June, 1910.] 
Naiades of Cedar Point, Ohio. 
183 
NAIADES OF GRAND RIVER, OHIO. 
L. B. Gary. 
Lampsilis ventricosa (Barnes, Unio), fairly common. 
a multiradiata (Lea, Unio), one specimen, Painesville, O. 
u Luteola (Lamarck, Unio), most common. 
« ligamentina (Lamarck. Unio), rather scarce at Me- 
chanicsville, O. 
« recta (Lamarck, Unio), not rare. 
« iris (Lea, Unio), rather scarce. 
u parva (Barnes, Unio), rather scarce. 
Obovaria circulus (Lea, Unio), scarce. 
Pvtehobranchus phaseolus (Hildreth, Unio), rare. 
Quadrula undulata (Barnes, Unio), abundant. 
« Kirtlandiana (Lea, Unio), very rare. 
« rubiginosa (Lea, Unio), not rare. 
Unio gibbosus Barnes, rather common. 
Symphvnota compressa (Lea, Unio pressus), not plentiful 
u costata (Rafinesque, Alasmidonta), common. 
Alasmidonta marginata Say, not very common. 
Hemilastena ambigua, (Say, Alasmodonta), not rare. 
Strophitus edentulus (Lea, Anodonta), common. 
Anodontoides ferussacianus subcylindraceus? Lea, one specimen. 
Anodonta grandis (decora?) Lea, common. 
This list is the result of several years collecting at Mechanics- 
ville, Austinburg Tp., Ashtabula Co., O., with the one exception 
noted. 
263 Hoyt St., Buffalo, N. Y. 
NAIADES OF CEDAR POINT, OHIO. 
L. B. Gary. 
Lampsilis ventricosa (Barnes, Unio), common. 
u luteola (Lamarck, Unio), common. 
« recta (Lamarck, Unio), scarce. 
u nasuta (Say, Unio), rather scarce. 
« alata (Say, Unio), common, 
u gracilis (Barnes, Unio), plentiful. 
Plagiola donaciformis (Lea, Unio), rare. 
Obovaria circulus (Lea, Unio). very common. 
Quadrula plicata (Say, Unio). 
undulata (Barnes, Unio). 
u pustulosa ? (Lea, Unio), an imperfect specimen. 
« rubiginosa (Lea, Unio), fairly common. 
Unio gibbosus Barnes, fairly common. 
