354 Illinois State Laboratory of Natural History. 



A. utahensis Lockington. Monthly Micros. Jour. 1876, 

 131, fide Packard. 



Hob. Connecticut, Utah. 



II. BBANOHINBCTA VEKRILL. 



1. B. COLORADENSIS Packard. 7th Rep. U. S. Geol. Sur- 

 vey (Hayden), 621 (1874); 12th Rep. U. S. Geol. Survey (Hay- 

 den), ii, 338 (1883). 



Hob. Colorado. 



2. B. LINDAHLI Packard. 12th Rep. II. S. Geol. Survey 

 (Hayden), ii, 339 (1883). 



Hob. Kansas. 



3. B. PALUDOSA Packard. 12th Rep. JJ. S. Geol. Survey 

 (Hayden), ii, 336 (1883). 



B. groenlandica Verrill. Amer. Jour. Science, 2d ser., 

 xlviii, 253 (1869); Proc. A. A. A. S. for 1869, 244. Packard. 

 7th Rep. Geol. Survey (Hayden), 621 (1874). 



B. arctica Verrill. Amer. Jour. Science, 2d ser., xlviii, 

 253 (1869); Proc. A. A. A. S. for 1869, 2. Packard. 6th 

 Rep. U.S. Geol. Survey (Hayden), 621 (1874). 



Branchipus paludosus Miiller. 

 Hob. Labrador, Arctic America, Greenland. 



III. BBANCHIPUS SCHAFF. 



1. B. BUKDYI Forbes. 



Eubranchipus bundyi Forbes. Bull. 111. St. Lab. N. H., 

 i, 25 (1876). 



Hob. Wisconsin (Forbes). 



2. B. SEKEATUS Forbes. 



Eubranchipus serratus Forbes. Bull. 111. St. Lab. N. H., 

 i, 13 (1876). Packard. 12th Rep. U. S. Geol. Survey (Hay- 

 den), ii, 343 (1883). 

 Hob. Illinois (Forbes). 



