96 THE NAUTILUS. 



Vallonia pulchella Mtill. 



Vallonia excentrica Sterki. 

 Acanthinula harpa Say. 

 Zonitoides arborea Say. 



Vitrea cellaria L. 



Vitrea radiatula Aid. 

 Euconulus fulvus Miill. 

 Pyramidula cronkhitei anthonyi Pils. 

 Pyramidula alternata Say. 



Vitrina limpida Glcl. 



Cochlicopa lubrica Miill. 



Succinea ovalis totteniana Lea. JOHN B. HENDERSON. 



I NOTICE that, in my note published in THE NAUTILUS, the Ed- 

 itor changed " Schowalter " to " Showalter," as Lea and others wrote 

 it ; I wrote it so myself until recently. Being in doubt about the 

 spelling, I asked Dr. Schowalter's son, whom I met at Point Clear s 

 near Mobile. He said that both he and his father always wrote the 

 name with a c. It is a small matter, but deemed worthy of men- 

 tioning. HERBERT H. SMITH. 



LAND SHELLS OF CECIL Co., MARYLAND, collected by Mr. 



Bayard Long A small lot of leaf-mould gathered in the rocky 



woods along the Susquehanna River at Bald Friar, contained the fol- 

 lowing species. As nothing has been published on the shells of this 

 part of Maryland, the records may be of interest, especially Polyyyra 

 fraudulenta and Bifidaria procera, neither of which has turned up in 

 the adjacent part of Pennsylvania : 



Polygyra albolabris (Say). Vitrea rhoadsi Pils. 



thyroides (Say). hammonis (Strom.). 



fraudulenta (Pils.). Pyramidula alternata (Say.). 



hirsuta (Say). perspectiva (Say.). 



Circinaria concava (Say). Punctum pygnxzum (Drap.). 



Gastrodonta intertexta (Binn.). Bifidaria procer a (Old.). 



suppressa (Say.). contracta (Say.). 



Zonitoides minuscula (Binn.). pentodon (Say.). 



Vitrea indentata (Say.). Carychium exile H. C. Lea. 



H. A. PILSBUY. 



