Phagocata velata (Stringer, 1909) | 1915-1917 | | | temporary puddle, 'black and muddy with only a minimum of algae growth; specimens came from the bottom mud, with the loose silt, leaves, and sticks dragged up in a dip net.' |
Macrostomum sensitivum Silliman, 1884 | 1915-1917 | | | pond. |
Prorhynchus stagnalis Schultze, 1851 | 1915-1917 | 3 feet | mud bottom | ponds. taken in the latter part of April, 'from the protected side of a mud bottomed little lake. They came with the loose silt from a depth of three feetk, where the wate was fairly clear and containing little or no algae.' |
Mesostoma angulare Higley, 1918 | 1915-1917 | | | 20 specimens from hauls from a pond near Urbana. |
Macrostomum album Higley, 1918 | 1918 or earlier | | | ponds near Urbana. |