74 NEW YORK STATE MUSEUM 



Invertebrates 

 Casselman, E. S. Lake Delaware 



Copepods, Cyclops strenuus Fischer i lot 



Peck, H. S. Menands 



Spider, Lycosa carolinensis, Walckenaer, fe- 

 male and eggs *. i 



Cass, Allan. Albany 



Slug, Limax maximus, Linnaeus i 



Bean, Dr Tarleton H. Albany 



Fresh-water clams, Unionidae 2 lots 



Exchange 

 Fresh-water and land shells 

 Baker, H. B. Ann Arbor, Mich. 



Goniobasis livescens (Merke) 



Campeloma decisum (Say) 



Valvata sincera (Say) 



Amnicola limosa ( Say) 



Vitrea ferrea (Morse) 



Cochlicopa lubrica (Miiller) 



Strobilops virgo (Pilsbry) 



Succinea retusa (Lea) 



Lymnaea emarginata (Say) 



Lymnaea emarginata angulata (Sowerby) 



Lymnaea stagnalis appressa (Say) 



Lymnaea stagnalis perampla (Walker) 



Physa ancillaria magnalacustris (Walker) 



Physa ancillaria parkeri ( Currier) 



Aplexa hypnorum (Linnaeus) 



P 1 a n o r b i s h i r s u t u s (Gould) 



Planorbis bicarinatus portagensis (Baker) 



Planorbis campanulatus smithii (Baker) 



Planorbis bicarinatus (Say) 



Segmentina crassilabris (Walker) 



Sphaerium sulcatum (Lamarck) 



Sphaerium acuminatum (Prime) 



Pisidium abditum (Haldeman) 



Pisidium abditum subrotundum ( Sterki) 



Pisidium regulare (Prime) 



Lampsilis luteola (Lamarck) 



Lampsilis nasuta (Say) 



