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. 



a Luteola (Lamarck, Unio), most common. 



a ligamentina (Lamarck, Unio), rather scarce at Me- 

 chanicsville, O. 



a recta (Lamarck, Unio), not rare. 



(( iris (Lea, Unio), rather scarce. 



u parva (Barnes, Unio), rather scarce. 



Obovaria circulus (Lea, Unio), scarce. 

 Pytchobranchtis phaseolus (Hildreth, Unio), rare. 

 Quadrula undulata (Barnes, Unio), abundant. 



II Kirtlandiana (Lea, Unio), very rare. 



« rubiginosa (Lea, Unio), not rare. 

 Unio gibbosus Barnes, rather common. 

 Symphvnota compressa (Lea, Unio pressus), not plentiful. 

 a 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. 



« luteola (Lamarck, Unio), common. 



a recta (Lamarck, Unio), scarce. 



u nasuta (Say, Unio), rather scarce. 



u 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). 



« pustulosa ? (Lea, Unio), an imperfect specimen. 



u rubiginosa (Lea, Unio), fairlv common. 



Unio gibbosus Barnes, 



fairlv common. 



