Collecting site
Yellow Bay Creek, Montana, USA
latitude: 47.875999     47°52'33.6"N
longitude: -114.028     114°1'40.8"W
[Precision of location: Alexandria Digital Library (with USGS GNIS data)] 
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication] 
Collected here:
| Polycelis (Polycelis) coronata coronata (Girard, 1891) | Aug-Sep 1969 |  |  | about 10 yards from the shore of Flathead Lake; several specimens, some mature, collected by Frank P. Crawley and shipped to me alive.  (Besides this species, one specimen of Dendrocoelopsis vaginata Hyman). | 
| Dendrocoelopsis vaginata Hyman, 1935 | Aug-Sep 1969 |  |  | collected by Frank P. Crawley and shipped to me alive, one specimen. |