Report of the Librarian. 
xli 
- Report of the Work of the Agricultural Experiment Sta¬ 
tion for Year 1890. 
- Reports of the Professors in Charge to the President, 
188*4, 89, 90. 
-Notes on California Olives: Their Adaptation and Oils. 
--Investigations of California Oranges and Lemons. 
--Distribution of Seeds and Plants. 
-Progress of the California Agricultural Experiment Sta¬ 
tion Work: The Use of Fertilizers in California; Fiber 
Plants of California. 
Hobbs, Wm. H. Notes on a Trip to the Lipari Islands in 1889. 
--Secondary Banding in G-neiss. 
-On a Rose-Colored Lime- and Alumina- Bearing Variety of 
Talc. 
-- Phases in the Metamorphism of the Schists of Southern 
Berkshire. 
Hovey, Edmund Otis, Ph. D. Observations on Some of the Trap 
Ridges of the East Haven-Branford Region in Connecticut. 
Hubbard, Lucius L. Beitrage zur Kenntniss der Nosean-fuhren- 
den Auswurflinge des Laacher See. 
- Some Indian Place-Names in Northern Maine. 
Huizinga, A. H. Analogy in the Semitic Languages. 
Hyatt, A. Jura and Trias at Taylorville, California. 
-Biological Relations of the Jurassic Ammonites. 
-Remarks on the Porphyries of Marblehead. 
-Sponges Considered as a distinct Sub-Kingdom of Ani¬ 
mals. 
-Genetic Relations of the Angulatidse. 
-Revision of the North American Poriferse, parts 1 and 2, 
with remarks upon Foreign Species. 
-Several numbers of Science with Short Papers. 
-Genetic Relations of Stephanoceras. 
• - On Reversions among the Ammonites. 
* -The Jurassic and Cretaceous Ammonites Collected in South 
America by Prof. James Orton, with an Appendix upon the 
Cretaceous Ammonites of Prof. Hyatt’s Collection. 
-Observations on Polyzoa. 
■- Abstract of Larval Theory of Origin of Tissue. 
