Haplophragmium cassis, a Rare 

 Foraminfer, Notice of a New 

 Locality for, 77 



Hermit-Crab, Eggs of the, . . . 147 



Heydenreich, L., The Best 

 Cover-Glass Cement, 35 



Higli-Ref ractive Mounting 

 Medium, A New, 13, 18 



Illumination, Electrical, for tiie 

 Microscope, 16 



Illuminator, . Black-Ground, A 

 Simple and Inexpensive 

 Form of, 28 



Inclusions, Rock, 148 



Index to Articles of Interest to 

 Microscopists, 22, 39, 51, 65, 83, 



: 103, 115, 131, 152. 



Iron Pyrites, The Microscopi- 

 cal Structure of the,. 85 



Itch Mite (Sarcoptes scabiei), . . 35 



Jasperized Wood from Arizona, 

 Geological Period of the, ... 47 



JULiEX, Alexis A., The Micro- 

 scopical Structure of the 

 Iron Pyrites, 85 



Jurisprudence, The Microscope 

 in, 68 



Laomedea 147 



Larva?, Vitality of the, of the 

 Nut- Weevil {Balaninus nu- 

 ciivi) 30 



LAURENt, Emile, The Microbes 



, of Panary Fermentation, . . 41 



Leaf-Scale (Rhytisma acerri- 

 mum). Maple, The, . .142 



Leggett, F. W. , Vitality of the 

 Larvae of the Nut-Weevil 

 {Balaninus nucum) 30 



Lentinus lepideus causing De- 

 cay in Timber, 36 



Librarian, Report of the, 34 



Liverworts (Hepatic^), 105 



LocKwooD, Samuel, The Life 

 of a Diatom 135 



. The Maple Leaf-Scale 



(Rhytisma acerrimum), 142 



, Raising Diatoms in the 



Laboratory, . 153 



Marchantia polymorpha, L.,. .105 



Mayer, Alfred M., A simple 

 and Inexpensive Form of 

 Black-Ground Illuminator,.. 28 



Microbes, The, of Panary Fer- 

 mentation, 41 



Microscope, The, in Jurispru- 

 dence, .... 68 



Microscopical Structure, The, 

 of the Iron Pyrites, 85 



Microsphceria extensa, C. & P., 



, Fungus, Fruit of the 149 



Miscellanea :— 



Cartilage, 67 



The Mici'oscope in Jurispru- 

 dence, ... 68 



Mounting Medium, A New 



High-Refractive, 13, 18 



Media, High-Refractive,. . 75 



Nut- Weevil (Balaninus nucum), 



Vitality of the Larva? of the, 30 

 Objects, Exhibition of, at An- 

 nual Reception, 55 



Officers, Election of, 32 



Oxalate of Calcium, Crystals of, 98 

 Parasite, A, on the Gall of the 



Swamp-Rose, 61 



Pellew, Charles E., Bacteria 



in Drinking- Water, 117 



Philopterus Cgrvi, 53 



Plagiograynmavalidum, a new- 

 ly discovered Diatom, 79 



Pollen of Strelitzia Regince, ... 17 

 President, Report of the, on 



the State of the Society, 33 



Proceedings : — 

 Meeting of Dec. 4th, 1885, . . 16 



18th, 18 



Jany. 1st, 1886, . . 32 



15th, 33 



Feby. 5th, 46 



19th, 49 



Mar. 5th, 55 



19th, 58 



Apr. 2d, 78 



16th, 80 



May 7th, 98 



21st 99 



June 4th, Ill 



18th, 112 



Oct. 1st, 125 



15th, 127 



Nov. 5th, 146 



19th, 148 



Protococcus viridis, 1 



, Notes on, 9 



Publications Received, 21, 38, 50, 

 64, 82, 102, 114, 129, 151. 



Putrefaction, Bacteria of, Ill 



Quercus alba. The Structure of ,107 

 Reduvius novenarius, Nine- 

 Pronged Wheel-Bug, 100 



Report of the President on the 



State of the Society, 33 



Treasurer, 34 



Librarian, 34 



Resolutions relative to the 

 Death of Dr. Wm. B. Car- 

 penter, 19 



Rhodites bicolor (Gall), Harris, 61 

 Rhytism,a acerrimum, The 

 Maple Leaf -Scale, 143 



