INDEX. 



Acad6mie des Sciences et Lettres, 

 Montpellicr, Prize to be given 

 by, 729 



Academy of Natural Sciences, Phila- 

 delphia, Letter from, 734. 



Africa, East, A Vacation Trip to, 744. 



Air, The Damping of the Oscillations 

 of Swinging Bodies by the Re- 

 sistance of the, 61. 



Air, On the Joule-Thomson Effect in, 

 730. 



Alders, Mexican and Central Ameri- 

 can, Notes on, 609, 734. 



Algal Hypothesis of the Origin of 

 Coal, The, 735. 



Alkaloids, The Effect of, on the Early 

 Development of Toxopneustes 

 variegatus, 131. 



Aluminium Anode, The Properties 

 of an, 365, 730. 



American Antiquarian Society, Re- 

 tirement of Librarian, 732. 



American Association for the Ad- 

 vancement of Science, Letter 

 from, 727. 



American Oriental Society, Officers 

 of, 735. 



American Species of Litsea, A 

 Synopsis of, 597, 734. 



American, Tropical, Phanerogams, 

 Diagnoses and Transfers of, 613, 

 734. 



Anatase, 315, 730. 



Androcerae, The Purple-flowered, 

 of Mexico and the Southern 

 United States, 627, 734. 



Anode, Aluminium, The Properties 

 of an, 365, 730. 



Arsenate, Silver, The Analysis of, 

 177, 730. 



Arsenic, A Revision of the Atomic 

 Weight of, 177, 730. 



Artificial Lines for Continuous Cur- 

 rents in the Steady State, 95. 



Ascoli, Graziadio, Fund, 731. 



Assessment, Annual, Amount of, 741. 



Atomic Weight of Arsenic, A Re- 

 vision of, 177, 730. 



Atomic Weight of Chromium, A 

 Revision of the, 390, 419, 732. 



Avogadro, Amedeo, Monument to, 

 735. 



Ballistic Galvanometers of Long 

 Period, The Theory of, 281, 729. 



Bartlett, H. H., Descriptions of 

 Mexican Phanerogams, 628, 734. 

 Notes on Mexican and Central 

 American Alders, 609, 734. 

 The Purple-flowered Androcerae 

 of Mexico and the Southern 

 United States, 627, 734. 

 A Synopsis of the American Spe- 

 cies of Litsea, 597, 734. 



Barton, E. M., 732. 



Baxter, G. P., and Coffin, F. B., A 

 Revision of the Atomic Weight 

 of Arsenic. Preliminary Paper. 

 — The Analysis of Silver Arsen- 

 ate, 177, 730. 



Baxter, G. P., and Jesse, R. H., Jr., 

 A Revision of the Atomic Weight 

 of Chromium. II. — The Anal- 

 ysis of Silver Dichromate, 419, 

 732. 



Baxter, G. P., Mueller, E., and Ilines, 

 M. A., A Revision of the Atomic 

 Weight of Chromium. I. — The 

 Analysis of Silver Chromate, 399, 

 732. 



