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African American animals appear areas Assistant Avenue base birds brown cell character CHARLES closely coast collected color common compared considered continent curvirostra Department described discussion distinct distribution equal exhibited existed extend fact families faunas female fishes former forms fresh fresh-water genera genus geological head indicated Islands JOHN joints known land length less limits lines living longer male March margin marked MEETING Member Mexico natural nearly North North American northern occur Office originated period portion present President probably Prof Professor pupa race read a paper realm referred region relations remains remarks represented respect Riley river separated side slightly Smithsonian Institution Society South southern species specimens Street N. W. surface Survey Taylor true types U. S. National Museum University Ward Washington waters western wide wing
Page xxix - AMENDMENTS This Constitution may be amended by a two-thirds vote of the members present at any regular meeting of the...
Page 6 - If these considerations are well founded," he continues, " the objections of those who study insects or molluscs, for example, — that our regions are not true for their departments of nature — cannot be maintained. For they will find, that a careful consideration of the exceptional means of dispersal and conditions of existence of each group, will explain most of the divergences from the normal distribution of higher animals."!
Page 6 - As to the first objection, it will be found impossible to form any three or more regions, each of which differs from the rest in an equal degree or in the same manner. One will surpass all others in the possession of peculiar families; another will have many characteristic genera ; while a third will be mainly distinguished by negative characters. There will also be found many intermediate districts, which possess some of the characteristics of two well-marked regions...
Page 8 - Tertiary period, of forms adapted to л high temperature, and in part to the high rate of differentiation favored by tropical conditions of climate. Hence, given: 1. Arctic and cold-temperate conditions of climate, and we have a fauna only slightly or moderately diversified ; 2. A moderate increase of temperature, giving warm-temperate conditions of climate, and we have the addition of many new types of life; 3. A high increase of temperature, giving tropical conditions of climate, and we have a...
Page xxxv - ... after which several donations were announced and new members elected. The curator reported that but few coins had been added during the year, but some of the most valuable have been placed under look and key. From the Annual Report of the Treasurer the society appears to be in good financial condition. The Committee appointed at the last meeting to prepare a List of Officers for the year 1865, reported as follows: President, Jeremiah Colburn : Vice President and Curator, Judge JP Putnam ; Treasurer,...
Page ix - MD, LL. D., MNAS Secretary of the Smithsonian Institution and Director of the US National Museum. US Commissioner of Fish and Fisheries.
Page 75 - Dorsulum and mesonotum rugoso-punctate, with distinct but very short, sparse pubescence; front wings broadly rounded at tip, widest in terminal half; genital segment of female shorter than the rest of the abdomen; anal style of full-grown larva and pupa pointed at tip c.-mamma.
Page 31 - England," which made the passage in 41 days, in the month of July. A careful study of the statistics of these voyages, in conjunction with the Wind and Current charts for the Pacific, Atlantic, and Indian oceans, published by the Admiralty...