ear 



d 



CONTENTS, 



Page, 



AN Address delivered before the Essex County Natural History Society 

 on its Second Anniversary, June 15, 1836. By JOHN LEWIS 

 RUSSELL 



Act of Incorporation of the Society. ..... 2& 



Constitution. 2C 



By-Laws 28 



Officers of the Society for A. D. 1833 to 1837. . . . . 82 



Catalogue of the Library, A. D. 1837 33- 



Familiar Notice of some of the Shells found in the Limits of Essex County, 

 Massachusetts : with references to descriptions and figures. By JOHN 

 LEWIS RUSSELL 47 



^Notice of the occurrence of specimens of Vespertilio pruinosus, SAY. 



Hoary Sat. By H. WHEATLAND. ... 7G 



A Sketch of the Geology and Mineralogy of the Southern part of Essex 

 County, in Massachusetts : communicated to the Essex County Na- 

 tural History Society, April 24, 1839. By WILLIAM PHESCOTT. 78 



Two Species of Musci. By JOHN LEWIS RUSSELL. ... 92 



Remarks on Hyla (Femoralis) Pickeringii observed in the North Parish 



of Danvers. By ANDREW NICHOLS. 9$ 



Notice of rare plants : with a description of a (supposed) variety of Clado- 



nia Uncialis. By JOHN LEWIS RUSSELL. .... 96 



Remarks upon Scarabseus Goliatus and upon other African Beetles allied 

 to it. By THADDEUS WILLIAM HARRIS 101 



Retrospect of some of the Shells found in Essex County, . . . 110 



Occurrence of Scaphiopus solitarius in Essex County; v;ith some notice of 

 its history, habits, &c. By ANDREW NICHOLS. . . .113 



