George Montague Wheeler 1875 The subject of the geographical distribution and variation of our western zo&ouml;logy is one that has of late years attracted more than ordinary attention from our naturalists; and, as appropriate to the subject-matter of this volume, it is here proposed to give a brief <i>r&eacute;sum&eacute;</i> of their conclusions and generalizations, as far as they may be deemed applicable to the special natural history work of the geographical surveys west of the one hundredth meridian. application/pdf 10.3133/70039254 en Government Printing Office Report upon United States geological surveys west of the one hundredth meridian, Volume V: Zoology reports