March, 1914.] Ohio Mollusca—Additions and Corrections. 
271 
Lymnasa 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 obrassa, 
t. Baker. 
Lymnaea humilis rustica Lea: Poland (type locality). 
Lymnaea humilis Say, typical, is not in Ohio, t. Baker. 
Lymnaea obrussa Say, has to take the place of L. desdiosa, Say, 
which is a var. of palustris, t. Baker. 
Lymnaea elodes Say, distinct from palustris, Muller, 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. Hinklev, Walker). 
Lymnaea lanceata Gould. Hudson! (Walker, Rush); Lucas Co. 
(Goodrich.) 
Planorbis trivolvis binneyi Tryon. Near Hudson, Summit Co.! 
(Rush); Mantua, Portage Co. (Allen); Lucas Co. (Goodrich). 
Planorbis multilineatus Vanatta, appears to be not distinct from 
dilatatus, Gould. 
Planorbis deflectus Say, needs revision. 
Segmentina crassilabris Walker. Wood Co.! (Goodrich). 
Vivapara contectoides W. G. Binncv. A specimen is said to have 
been found in Sandusky Bay. 
Campeloma integrum Say is a var. of decisum Say. 
Ammicola letsoni Walker. Toledo! (Goodrich).— Amn. —“sp.” 
is still undescribed. 
Lampsilis ovata (Say) is a form, or var., of ventricosa Barnes. 
Quadrula hippopoea Lea is a form of undulata Barnes, not of 
plicata Say. 
Quadrula schoolcraftensis Lea appears to be distinct from pustu- 
losa; Tiffin 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. 
