By Thomas Wayland Vaughan, United States National Museum

Writer: Washington : government. Print. Off. e-book date: 1919 matters: Paleontology Paleontology Paleontology Notes: this can be an OCR reprint. there's a variety of typos or lacking textual content. There are not any illustrations or indexes. in case you purchase the final Books version of this publication you get unfastened trial entry to Million-Books.com the place you could make a choice from greater than 1000000 books at no cost. you may as well preview the booklet there.

Show description

Read or Download Contributions to the geology and paleontology of the canal zone, Panama PDF

Similar central america books

No Higher Law: American Foreign Policy and the Western Hemisphere since 1776

Dismantling the myths of usa isolationism and exceptionalism, No greater legislation is a sweeping background and research of yankee coverage towards the Western Hemisphere and Latin the US from independence to the current. From the nation’s earliest days, argues Brian Loveman, U. S. leaders seen and handled Latin the United States as a crucible within which to check overseas coverage and from which to extend American worldwide impact.

Indigenous Peoples, Poverty and Human Development in Latin America Hardcover

Indigenous humans represent a wide component of Latin America's inhabitants and be afflicted by common poverty. This publication offers the 1st rigorous evaluate of alterations in socio-economic stipulations one of the region's indigenous humans, monitoring growth in those signs in the course of the first overseas decade of indigenous peoples (1994-2004).

Archaeoastronomy and the Maya

Archaeoastronomy and the Maya illustrates archaeoastronomical techniques to historic Mayan cultural construction. The publication is contextualized via a background of archaeoastronomical investigations into Mayan websites, originating within the nineteenth century discovery of astronomical tables inside hieroglyphic books.

Additional resources for Contributions to the geology and paleontology of the canal zone, Panama

Sample text

Among the Dicotyledonae there are representatives of the orders Ranales^ Rosales^ Geraniales, Sapindales, Thymeleales^ Myrtales^ Ehenales^ and Rubmles. Orders conspicuous in the existing flora of the Isthmian region unrepresented among the fossils are Urticales^ the Arales, Poales, Cyperales, and Orchidales ledonae, and the Campamdahs and among the Monocotyamong the Dicoty- Personales ledonae. The following 14 families are represented by fossils in Panama: Moraceae, Anonaceae, Myristicaceae, Mimosaceae, Caesalpiniaceae, Papilionaceae, Malpighiaceae, Euphorbiaceae, Sapindaceae, Lauraceae, Myrtaceae, Melastomataceae, Ebenaceae, and Rubiaceae.

The following 14 families are represented by fossils in Panama: Moraceae, Anonaceae, Myristicaceae, Mimosaceae, Caesalpiniaceae, Papilionaceae, Malpighiaceae, Euphorbiaceae, Sapindaceae, Lauraceae, Myrtaceae, Melastomataceae, Ebenaceae, and Rubiaceae. Only the last, with two species, is represented by more than a single species. When so sparse and evenly distributed a representation of the families is present in a fossil flora, it is an indication that after allowing for some accidents of preservation, those families represented may be regarded as the most abundantly represented in the Tertiary flora of the region, and in this respect there is a very great similarity to the existing flora of the Isthmian region.

1. 2. Figs. 3 Fig. 3. 4. and 2. Howe. , enlarged surface, showing the more or Howe 6832). less confluent sporangial 4 diameters. of the same surface, showing the sporangial ostioles, 25 diameters. 4. Photographs of Pleistocene specimen from Mount Hope (MacDonald, Cat. No. ) and Radiovertical section showing several superposed crusts and three welldeveloped hypothallia, enlarged 42 diameters. A part of a cross section of one of the excrescences or branches, showing a single weakly developed hypothallium, enlarged 42 diameters.

Download PDF sample

Rated 4.53 of 5 – based on 7 votes