CONTENTS. XXXI 



PAGE 



Preparing and Mounting Sections of Teeth and Bone.. .. Part 2 304 



Expanding the Blow-fly's Tongue „ 304 



Perchloride of Iron as a Reagent for Preserving Delicate 



Marine Animals , „ 305 



Action of Tannin on Infusoria „ 305 



Preparing Fresh-water Rhizopoda „ 306 



Arranging Diatoms „ 307 



Mounting Diatoms in Series „ 308 



Synoptical Preparation of Pulverulent Objects (^Diatoms 



from Guano, Fossil Earths, ^c.) (,Fig. 42) „ 308 



Logwood Staining „ 310 



Staining with Hoematoxylin „ 311 



Dry Injection Masses .. .. „ 312 



Schering' s Celloidin for Imbedding ,, 313 



Gage's Imhedding-Mass Cup {Fig. 43) , 314 



Gage and Smith's Section Flattener {Fig. 44) „ 314 



Francotte's Section Flattener {Fig. 45) „ 315 



Employment of the Freezing Method in Histology .. .. „ 316 



Improved Method of Using the Freezing Microtome .. .. „ 316 



Mayer's Method of Fixing Sections „ 317 



Gum and Syrup Preserving Fluid ,, 318 



Cutting Tissues Soaked in Gum and Syrup Medium . . .. „ 318 



Gum Styrax as a Medium for Mounting Diatoms .. .. „ 318 



Mounting Medium of High Refractive Index „ 319 



Kingsley's Cabinet for Slides {Fig. 46) „ 320 



Pillsbury's Slide Cabinet {Fig. 47) „ 320 



Examining the Heads of Insects, Spiders, (^c, alive , 321 



Examining Meat for TrichincB „ 321 



Bolton's Living Organisms „ 322 



Cole's Studies in Microscopical Science „ 322 



Preparing Absolute Alcohol ., .. „ 323 



Browne's Case for Objects „ 323 



Fastening Insects and other small forms for Dissection .. „ 323 



Slide of Raphides from Daffodil ^^ 324 



Crimson Lake for Opaque Mounts „ 324 



Cosmoline for Mounting Starches ,, 324 



Hydrate of Chloral for Mounting Algae „ 324 



Method for Double Injections „ 325 



New Modification of a Turntable ,, 326 



Booker's Freezing Microtome „ 333 



Microscopical Society of Ladies at San Francisco .. .. „ 334 



Dissection of Aphides Part 3 466 



Transmission, Preservation, and Mounting of Aphides . . „ 467 



Breckenf eld's Method of Mounting Hydrce „ 470 



Cell-sap Crystals 47O 



Staining for Microscopic Purposes ,, 47O 



Mode of Announcing New Methods of Reaction and Staining „ 471 



Pure Carminic Acid for Staining „ 47I 



Hoyer's Picro- Carmine, Carmine Solution, and Carmine 



Powder and Paste , 474 



Dry Injection-Masses „ 474 



