Agassiz, Louis,  1807-1873. <br/><br/>
The classification of insects from embryological data. 
By Prof. Louis Agassiz. 
 - [Washington,  Smithsonian institution,  1850] 
 - 28 p.  illus., pl.  32 cm. 
 - Smithsonian contributions to knowledge,  vol. II, art. 6 Smithsonian institution publication 16 .
<br/><br/><label>LCCN: </label>s  13000007  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects--Classification.<br/>Insects--Development.
<br/><br/><label>LC Class. No.: </label>Q11  / .S68 vol. 2