emy of Science at Salem, and where the species 

 has not been collected and its occuri^ence is only 

 known by the testimony of some writer, it is so 

 .stated in the list. 



Several errors have been detected in early 

 local lists and corrected, and such notes added 

 to the paper as seem of interest locally or 

 otherwise. 



The writer can only in a general way here 

 thank those who have assisted him in his work, 

 and he trusts that the mention of their names 

 in the following pages will be accepted as ac- 

 knowledgments of his indebtedness. 



PEABODT ACADEMJ OF SCIENCE, 

 SALEM, 1880. 



