2O2 THE CHICAGO ACADEMY OF SCIENCES. 



1867. Illaenus armatus. Hall, 20th Rep. N. Y. St. Cab. Nat. Hist., 

 p. 330, figs. 3-4, pi. 22, figs. 1-3. 



Niagara: Bridgeport, 111., Graf ton and Racine, Wis. 

 1870. Illaenus armatus. Hall, 2()th Rep. N. Y. St. Cab. Nat. Hist, 

 (rev. ed.), p. 41S, figs. 8-9, pi. 22, figs. 1-3, pi. 25, fig. 22; 

 also p. 433. 



Niagara: Bridgeport, 111., Grafto/i and Racine, Wis. 

 1877. Illaenus armatus ? Hall, 28th Rep. N. Y. St. Mus. Nat. 

 Hist. (doc. ed.), pi. 32, figs. 19-20. 



Niagara: Waldron, Ind. 



1879: Illaenus armatus ? Hall, 28th Rep. N. Y. St. Mus. Nat. 

 Hist. (mus. ed.), p. 189, pi. 32, figs. 19-20. 



Niagara: Waldron, Ind. 



1882. Illaenus urmatus. Hall, llth Rep. Dep. Geol. and Nat. 

 Hist., Indiana, p. 335, pi. 34, figs. 19-20, pi. 33, fig. 12. 



Niagara: Waldron, Ind. 



1904. Illaenus armatus. Kindle, 28th Rep. Dep. Geol. and Nat. 

 Res., Indiana, p. 479, pi. 22, fig. 6. 



Niagara: Georgetown and Wabash, Ind. 



1907. Illaenus armatus. Weller, This Bulletin, p. 222, pi. 18, figs. 

 4-6. 



Niagaran: Bridgeport and Lockport, 111. 

 Illaenus barriensis Hall, see Illaenus ioxus Hall. 

 Illaenus chicagoensis W T eller. 



1907. Illaenus chicagoensis. Weller, This Bulletin, p. 220, pi. 16, 

 figs. 10-12. 



Niagaran: Bridgeport, 111. 

 Illaenus cornigerus H.-& W. 



1872. Illaenus cornigerus. H. & W., 24th Rep. N. Y. St. Mus. Nat. 

 Hist., p. 186. 



Niagara: Falls of the Ohio. 

 Illaenus cuniculus Hall. 



1867. Illaenus cuniculus. Hall, 20th Rep. N. Y. St. Cab. Nat. 

 Hist., p. 377, pi. 22, fig. 12. 



Niagara: Wauwatosa, Wis. 



1870. Illaenus cuniculus. Hall, 20th Rep. N. Y. St. Cab. Nat, 

 Hist. (rev. ed.), p. 421, pi. 22, fig. 12. 



Niagara: Wauwatosa, Wis. 



1907. Illaenus cuniculus. Weller, This Bulletin, p. 219, pi. 19, figs. 

 1-6. 



Niagaran:, Hawthorn, 111. 



Illaenus danielsi M. & G. 



1893. Illaenus danielsi. M. & G., Bull. No. 3, 111. St. Mus. Nat, 

 Hist., p. 76, pi. 7, figs. 3-5. 

 Niagara: Bonfield, 111. 

 Illaenus daytonensis H. & W. 



1875. Illaenus daytonensis. H. & W., Pal. Ohio, vol. 2, p. 119, 

 pi. 5, figs. 14-16. 



Clinton: Near Dayton, Ohio. 



