March, 1914.] Ohio Mollusca— Additions and Corrections. 271 



Lymnaea columella casta Lea: Poland (type locality); Kent 



(Dean, St.). 

 Lymnaea sterkii Baker, is a var. of parva Lea, t. Baker. 

 Lymnaea dalli Baker, West of Cleveland! (Allen). 

 Lymnaea — modicella Say, is a var. of humilis, Say, not of obrussa, 



t. Baker. 

 Lymnaea humilis rustica Lea: Poland (type locality). 

 Lymnaea humilis Say, typical, is not in Ohio, t. Baker. 

 Lymnaea obrussa vSay, has to take the place of L. desdiosa, Say, 



which is a var. of palustris, t. Baker. 

 Lymnaea elodes Say, distinct from palustris, MuUer, t. Baker; 



various parts of the State. 

 L. elodes jolietensis Baker. Poland, Mahoning Co.; Akron 



(B. Walker) ; La Grange, Lorain Co. (B. Walker). 

 Lymnaea reflexa walkeri Baker. Near Cincinnati. (Lea). 

 Lymnaea exilis Lea, = L. zebra, Tryon, distinct from L. reflexa 



Say, t. Baker; Cincinnati; Poland, Mahoning Co.; pond near 



Congress Lake (Walker); Hudson (Rush). 

 Lymnaea kirtlandiana Lea, a distinct species, t. Baker; Portage 



Co. (Dean); Garrettsville, Portage Co. (t. Hinklcy, Walker). 

 Lymnaea lanceata Gould. Hudson! (Walker, Rush); Lucas Co. 



(Goodrich.) 

 Planorbis trivolvis binneyi Tryon. Near Hudson, Summit Co. I 



(Rush); Alantua, Portage Co. (Allen); Lucas Co. (Goodrich). 

 Planorbis multilineatus Vanatta, appears to be not distinct from 



dilatatus, Gould. 

 Planorbis deflectus vSay, needs revision. 

 Segmentina crassilabris Walker. Wood Co.! (Goodrich). 

 Vivapara contectoides W. G. Binney. A specimen is said to have 



been found in Sandusky Bay. 

 Campeloma integrum vSay is a var. of decisum Say. 

 Ammicola letsoni Walker. Toledo! (Goodrich). — Amn. — "sp." 



is still undescribcd. 

 Lampsilis ovata (Say) is a form, or var., of ventricosa Barnes. 

 Quadrula hippopoea Lea is a fonii of undulata Barnes, not of 



plicata Say. 

 Quadrula schoolcraftensis Lea appears to be distinct from pustu- 



losa; Tifhn Riv. (Goodrich ,St.); Lake Erie at Toledo (Good- 

 rich); Ohio River, rare (St.). 

 Quadrula pustulosa kleineriana Lea is a southern form, not in 



Ohio. 

 Sphaerium simile Say must be S. sulcatum Lamarck. 

 Sphaerium acuminatum Prime. Lake Erie at Toledo and Maumee 



Riv.! (Goodrich). 

 Sphaerium ohioense Sterki. Ohio Riv. at Cincinnati (St.); also 



in W. Va. and Ind. 



