10 



6. a. Cyc. elegans C. B. Adams. 



1. Sph. fabalis Prime. 



7. a. Cyc. castanea Prime. 

 7. b. Cyc. sulculosa Charj). 



8. Sph. oceidentale Prime. 



9. Sph. nobile Gould . 



10. Sph. patella Gould 



11. Sph. Vermontanum Prime. 



1 2. Sph. emarginatum Prime 



1 3. Sph. flavum Prime 



14. Sph. elevatum Haideman. 



14. a. Cyc. 2)allkla Charj^ 



1 5. Sph. partumeium Say 



Brattleborough, Vt. 



ex a net. 



Lake Champlain. 



ex Budd ; the speci- 

 men figured by De- 

 Kay under that 

 name. 

 . .Lake Superior region. 



Lansino;, Mich.; Ohio ; 

 Greenwich, N. Y. ; 

 Owasco Lake, N, 

 Y. ; Clinch river, 

 Yii. ; Tennessee ; 

 Georgia. 



Wabash river, 111. 

 ? 



ex auct. 

 . .Canada. 

 Tuscola Co., Mich. ; 

 Herkimer Co., N. 

 Y. ; Otsego, N. Y. ; 

 Greenwich, N. Y. ; 

 Erie Canal ; Ver- 

 mont ; Wisconsin ; 

 Ohio ; Hell Gate 

 river, Washington 

 Terr. ; Georgia. 

 ..San Pedro, Cai: 



ex auct. 

 . .Oregt.)n. 

 ex auct. 

 . . Lake Champlain. 



Lake Memphramagog. 

 . .Lake Sujterior region. 

 . .Sault St. Marie, 

 , . .Alabama. 

 ex aui-t. 

 Florida, 

 ex auct. 

 ...Cambridge, Mass. 

 Connecticut ; Lake 

 Gt'orge. N. Y. ; 

 Whitehall, N. Y. ; 

 Tdttenville, Staten 

 I., N.Y.; El ieCanal ; 

 New Jersey ; l^enn- 

 sylvania ; Chester, 

 Pa. ; Illyria, Ohio; 

 Alabama ; Missis 

 eippi ; Columbus, Ga, 



