189I.] WALTON MOLLUSCA OF MONROE COUNTY. II 



*Vertigo ovata, Say. (pi. 5, fig. 10.) 

 Vertigo tridentata, Wolf. 

 Pupa ovata, Gld. 

 " viodesta, Say. 

 " ovuli/iii, Pfr. 

 Isthmia ovata, Morse. 

 Carychium exiguum, Say. (pi. 5, fig. u.) Rochester. 



Family STENOGYRIDiE. 



Ferussacia subcylindrica, Lin. (pi. 2, fig. 12.) East Rochester. 

 Helix lubrica, Miill. 

 Bulimus lubricus, Drap. 

 Achatina lubrica, Pfr. 

 Zua I II brie a, Leach. 

 Cionella lubrica, Jeff. 

 Zua subcylindrica, Tryon. 

 Cionella subcylindrica, Bin. 

 Bulimus lubricoides, Stimp. 

 Zua lubricoidea, Morse. 

 Ferussacia subcylindrica. Bin. 



Family SUCCINEIDiE. 



Succinea ovalis, Gld. (pi. 2, fig. 13.) Charlotte. 

 Succinea Decampii, Tryon. 

 " calumetensis. Calk. 

 Succinea avara, Say. (pi. 2, fig. 15.) Rochester. 

 Succinea Wardiana, Lea. 

 " vermeta, Say. 

 Succinea obliqua, Say. (pi. 2, fig. 16.) Pittsford. 

 Succinea lineata, De Kay. 

 " campestris, Gld. 

 " Greerii, Tryon. 



^Succinea Totteniana, Lea. (pi. 2, fig. 17.) 

 Succinea aurea, Lea. (pi. 2, fig 14.) Rochester. 



Family LIMN^IDiE. 



Limnaea stagnalis, Lin. (pi. 6, fig. 9.) Brighton. 

 Li mnaa jugular is. Say. 

 " appressa. Say. 

 " speciosa, Zieg. 



* Reported by Mrs. Olnev. as being found in or near Rochester. 



