209 



clathris humilibus acutis ad 16 instructis, ad intervallos minutis- 

 sime et longitudinaliter striatis : aperlura rotundato-lunata, ab an- 

 fractu penultimo late sejiincta ; peristomale continuo, exlrorsum 

 expanse : operculum laminis arrectis radianlibus eccenlricis 

 ornatum. Lat. -^%^ alt. ^ poll. Hub. Tnhclu. 



The distinguishing marks are, its slender form, unusually- 

 convex whorls, and the protrusion of the last whorl. 



Trtjncatella rostrata. Testa parva, conico-cylindracea, 

 nitida, decollala, incarnala, oblique clathrata ; clathris ad 12 

 robustis : spira anfr. 5 convexiusculis : apertura parva, oblique 

 ovata; peristomate continuo, crasso, albido, duplici, reflexo. 

 Lat. ^(y, alt. ^jj poll. Hah. Rio Janeiro. 



In size and color it is much like T. Cumingiana, Adams, 

 which is still smaller, has only 8 bars, which are whitish, more 

 elevated and acute. The secondary lip gives the base of the 

 shell, when viewed in profile, a rostrated appearance. 



Dr. Storer submitted a letter from A. W. Chapman of 

 Apalachicola, Florida, accompanying a package of Florida 

 Plants, which " he desires to present to the Society, in re- 

 turn for its Proceedings and selections from its Journal, 

 which he has from time to time received from its members, 

 and read with much satisfaction." 



The plants were committed to Mr. Teschemacher. 



Mr. Edward Phillips was nominated for election as a 

 member of the Society, by B. A. Gould, Esq. 



March 3, 1847. 



Dr. C. T. Jackson, Vice President, in the Chair. 



Dr. Gould presented a paper, furnished for the Journal, 

 by Prof. Dewey of Williams College, being a notice of a 

 work entitled " Symbolae Caricologicae ad synonymiam Ca- 



PROCEEDINGS B. S. N. H. 19 JUNE, 1847. 



