INDEX TO VOLUME THREE, 



C OM u NIC ATIONS, Verbal. 



Agassiz, L. on the growth of the 

 Natica heros . . . . 2 5 '2 



Barden, S. on the minerals of 

 Rockport, 205 



Batchelder, Jacob, on the deci- 

 mal system in weights and meas- 

 ures, 50 



On the Saccharine qualities of 

 the Beet Root, .... 58 



Dodge, A. W. Historical notice 

 of Hamilton, .... 29 



Gregory, J. J. H. on the geology 



of Lynn, 101 



On the geology of Cape Ann, 205 



Jackson, C. T. on the geology of 

 Rockport, 274 



Nichols, David on Photographs of 

 Washington, .... 229 



Oliver, H. K. on the habits of 

 the Honey Bee, . . . 256 



Osgood, George, on Notice of 

 Rev. Dr. Cutler and the plants 

 of Hamilton, 31 



Phippen, George, D. on Fibrilia 

 or Flax Cotton, ... 61 

 Historical Notice of Cape Ann, 97 



Reed, J. W. on the Topographi- 

 cal history of the Merrimac 

 River, ...... 19 



Russell J. L. on plants at Grove- 

 land, 18 



Roberts, David, on the character 

 of D. A. White, . . . ,68 



Tracy, C. M. on plants at Tops- 

 field, 15 



On plants at Gloucester, . 99 

 On Woodwaxen, ... 201 

 On plants at Rockport, . 276 



I Wheatland, H. on Minerals on 

 Salem Neck, .... 280 



Wheatland, R H. on the devel- 

 opment of the Common Toad, 36 



Wildes, G. D. Historical Notice 

 of Newburyport, . . 285 



COMMUNICATIONS, Written, 



Barden, Stilhnan, on the Geolo- 

 gy of Rockport, ... 231 



Beaman, C. C Historical Sketch 

 of the Howard Street Church, 

 Salem, . . . .126 

 on the Geographical outline of 

 Cape Cod, its discovery, 130 



Felt, Joseph B. Historical Notice 

 of Hamilton, .... 214 

 On John Endicott, the First Gov- 

 ernor, 239 



Historical Sketch of the Forts, on 

 Salem Neck, ... 279 



Fowler, S. P. on changes pro- 

 duced by civilization in the hab- 

 its of our common birds, . 31 

 On Cotton Mather, . . 119 



