Periodical Literature. 
Ivii 
American Monthly Microscopical Journal. Vol. VIII ( continued ). 
No. 5. Hitchcock : Notes from Japan. II (continued in Nos. 5, 9, 10, 
and 11.) 
,, 6. Hitchcock: Resolution of pearls of Amphipleura. 
,, 7. Smith : Quantitative variations in the germ-life of Potomac water 
during the year 1886. 
„ — Borden : An electrical constant-temperature apparatus. 
„ 8. Hitchcock : The biological examination of water (continued in Nos. 
9, 11). 
„ — Piersol : Laboratory Jottings. 
„ 10. Lighton : Notes on staining vegetable tissues. 
„ 12. Smith : Spirillum , F. et Pr. in hepatised lung-tissue. 
Memoirs of the Boston Society of Natural History. Vol. IV. No. 2. 
Campbell : The development of the Ostrich Fern, Onoclea Struthio- 
pteris. 
Memoirs of the Museum of Comparative Zoology at Harvard College. 
Vol. XVI. 
No. 1. Shaler: Notes on the Taxodium distichum or Bald Cypress. 
Popular Science Monthly. 1887. 
Farlow : The task of American botanists. 
Newberry : Food and Fibre-plants of the North American Indians. 
American Naturalist. Vol. XXI ( continued ). 
No. 7. James : The milkweeds. 
„ — Bessey : The growth of 1 Tulostoma mammosum. 
„ : Ash-rust again. 
„ — Crozier : Vitality of buried seeds. 
„ — Bessey : The study of Lichens. 
,, 8. Sturtevant : History of garden vegetables (continued in Nos. 9, 
10, 11). 
,, — Abbot : Comparative chemistry of higher and lower plants (continued 
in No. 9). 
„ 10. Bessey : The eastward extension of Pinus ponderosa , Douglas, var. 
scopulorum . 
,, — : The westward extension of the Black Walnut. 
„ — : The Iron- Wood-Tree in the Black Hills. 
,, — : Still another Tumble-Weed. 
„ 11. Morgan : The genus Geaster. 
,, 12. Seymour : Character of the injuries produced by parasitic fungi upon 
their host-plants. 
Papers read before the New Orleans Academy of Sciences. Vol. I. 
Mohr : Forests of the United States. 
Ordway Fertilisation of Colochortus. 
Kruttschnitt : Development and fertilisation of plants. 
Joor : Forests and climate. 
Kruttschnitt : Sarraceniaceae. 
