Index to Volume IV. 



Actinia, Living, 171 



Address, Inaugural, of the 



President, 106 



Air-bubbles, Removing, from 



a balsam mount, 154 



Antelope, Prong-horn, Sec- 

 tions of hair of, 167 



Annual Reception, The, . ... 155 

 AsHBY, George E., Insects in 



Gum Copal, 176 



BaciUus, Comma, repvited 



cause of Cholera, 18 



Bates, William H., Cholera 



Asiatica, 13 



Beecher, Charles E., Method 



• of preparing radulae, 7 



Beetle, " Brush and Comb " of 

 , the, Harpalus Pennsylvani- 



cus, 169 



, The, Zopherus Mexi- 



canus, cutting metal, 145 



Bibliography of the Foramini- 



fera. Supplement I. to the,.. 33 



Bitter-sweet, fungus on, 80 



Black cross of the Sugar Pine,. 158 

 Bone, Sections of, of Finback 



Whale, 163 



Briggs, D. H. , Beautiful 



Micro-polariscope Objects,.. 115 

 Britton, N. L., Seed-coats of 



Habenaria Hooker i, 165 



Brooklyn Institute, Micro- 



scopical Section of, 175 



, Microscopical Society, 



Extract from Proceedings of, 96 

 " Brush and Comb " of the 



beetle, Harpalus Pennsyl- 



vanicus, 169 



Bubbles, Air, Removing from 



a balsam mount, 154 



Cabinet : see Donations 



Celastrus scandeiis, fungus on, 80 

 Centering, Continuous, of a 



cover-glass 159 



Chameleon, Skin of the, . . .154, 158 



Cholera, Asiatica, 12 



, Comma bacillus, reputed 



cause of, 18 



, Neurosis of, 15 



Cicada, Mouth-parts of, 81 



Coal, Woody structure in,. . . . 158 

 Coelenterate animals. Thread- 

 cells of, , 131 



Color, Change of, in Chame- 

 leon, 154 



- — — ^, in cuttle-fish, 155 



, in frog, 155 



Comma bacillus, reputed cause 

 of Cholera, 18 



Committee on Annual Recep- 

 tion, 93 



, on Nominations, 93 



, on death of Joseph Zent- 



mayer, 165, 174 



Conch, Radula of the, 1 



Cover-glass, Continuous cent- 

 ering of, 159 



Cox, Charles F., Inaugural 

 Address, 106 



, Phosi)horescence of ma- 

 rine organisms, 123 



, Photographs by Dr. Van 



Heurck, 133 



, Thread-cells of certain 



coelenterate animals, 131 



, Inorganic forms resem 



bling diatoms, 167 



Cuttle-lish. Change of color in, 155 



Current-slide, Holman's 167 



Damon, William E., Living 

 Actinia, 171 



Der-mestes, Vitality of larva of, 170 



Devoe, F. W., The Beetle, 

 Zopherus Mexicanus, cut- 

 ting metal, 145 



Diamonds, Meteorite contain- 

 ing , 162 



Diatoms , Correction of article 

 on 32 



, Inorganic forms resem- 

 bling, 167 



Discomedeusae, 164 



Donations to Cabinet and 

 Library : — 



By J. L. Zabriskie, 88, 93, 158, 



162. 167 



George F. Kunz, 88, 170 



Charles E. Beecher, ... 93 



Miss Mary A. Booth,. .. 120 



G. S. WOOLMAN, 120 



A. M. Cunningham, 120 



D. H. Briggs, 125 



James Walker, 152 



N. L. Britton, 165 



W. Alfred McCorn, ... 175 



