scholarly journals Notes on the crayfishes in the United States National museum and the Museum of comparative zoölogy : with descriptions of new species and subspecies, to which is appended a catalogue of the known species and subspecies / by Walter Faxon.

1914 ◽  
Author(s):  
Walter Faxon ◽  
◽  
Keyword(s):  
United States ◽  
New Species ◽  
The United States ◽  
National Museum ◽  
United States National Museum ◽  
Comparative Zoology

On the American Species of Lyperopherus Mots. (Coleoptera: Carabidae)

1949 ◽  
Vol 81 (9) ◽  
pp. 231-232 ◽  
Author(s):  
W. J. Brown
Keyword(s):  
United States ◽  
The United States ◽  
Natural Sciences ◽  
National Museum ◽  
United States National Museum ◽  
Comparative Zoology ◽  
Academy Of Natural Sciences

The following notes are based on the material in the Canadian National Collection and in the collections of the United States National Museum, the Museum of Comparative Zoology, and the Philadelphia Academy of Natural Sciences.In all of the three American species of Lyperopherus, the flattened side margins of the pronotum are gradually widened posteriorly to include the outer of the basal impressions. All are flightless and have the elytra widest slightly behind the middle.

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