46 THE MICROSCOPE. Mar., 



Chas. E. W. Harvey, — Tingis hyalina, a small insect, with thin 

 wing covers filled with gauze-like meshes. 

 James Wood, M. D. — Trichina spiralis in muscular fibers of pork. 

 Dr. N. B. Sizer. — Tongue of a cat, showing gustative papillae. 



D. A. Nash. — Transverse section of pine needle. Double stained. 

 Wm. Finney. — Rhinoceros horn. 



Chas. M. Skinner. — Adamite, from Laurium, Greece. 



Dr. A. J. Watts. — No. i gold crystals. No. 2 gold crystals. 



John Lamont. — Section of fibrolite, from New York city, shown by 

 polarized light. 



H. S Woodman. — Eye of beetle, showing the revolution of the 

 second hand of a clock through all the eye- facets which are in focus. 



Dr. S. E. Stiles. — Section of jaw and lip of kitten one day old, 

 showing tooth germ, glands, hair bulbs and hairs. 



G. E. Ashby. — Cheese mites. Stilton. Fresh water shrimp. Polarized. 



Rev. J. L. Zabriskie. — Soldier of one of our common ants, Pheidole 

 Pennsylvanica Rog., showing strong mandibles and enormous head. 

 Collected at Fisher's Island, N. Y., August, 1891. 



George M. Hopkins. — Incinerated leaf of deutzia, showing the star- 

 like silicious hairs unchanged. 



A. A. Hopkins. — Crystals obtained from black writing ink. 



Prof. Wallace Goold Levison.— Natrolite, Snake Hill, N. J. 



John W. Freckleton. — Section of chalcedony, by polarized light. 



Dr. H. M. Smith. — Stem of rosa canina, 



H. B. Baldwin. — Blood spectra. The upper spectrum is that of 

 Oxy-Haemoglobin in normal blood. The lower spectrum is of a Red- 

 uced Haematin in blood, chemically treated, and shows the two dark 

 lines a little further to the right. 



J. A. Grenzig. — Sections of wood, shown by old microscope made by 

 Jones & Son about the latter part of the Eighteenth century, with 

 accessories, etc. The slides are made of ivory and the sections moun- 

 ted between plates of mica. 



Geo, A, Fiske,— Skin of skate fish. 



John H. Royael,— Native copper, from Butte, Montana, 



John J. vSchoonhaven, A. M. — Foraminifera, from Cuxhaven, 



Franklin W. Hooper. — Section of stilbite, from Upper Montclair, 

 N, J. Polarized. 



E. B, Meyrowitz. — Stem of pumpkin. Flea. 

 A. D. Balen.— Pond life. 



J McCallum. -Blackberry. Tranverse section of stem of young plant. 



F. B. Briggs. — Tranverse and longitudinal section of banana stalk. 

 Polarized light. 



Wm. Urban, Jr. — Section of elder tree. Section of quartz, Pseudo- 

 7north, after Pectolite, from Paterson, N. J. 



Henry W. Schimpf. — The worm of the jumping bean, Carpocaprd 

 solitans. 



Brooklyn College of Pharmacy. — Clove (longitudinal section). Oil 



