Described Species of Fresh ]]''ater Crustacea. 347 



5. A . obloxCtA p. E. Miiller. Natiirhistorisk Tidsskrift, 

 V, 175, pi. iii, figs. 22, 23 (ISOSj.—Birge. Trans. Wis. Acad, 

 iv, 107 {ISll ).—Herrick: 10th Rep. Geol. Minn. 250 (1SS2): 

 Final Report, 97 (1884). 



Hall. — Wisconsin (Birge), Minnesota [Herrick). 



6. A. PARVULA. var. tuberculata Herriek. Final llojiort, 

 100 (1884). 



A. tiihercuJdta Kurz. Dodekas neuer Cladocoren, 51, t. ii, 

 fig. 3 (1874). 



Ifah. — ^lassachusetts [Ilerrick). 



7. A. PORRECTA Birge. Trans. Wis. Acad, iv, 105 (1877). 

 — Ilerrick . Final Report, 99 (1884). 



Ilah. — Massachusetts and Wisconsin (Birgr). 



8. A. QUADRANGULARTS Baird. Ann. and Mag. Nat. Tlist. 

 ii, 92, t. 3, figs. 9-11 (1843); British Entoniostraca, 131, t. xvi, 

 fig. 4 ( 1 ^m).— Herriek. Final Report, 97 ( 1884 ). 



Lynreus (juaclrauf/nho-is Miiller. Entoniostraca, 72, t. ix, 

 figs. 1-2.— Herriek. 7'th Rep. Geol. Minn. 107 (1879). 

 ITah. — Minnesota {Ilerrick). 



9. A. SAJfGUiNEA P. E. Miiller. Natarhistorisk Tidsskrift, 

 V, 177 {imS).— Herriek. Final Report, 95 (1884). 



Hah. — Minnesota {Ilerrick). 



10. A. spixiFERA Schodler. Neue Beitriige znr Natnrge- 

 schichte der Cladoceren, 18, pi. i, figs 17-22 (18G3).— /^/r.(/r 

 Trans. Wis. Acad, iv, 107 {IHTi ).— Herriek. Final Report, 99 



(1884). 



Ifah. — Massachusetts and Wisconsin {Birge). 



IX. Alonella Sars. 



1. A. EXciSA Kurz. Dodekas neuer Cladoceren, 59 (1874). 

 —Herriek. Final Report, 103 (1884). 



?PleuroxHS insculptus Birge. Trans. Wis. Acad, iv, 95 

 (1877). 



Lyncens excisus Fischer. 

 Ilah. — Massachusetts and Wisconsin? {Birge), Minnesota {Ilerrick). 



2. A. PULCHELLA Herrick. Final Report, 103 (1884). 

 Ilah. — jMinnesota (Ilerrick). 



