374 Illinois State Laboratory of Natural History. 



50. C. VIRILIS Hagen. Monog. Astacidse. 63, pi. i, figs. 

 23-28, pi. ii, figs. 128-132, pi. iii, fig. 155, pi. viii (1870). Her- 

 rick. 10th Rep. Geol. Minn. 253 (1882). Faxon. Proc. 

 Amer. Acad. 147 (1884); Revision of Astacidse, 96 (1885). 



C. debilis Bundy. Bull. 111. State Lab. N. H., No. 1, 24 

 (1876); Trans. Wisconsin Acad. v, 181 (1882); Geology of 

 Wisconsin, i, 403 (1883). 



C. couesi Streets. Bull. U. S. Geol. Survey (Hayden), iii, 

 803 (1877). 



Hob. Canada, Dakota, Minnesota, Wisconsin, Iowa, Nebraska, 

 Wyoming, Kansas, Missouri, Illinois, Indiana, Tennessee, Texas, New 

 York? 



FAMILY PAL^MONID^EJ. 

 I. PALJEMON FABR., STIMPSON. 



1. P. OHIONIS Smith. Rep. U. S. Fish Com. for 1872-73, 

 640. Forbes. Bull. 111. State Lab. N. H., No. 1, 5 (1876).- 

 Hay. Amer. Nat. xvi, 143 (1882). 



Hob. Indiana, Illinois, Mississippi, Mississippi River. 



II. PALJBMONETBS HELLER. 



1. P. PALUDOSA Kingsley. Proc. Phila. Acad. 1878, 97; 

 Bull. Essex Inst. x, 65. 



P. exilipes Stimpson. Ann. N. Y. Lyceum N. H., x, 130 

 (1871). Smith. Rep. U. S. Fish Com. for 1872-73, 641. 

 Forbes. Bull. 111. State Lab. N. H., No. 1, 5 (1876). flay. 

 Amer. Nat. xvi, 144 (1882). 



Hippolyte paludosa Gibbes. Proc. A. A. A. S., iii, 197 

 (1850). 



Hob. Ohio, Illinois, Michigan, Tennessee, South Carolina, Florida, 

 Mississippi. 



FAMILY PE1SLEID.E. 

 I. PENJEUS LATE. 



1. P. BRAZILIENSIS Latr. Nouv. Diet, d 1 Hist. Nat., 154, 

 t. xxv. Milne-Edwards. Hist. Nat. des Crust, ii, 414 (1837). 

 Stimpson. Ann. N. Y. Lyceum N. H., x, 132 (1871). 

 Smith. Rep. U. S. Fish Com. for 1872-73, 642. 

 Hdb. New York, New Jersey. 



