Fossil corals from Central America, Cuba and Porto Rico, with an account of the american tertiary, pleistocene, and recent coral reefs /

Autor Vaughan, Thomas Wayland, 1870-1952
Vydáno 1919

Tertiary Tipulidae : with special reference to those of Florissant, Colorado /

Autor Scudder, Samuel H.
Vydáno 1894