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The biology and external morphology of bees ; with a synopsis of the genera of northwestern America

Creator:

Stephen, William Procuronoff, 1927-, Bohart, George Edward, and Torchio, Philip F.

Abstract:

ENTOMOLOGISTS, BOTANISTS, and AGRICULTURISTS all have occasion to concern themselves with bees. The en-tomologist is fascinated by their complex behavior pat-terns, the botanist needs to evaluate their significance infloral biology, and the agriculturist must take them into account as vital factors in crop production. Finally, the apiculturist often wishes to...

Resource Type:

Book

Full Text:

abdomen is re- ferred to as the second metasomal tergum, and so on (see Fig. 1). The following section
Coastal sand dunes of Oregon and Washington

Creator:

Cooper, William Skinner, 1884-

Abstract:

In Part I the environment of the coastal dunes of Oregon and Washington is analyzed. Most of the substratum is a narrow foreland or terrace, in part submerged, that borders the mountain front. Temperature is relatively low in summer and rarely reaches the freezing point in winter. Winter precipitation is...

Resource Type:

Technical Report

Full Text:

........................................................................... 1 INTRODUCTION ....................................................................... 3