■274 GEOL. AND NAT. HIST. SURVEY OF MINNESOTA. 



but the more I study this species the more I am led to believe that 

 this and I. spinifer are varieties of one and the same species. If this 

 surmise be true then Professor Her rick's name has precedence. 



FAMILY LYNCEIDJ:. 



SUB FAMILY EURYCERCIN^. 



GENUS EURYCERCUS Baird. 



Eurycerciis lamellatus O. F. Miiller. 



Eurycercus lamellatus — C. L. Heirick, Final Report Minn. Crust., p. 80; PI. H, Figs. 5, 6. 



Length 1.67 mm.; height 1.16 mm. Habitat: Kent county, Dela- 

 ware. 



SUB-FAMILY LYNCEINJ]. 



GENUS CAMPTOCERCUS Baird. 



Canaptocercus uiacruriis O. F. Miiller. 

 Camptocercus macrurus — E. A. Birge, Notes on Clad., p. 33. 



The specimen here tabulated under this genus is smaller than those 

 found by Professor Birge in Wisconsin and by Professor Herrick in 

 Minnesota; but, since they agree with Professor Herrick's description 

 in all other respects, it is thought that this is the right place for it. 

 Habitat: Lockland, Ohio. Length 0.63 mm. ; height 0.42 mm. 



GENUS LEYDIGIA Kurz. 

 Lcydigria quadrangularis Leydig-. 



Leydigia quadrangularis — C. L. Herrick, Final Eeport Minn. Crust., p. 88; PI. H, Fig. 4 



Length 1.00 mm.; height 0.5 mm. Habitat: Clifton, Ohio; Lock- 

 land, Ohio; Atlanta, Georgia. 



GENUS DUNHEVIDIA King. 



Diiiihevidia Setiger Birge. 



Crepidocercus setiger — E. A. Birge, Notes on Clad., p. 26; PI. I, Fig. 18. 



Length 0.43 mm.; height 0.31 mm. Habitat: Cincinnati, Ohio. 



GENUS ALONA Sars. 

 Aloua quadraugularis Miiller. 

 ^lona quadrangularis — C. L. Herrick, Final Report Minn. Crust., p. 97; PI. E, Figs. 1, 2. 



Length 0.76 mm.; height 0.46 mm. In the specimen here assigned 

 to the above named species the pigment fleck is as large as the eye 

 and^the spine on the terminal claw of the post-abdomen is pectinate 

 at its base. Habitat: Baxley, Georgia. 



