352 Illinois Stale Laboratonj of Natural Histori/. 



2. E. TEXANA Packard. r2tli Rep. U. S. Geol. Survey 

 (Hayden), ii, 3.12 (1883). 



Limnadia texana Packard. Ainer. Jour. Science, 3d ser., 

 ii, 111 (1871); 7th Rep. U. S. Geol. Survey (Hayden), 618 



(1874). 



Uah. — Kansas, Texas. 



IV. LlMNADELLA GlKARD. 



1. L. CORIACEA Haldeman. Proc. Phila. Acad. 1842, 184; 

 Ibid. 1854, U.—Pachard. 7th Rep. U. S. Geol. Survey (Hay- 

 den), 018 (1874); 12th Rep. U. S. Geol. Survey (Hayden), ii, 

 313 (1883). 



Unrecognizable from description. 

 ZTaft.— Pennsylvania (Haldeman). 



2. L. KiTEi Girard. Proc. Phihi. Acad. 1854, ^.— Pack- 

 ard. 12th Rep. U. S. Geol. Survey, ii, 311 (1883). 



Unrecognizable from description. 



Uab.— Ohio {Girard). 



V. Limnadia Brong. 



1. L. AMERICANA Morse. Proc. Boston Soc. N. H., xi, 

 404 ( ISm.— Parka, -d. 7th Rep. U. S. Geol. Survey (Hayden), 

 618(1874); 12th Rep. U.S. Geol. Survey (Hayden), ii, 311 



(1883). 



//«6.— Massachusetts. 



FAMILY APODID^. 

 I. ApuS Schaff. 



1. A. .EQUALis Packard. Anier. Jour. Science, 3d ser., 

 ii, no (1871); 7th Rep. U. S. Geol. Survey (Hayden), 620 

 (1874); 12th Rep. U. S. Geol. Survey (Hayden), ii, 320 (1883). 



JIab. — Kansas, Texas, Colorado? 



2. A. LONGicAUDATUS Le Conte. Annals N. Y. Lyceum, 

 iv, 155 {18^b).— Packard. 12th Rep, U. S. Geol. Survey (Hay- 

 den), ii, 324 (1883). 



A. ohtusus James. Long's Expedition, ii, 336 (1823). — 

 Packard. 7th Rep. U. S. Geol. Survey (Hayden), 620 (1874). 

 Uab.— Colorado, Wyoming, Kansas. 



