206 THE AMERICAN MONTHLY [September, 



By E. H. Bacon, Rochester. — Black walnut : and fresh-water 

 sponge. 



By Bausch & Lomb and the Gundlach Optical Company an 

 exhibit of a large number of microscopes with various objectives. 



By Miss Florence Beckwith — Specimens from the vegetable 

 kingdom. 



By Professor W. G. Crosby, Canandaigua — Anchors and 

 plates of Synapta agasezii, picules of gorgonia, teeth of ear shell, 

 " Qiieen '' golden rod, disks of water beetle, necklace algoe. 



By Dr. Lyman Deck, Salamanca — Nose of field mouse. 



By A. M. Dumond, Rochester — Skimmings from Irondequoit 

 Bay. 



By H. H, Doubleday, Washington — Etalcedony and young 

 oyster. 



By Dr. Charles Forbes, Rochester — Apparatus for photomi- 

 crography, designed by the exhibitor. 



By Dr. S. O. Gleason, Elmira — Brazilian beetle and native 

 copper. 



By Dr. George W. Goler, Rochester- -Normal histological 

 specimens. 



By J. B. Holman, Rochester — Body louse. 



By .H. W. Hoyt, Rochester — Human kidney, hypertrophied 

 tonsil, sarcoma. 



By Dr. Lucien Howe, Butialo — Blood vessel of eye ; eye of 

 insect. 



By W. L. E. Haag, Toledo — Foot of spider; sting and 

 poison sac of wasp. 



By Professor J. W. Hyatt, New York — Agate and glass sponge, 

 crustaceous parasites from miller's-thumb, and mite from gland 

 of pigeon. 



By Joseph L. Levi — Eggs from parasite of horse, ovary of 

 fish, sections of very young chicken, common earth worm. 



By William H. Lothridge, Rochester — Flea ; pollen of lily. 



By Miss M. E. McCauley, Rochester — Star-shaped cells of 

 Nuphar advena. 



By Dr. C. G. Mitchell, Canandaigua — Teeth of snail ; golden- 

 eyed house-fly. 



By Robert Moody, New Haven — Twins in single-yolk egg ; 

 sections of bone. 



By Dr. C. C. Mellor, Pittsburg — Foraminifera ; diatoms. 



By Mrs. J. H.McGuire, Rochester — Section of yellow pondlily. 



By E. Ocumpaugh, Rochester — Claws of spider; foot of 

 horse-fly. 



By R. A. Punnett, Rochester — Fly's foot ; proboscis of but- 

 terfly. 



By Dr. Anna H. Searing, Rochester — Cluster cups of fungus 

 of farberry ; stillate hairs from leaf 



By Dr. H. W. Streeter, Rochester — Cyclosis in vollimeria ; 

 circulation in eel grass. 



