41. VITRINA LIMPIDA Gld. 
Abundant on Lime Island in the St. Mary’s river. Found 
also at Charlevoix and Traverse City. A northern species. 
42. VITREA CELLARIA (Miill.) 
First found a number of years ago ina green-house in the 
city of Detroit. Later a single specimen was found among 
material collected at Alma, Gratiot county, of Prof. C. A. 
Davis, Another specimen was discovered in a lot of Vi/rew 
collected by Prof. F. EK. Wood at Bay City. 
43. VITREA HAMMONIS (Strom). 
A common species of general distribution, better known 
as V. radiatula ( Ald.) or wir7dula (Mke.) It was not as com- 
mon a species as arboreus. ‘* Not abundant in Kent county,” 
Strenge. 
44. VITREA WHEATLEYI (Bld.) 
This species has only been recently recognized as a mem- 
ber of our fauna. 'A specimen collected over forty years ago 
by Dr. Miles in Tuscola county and labeled //matu/a (Wd.) by 
W. G. Binney is still in the collection of the Agricultural Col- 
lege at Lansing. Almost simultaneously with the proper 
determination of this specimen by Dr. V. Sterki, the species 
was discovered in Kalamazoo county by Dr. R. J. Kirkland. 
It has also been found at Grand Rapids and at Traverse City. 
These citations indicate a general distribution in the lower 
peninsula. 
45. VITREA BINNEYANA (Mse.) 
The returns indicate a general distribution in the north- 
ern part of the state. South of Iosco county, it has been 
reported only from Kent county, where it is ‘‘ rare” according 
to Streng. 
46. VITREA FERREA (Mse. ) 
Reported only from the Grand Traverse region at Petos- 
key, Charlevoix and Traverse City. 
47. VITREA INDENTATA (Say). 
Generally distributed in both peninsulas, but not as com- 
mon as either avboreus or hammonis. ‘* Rare in Kent county,” 
Streng. 
48. CoONULUS FULVUS (Mull.) 
As in the case of S/vobc/ops, the recent revision of the 
species of Conulus by Pilsbry render the returns of the census 
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