armed with a smooth-bore musket, and a small force known as the “Rifle Brigade” was the exception to this rule. The military rifle carried a spherical bullet, and, like all others of the period, it necessitated the use of a mallet to strike the ball, which, being a size […]