Aldrich, J.M. <br/><br/>
Two-winged flies of the genera dolichopus and hydrophorus collected in Alaska in 1921, with new species of dolichopus from North America and Hawaii  / 
by J.M. Aldrich 
 - 18 p. 
 - Díptera; 3 .
<br/><br/> Sobretiro de: Proceedings U.S. National Museum 61 (2446): 1-18. Encuadernado con otros impresos similares 
<br/><br/><label>LCCN: </label>206589 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dípteros -- colecciones de escritos <br/>Dolichopus
<br/><br/><label>Dewey Class. No.: </label>PA-C 595.77 D5