<div class="description">
<dl><dd>Previous ed. : "April 3, 1916."</dd>
<dd>"E-189"</dd></dl><br>Subjects: Scale insects Control; Shade trees Diseases and pests; Ornamental shrubs 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