8 ROCHESTER ACADEMY OF SCIENCE. [Oct. 26, 



Patula alternata, Say. Rochester. 



Anguispira alternata., Morse. 

 Helix scabra, Lan. 

 " stroiigyloiles, Pfr. 

 " mo relax, Shutt. 

 " (lubia, Shepp. 

 Patula perspectiva, Say. Pittsford. 

 Helix patula, Desh. 

 Angicispira perspectixm, Tryon. 

 Patula striatella, Anth. Pittsford. 

 Helix rude rata, Ad. 



*' Cronkhiiei, Neroc. 

 Anguispira striatella, Tryon. 

 Patula CronkJiitei, Tryon. 

 Strobila labyrinthica, Say. Pittsford. 

 Helicodiscus lineatus, Say. Rochester. 

 Planorbis parallela. Say. ? 

 Hyalina lineata. Bin. 



Family LIMACIDiE. 



*Limax maximus, Lin. (pi. 4, fig. 4.) East Rochester. 



Liinax antiquoruni, Fer. 

 *Limax flavus, Lin. (pi. 4, fig. i.) East Rochester. 



Liinax variegatus, Drap. 

 *Limax agrestis, Lin. (pi. 4, fig 2.) 



Id max iunicata, Gld. 

 Limax campestris, Bin. (pi. 4, fig. 3) East Rochester. 



Limax campestris var. occidentalis, Cooper. 

 Tebennophorus caroliniensis, Bosc. (pi. 4, fig. 6.) Pittsford. 



Liinax togata, Gld. 



Phylomiciis carolinensis, Fer. 



Limax marmoratus, De Kay. 

 Tebennophorus dorsalis, Bin. (pi. 4, fig. 5.) 



As regards the habits of our land snails, their home is in the open 

 woodlands of beech, birch, oak and maple ; they do not frequent the 

 pine lands. I find the Mesodon albolabris, M. thyroides and M, Sayii 

 crawling over the surface of the dead leaves in these woods ; the 

 Zonites fuliginosa, Z. inornata, Z. inter texta and Macrocyclis concava 

 invariably under the dead leaves ; the Triodopsis palliata favors the 



♦These three species of Limax have been introducfd from Europe, and are now plentifully rep- 

 esented in our greenhouses and gardens. Our native species prefer the wooded ravines. 



