<div class="description">
<dl><dd>"December 4, 1918."</dd>
<dd>"E-168"</dd></dl><br>Subjects: Hemlock looper Control; Spruce Diseases and pests; Western hemlock Diseases and pests</div>
<div class="fn value">
<dl><dd>Hopkins, A. D. (Andrew Delmar), 1857-1948</dd>
<dd>United States. Bureau of Entomology</dd>
<dd>United States. Bureau of Entomology and Plant Quarantine</dd></dl></div>
Internet Archive identifier