Wolcott, George Norton. <br/><br/>
"Insectae Portoricensis."  a preliminary annotated check-list of the insects of Porto Rico, with descriptions of some news species. 

 - Río Piedras, P. R.  Insular Experiment Stations  1923. 
 - 333 p.  ill. 
 - P. R. Departamento de Agricultura. Journal  vol. 7, no. 1. January, 1923 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects--Puerto Rico.