Deso'ihed Species of Fresh Wafer Crustacea. 849 



2. C. GLOBOSUS Baird. Ann. and Mag. Nat. Hist, ii, 90^ 

 t. 3, figs. 1-4 (1843); British Entomostraca, 127, t. xvi, fig. 7,' 

 (1850).— Birge. Trans. Wis. Acad, iv, 100 {18Ti).^IIerricI.: 

 Final Report^ 116 (1884). 



Hah. — Wisconsin (Birge), Minnesota {Ilerrick). 



3. C. SPH.^RICLTS Baird. Ann. and Mag. Nat. Hist, ii, 89, 

 t. 2, figs. 11-13 (1843); British Entomostraca, 126, t. xvi, fig. 

 8 {lSm).—Birrje. Trans. Wis. Acad, iv, 99 ( 1877 ).— CV/^n;/- 

 bers. Bull. u!s. Geol. Survey (Hayden), iii, 155 (1877).— 

 Herrlck. 7th Rep. Geol. Minn. 108 (1879); Final Report, 116 

 (1884). 



IFab. — Massachusetts, Lake Michigan, and Wisconsin (Birgc), Min- 

 nesota [Ilerrick), Kentucky and Colorado (CJiumhcrg). 



XXL MoNOSPiLUS Sars. 



1. M. DiSPAR Sars. Crust. Cladoc. i Omgn. af Christiana, 

 165 (1862).— 7/(^rr?VA^ Final Report, 119 (1884); Ball. Scien- 

 tific Lab. Denison Univ. i, 38 (1885). 

 Hah. — Minnesota (Herricl-). 



FAMILY POLYPHEMID^. 

 I. Polyphemus Mitll. 



1. P. PEniruLUS De Geer. Mem. pour serv. a Tliistoire 

 Ins. yii, 467, t. 28, figs. 9-13 {lTt8).—Birgr. Trans. Wis. 

 Acad, iv, 109 (1811).— Herricl: 10th Rep. Geol. Minn. 251 

 (1882); Final Report, 121 (1884). 



MouocuIhs pediculns Linnanis. Syst. Nat. (12th Ed.) i, 

 1058 (1767). 



Poiypheuuis oadus Miiller. Entomostraca, 119, t, 20, figs. 

 1-5 (1785). 



P. occidcvtalis Herrick. 7th Rep. Geol. Minn. 122 ( 1879) . 

 //a/'>.— Massachusetts [Birgc], Minnesota [Ilerrick). 



2. P. STAONALis Herrick. Final llcport, 122 (1884). 

 Hah. — IMinnesota? [Herrick). 



