NO. 2] SNAILS OF THE GENUS 10— ADAMS. 17 



Group 7. Lot 11. St. Paul, Va., on a rocky shoal about a mile and a half below the town. 

 August 5, 1899. About 23 miles downstream from lot 56. The type specimen of paulensis 

 is from this lot. 



Lots 14, 16, and 52. St. Paul, Va., as above. August, 1899. 



Lot 53. Wheelers Ford. St. Paul, Va. October, 1899. Collected by N. F. Blevins, and 

 sent alive to me at Chicago. These snails were received October 28 and kept alive for several 

 months in an aquarium. From St. Paul it is about 53 miles downstream to the Virginia State 

 line. 



Supl. lot 12. St. Paul, Va. Dead shells found at sites of old Indian camps. August, 1899. 

 The series contains immature and adult shells and is a fair sample of those found living in the 

 river. 



Swpl. lot 6. Between St. Paul and Dungannon, Va., near the mouth of BuU Eim Creek. 

 August, 1899. A small series. 



Supl. lot 50. Dungannon, Va. August, 1899, 



Group 8. Lot 170. Grears Ford, about 1 mile below Dungannon, Va. Bristol sheet. 

 Collected by T. W. Stratton, of Clinchport, Va., during July, 1901. Thirty-six shells. 



Lot 166. About one-fourth of a mile above Wood P. O., Va., EstillviUe sheet. Collector, 

 T. W. Stratton, July, 1901. Thirty-seven shells. 



Lot 168. Just below the mouth of Stony Creek, Fort Blackmore, Va. T. W. Stratton, 

 July, 1901. Thirty-five shells. 



Lot 51. About the third shoal below the mouth of Stony Creek, near Fort Blackmore, Va., 

 August 12, 1899. 



Lot 16Jf.. Pendleton Islands, 2 miles below the mouth of Stony Creek, Fort Blackmore, Va. 

 T. W. Stratton, July, 1901. About 13 miles above Clinchport, Va. Twenty shells, much hke 

 lot 55, from Clinchport. 



Lot 167. Just above the ' ' Suck," about 4 miles below Fort Blackmore, Va. T. W. Stratton, 

 July, 1901. Thirty-nine shells. 



Lot 165. Sailings Ford, about 4 miles below Fort Blackmore and above Crafts Ferry, Va. 

 T. W. Stratton, July, 1901. Twenty-seven shells. 



Lot 169. Stanus Bend, 2 miles above Crafts Ferry, Va. T. W. Stratton, July, 1901. 

 Sixteen shells. 



Supl. lot 161. From a bend in the river one-half mile below Crafts Ferry, Va. T, W. Strat- 

 ton, July, 1901. Fifteen strongly spinose shells. 



Group 8 consists of many small lots of shells, and extends over about 14 miles of the river. 

 The shells are just beyond the transitional stage from the smooth to the strongly spinose forms, 

 iand are the form paulensis. 



Group 9. Supl. lot 160. Near Fort Blackmore, Va. Just below Crafts' miUdam, below 

 the mouth of Stony Creek. Collected by T. W. Stratton, July, 1901. Fifteen shells. 



Supl. lot 162. Stanton Shoals, Va., about 1 mile below Crafts Mill. Collected by T. W. 

 Stratton, July, 1901. Fifteen shells. 



Supl. lot 174. Carters Ferry, 3 miles above Clinchport, Va. T. W. Stratton, July, 1899. 

 Twenty-nine shells. 



Supl. lot 171 . Clinchport, Va. Just below the mouth of Stock Creek. T. W. Stratton, July, 

 1901. Eighteen shells. 



Lot 55. Clinchport, Va. Indian Shoals, near McDonald 's sawmill. Collected in the latter 

 part of September, 1899, by T. W. Stratton. EstillviUe sheet, U. S. G. S. Consult plate 37. 



Supl. lot 172. Indian Shoals, about 100 yards below McDonald's sawmiU, Clinchport, Va. 

 T. W. Stratton, July, 1901. Thirty-two shells. 



Supl. lot 173. Clinchport, Va. Thomas Shoals, 1 mile below the town. T. W. Stratton, 

 July, 1901. Twenty- three shells. 



Supl. lot 163. From below Venables null dam at Speers Ferry. T. W. Stratton, July, 1901. 

 Seventeen shells. 



