172 THE AMERICAN MONTHLY [May 



Dr. B. D. Halsted; Starch in Cells of Bean Seed, Spores 

 of a Parasitic Fung-us, An Akebia Stem, Carnation Rust in 

 a Leaf. 



Mr. F. B. Kilmer; Section of Spong-e, Bacillus pyocya- 

 nus. 



Dr. P. T. Pockman; Stomata in Fern Leaf. 



Mr. F. H. Blodg-ett; Prolococcus, Zoospores of Drapar- 

 naldia, Mandible of Lady-bug-. 



Mr. F. H. Blodg-ett; Wild Flowers. 



Dr. W. W. Knox; Foramenifera. 



Dr. A. C. Hutton; Pappus of Marg-uerite. 



Prof. C. L. Speyers; Spicules of Gorg-onia. 



Prof. W. S. Myers; Humming- Bird Feathers. 



Dr. A. H. Chester; Arrang-ed Diatoms. 



Mr. J. M. Devoe; Tong-ue of Beetle, Foot of Spider. 



Dr. M. H. Hutton; Fossil Diatoms. 



Mr. F. C. Van Dyck Jr.; Pollen of Japan Lily. 



Dr. F. C. Van Dyck; Micro-photog-raph of Plants. 



Dr. D. C. Eng-lish; Section of Human Appendix, Kidney 

 of Mouse. 



Dr. H. R. Baldwin; Hair Bulb, Flea, Cheese Mite, 

 Feather of Goose. 



Dr. F. M. Donahue; Section of Scalp. 



Mr. J. A. Manley; Iron Pyrites. 



Dr. Caroline H. Marsh; Section of Spinal Cord. 



Mr. L. H. Noe; Platinocyanide of Yttrium. 



Dr. Julius Nelson; Frog-'s Kidney, Human Kidney, Hu- 

 man Hair. 



Dr. Julius Nelson; Various Hairs, Various Fibres. 



Mr. W. W. Wilson; Root-cap. 



Mr. L. T. Ives; Butterfly Scales. 



Dr. A. L. Smith; Normal Artery. 



Dr. N. Williamson; Patholog-ical Artery, X-ray Photo- 

 g-raph of Ibis. 



Mr. W. S. Valiant; Casts of Triarthus beckii. 



Mr. Thomas Craig- has found an apparently new rotifer. 

 The peculiarity of it is in the fact that it is enclosed in a 

 case made of g-rains of sand and small diatoms. 



