18 THE NAUTILUS. 



H. palliata Say. Probably th rougbout tbe state altbougb I bave 

 seen no specimens from localities north of Gratiot County. 



H. palliata alba. Cited by Currier. 



H. injiecta Say. Soutbern part of the state. 



H. pulchella Mull. Common in tbe soutbern part of tbe state. 

 The costate form does not appear to have been found in tbe state as 

 yet. It occurs on Put-in-Bay Island, Lake Erie, and no doubt 

 will eventually be found within our borders. 



jBT. hibyrinthica Say. Everywhere in greater or less abundance. 



Papa fallax Say. Cited by Miles, Ann Arbor is tbe only local- 

 ity from which I have it. 



P. corlicaria Say. Cited by De Camp from Kent County. 



P. armifera Say. Soutbern part of the state. 



P. contrada Say. Everywhere. Common. 



Vertigo decora Gld. Cited by De Camp from Kent County. 



V. ovata Say. Generally distributed over tbe state. 



[F. gouldii Binn. Cited by Miles and De Camp. My own cita- 

 tion of 1879 was an error based on a specimen now referred to 

 tridentataJ] 



V. bollesiana Mse. Very generally distributed through tbe state. 



F. ventricosa Mse. Cited by De Camp from Kent County. 



F. tridentata Wolf. Ann Arbor. 



V. pentodon Say. Common. 



F. curvidens Gld. Oakland and Macomb Counties. 



F. edentnla simplex Gld. Not common but ranges generally 

 over tbe state. 



T^. milium Gld. Soutbern part of the state. 



Ferussacia siibcylindrica L. Generally distributed over the state. 



Succinea aurea Lea. Cited by De Camp from Kent county. 



S. avara Say. Abundant everywhere. Also cited as >S'. vermeta 

 Say, by Miles, Currier and De Camp. 



\_S. campestris Say. Cited by Sagar, but evidently a mistake for 

 S. obliqua which does not occur in bis list. Miles gives obliqua but 

 also gives campestris, probably quoting blindly from Sagar in this 

 as in other instances.] 



S. obliqua Say. Common all over the state, 



S. ovalis Gld. Abundant everywhere. This species is occasion- 

 ally infested by a species of Leucochloridium similar to the L. 

 paradoxuni Cams, found in tbe S. putris L. of Europe and figured 

 by Baudon in Jour, de Conch, V. 27, pi. X, fig. 6. In tbe same 



