312 



Index. 



Chickadee, 21, 33, 38, 65, 



69, 206, 261. 

 friendly disposition of, 45. 

 Chippy, 93, 154. 

 Clay, 219. 



Colorado, canons of, 246. 

 Condor, 127. 

 Coot, 187. 

 Cougar, 191. 

 Creek, Crosswicks, 186, 233, 



299. 

 Creeks, archaeological traces 



of, 118. 



geological traces of, 117. 

 Creeper, tree, 21, 175. 



Virginia, 254. 

 Crosswicks creek, 186, 233, 



299. 



age of, 117. 

 Crow, 31, 35, 37, 42, 56, 68, 



101, 148, 164, 180, 248. 

 Crows, conversation among, 

 43- 



D. 



Dabchick, 187. 

 Deer, 219. 



Delaware Valley, archaeology 

 of, 307. 



Dodder, 137, 195. 

 Dogwood, 252. 

 Duck, wood, no. 



E. 



Eagle, bald, 184. 

 Education, incompleteness of 

 ordinary, 279. 



F. 



Falcon, black, 59. 



Fish, ignorance of habits of, 



281. 

 silvery, seen in water, 



142. 



voracity of, 28. 

 Flicker, 69. 



Flowers, skeletons of, 17, 36. 

 Flycatcher, great-crested, 52, 



101. 



Fox, cunning of, 50. 

 Friends, Society of, 266. 

 Frost, curious effects of, 17. 



G. 



Glacial drift, 189. 

 period, 115. 



