XIV 
Cttrrent Literature (Jan. to June). 
Journal, American Chemical. Vol. II. 
No. i. Brown : Analysis of ‘Tobacco Screenings’ rejected in the manufacture 
of Tobacco. 
„ 4. Crampton : Boracic acid as a Plant Constituent. 
>j — Greene and Hooker : On the occurrence of Lapachic acid in Betha- 
barra wood. 
Journal, American Monthly Microscopical. Vol. X. 
No. 2. Carter : Desmids : Their Life History and their Classification (con- 
tinued in No. 4). 
„ — Method of preparing Nutritive Gelatine. 
„ 4. Terry : Motions of certain Diatoms and Oscillatoria. 
Journal of Science, American. Vol. XXXVII. 
No. 219. Knowlton : Description of a problematic organism from the Devonian 
at the Falls of the Ohio. 
,, 221. Weed: Formation of Siliceous Sinter by the Vegetation of Thermal 
Springs. 
Journal of the Cincinnati Society of Natural History. Vol. XI. 
No. 4. James : Distribution of Vernonia in the United States. 
Morgan : North American Fungi. 
Journal of the Elisha Mitchell Scientific Society. Vol. V. Pt. 2. 
Battle : The change in superphosphates when they are applied to the 
soil. 
Venable : A Partial Chemical Examination of some species of the 
Genus Ilex. 
Journal of the New York Microscopical Society. Vol. V. 
No. 1. Hansted: Hay fever. 
,, — Julien : A new Othraceous Thallophyte. 
,, 2. Lockwood : The Comparative Hygiene of the Atmosphere. 
Journal of the Trenton Natural History Society. No. 3. 
Stowell : Notes on the Flora of Bergen County. 
Memoirs of the Boston Society of Natural History. Vol. IV ( continued ). 
No. 4. Trelease : North American Geraniaceae. 
„ 6. Thaxter : The Entomophthoreae of the United States. 
Naturalist, The American. Vol. XXIII. 1889. 
No 265. Williams : The status of the Algo-Lichen Hypothesis. 
„ 266. Bessey : Two big- rooted Plants of the Plains ( Cucurbila perennis , 
Gray, and Ipomoea leptophylla , Torr.). 
,, Herbarium Notes. — An Alphabetical Arrangement. 
Proceedings of the Academy of Natural Sciences of Philadelphia. 1889. 
Meehan : Contribution to the Life Histories of Plants ( continued ). 
Proceedings of the American Association for the Advancement of Science. 
Salem. Vol. XXXVI. 
Farlow : Vegetable parasites and evolution. 
Transactions of the Connecticut Academy of Arts and Sciences. VII. 
Part 2. 
Chittenden and Cummins: The amylolytic action of diastase of 
Malt. 
and Kuhn : Globulin and globulose bodies. 
