250 



novel forms, some of them resembling leeches, spiders, &c. 

 It consisted of elongated, hexahedral crystals, twisted and dis- 

 torted into a variety of shapes. 



Mr. Bouve presented fifty species of fossil shells from 

 the post-pleiocene deposit of Nantucket, from Point Shir- 

 ley and Augusta, Me., and some from Martha's Vineyard. 



Mr. Bouve exhibited a specimen of Lazulite from North 

 Carohna. The mineral had been analyzed by Mr. Whit- 

 ney. It is a new mineral in America. 



A male Eider Duck, Somateria moUissima, and a female 

 Crested Grebe, Podiceps cristatus, v^^ere presented in the 

 name of Mr. Theodore Lyman. Male and female Purple 

 Sandpiper, Tringa mariiima were added to the Collection 

 by purchase. The thanks of the Society were voted for 

 Mr. Lyman's donation. 



Specimens of Muscle Shells, from Mt. Joy, Me., were 

 presented in the name of Mr. Horatio R. Storer, with the 

 following statement. 



The width of the vein was from one to two feet; the shells, 

 when found, were closely packed together and mostly entire ; 

 they were at least fifty feet above the level of the sea, and about 

 forty below the top of the hill. The strata above them were of 

 coarse gravel, in which the dip appeared to vary greatly, — the 

 whole surmounted by a layer of large rounded stones, some of 

 which might weigh from 100 to 300 pounds. 



The thanks of the Society were voted for the donation. 



Adult and young skulls of Troglodytes niger were pre- 

 sented in the name of Dr. Savage ; Skull of a species of 

 Felis from South America, of a Bat of the genus Pteropus, 

 from the East Indies, Skull and pelvis of American Opos- 

 sum, Didelphis Virginianus, were presented by Dr. Lewis. 



Dr. Durkee presented a specimen of Grass, species 

 unknown, from Alabama. It is one of the earliest grasses 

 of the spring in that State, and is, when young, much used 

 as fodder for cattle. It grows to tlie height of five feet. 



