﻿Phylloxera vastatrix, 138. 

 Postal Micro Cabinet Club, American, 90. 

 Potomac Side Naturalists' Club, 12, 181. 

 Prentiss & Coues, Drs., Article by, 

 191. 



Rathvon, S. S., 50, 51, 96, 105, 114, 



156, 164. 

 Remarks on the Birds of the District of 



Columbia, 191. 

 Resurrection Plants, 99. 

 Ridgway, Robert, 37, 93, 195, 208. 

 Ruffed Grouse, Drumming of, 57. 



Sardine Fisheries, 88. 



Sagacity of a Fox, 144. 



Saunders William, Article by, 138. 



Scientific Names of our common Sun- 

 fishes, 188. 



Scott, David, 57, 107. 



Seaman, Wm. H., 6, 47, 66, 68, 168. 



Seaman, Mrs. M. P., 121. 



Second Blossoming, 66. 



Second Blooming, 105. 



Seeds, Jumping, 53. 



Seeds, Vitality of, 6. 



Sense of Hearing in Birds and Insects, 

 162. 



Sexual, Individual and Geographical Va- 

 riation in the Genus Leucosticte, 37. 



Sexual Variation in the Genus Leucos- 

 ticte, 76. 



Schaeffer, Dr. E. M., 2. 



Shell Heaps of Delaware, 50. 



Shell Heaps in Maryland, 25. 



Sinea Multispinosa, 67. 



Singing Mice, 204. 



Skeleton Making, Hints on, 173. 



Snow Fleas, 145. 



" Stand off" between Snake and Frog, 



123. 

 Steganopus, Wilsoni, on the habits of, II. 

 Stockwell, Dr. G. A., 149. 

 Sunfishes, Scientific Names of our com- 



com, 188. 



Taylor, Thos, 79. 



Tendency in Birds to Vary their habits, 



107. 

 Tepularia, discolor, 66. 

 Trap door Spider, 120. 

 Two Pupae in one Cocoon, 203. 

 Typhoid Fever, How Spread, 35. 



Uhler, Prof. Philip, R., 73. 

 Unusual Accidents to Birds, 106. 



Vasey, Dr. Geo., 142. 



Vegetable and Animal Cellulose, 79. 

 Vitality of Seeds, 6. 

 Volume Second, 1. 

 Vorce, C. M., Note by, 90. 



Watermelon Blight, 68. 

 Ward, L. F., 122, 183. 

 Webster, Prof. N. B., 65. 

 What was their motive ? 68. 



Yarrow, Dr. H. C, 185, 207. 

 Young, Mrs. M. G., 203. 



