INDEX. 



SOI 



Leach, H. G., The Relations of the 

 Norwegian with the. English 

 Church, 1068-1399, and their 

 Importance to Comparative 

 Literature, 529, 734. 



Leadhillite, 433, 730. 



Lewis, G. N., elected Resident 

 Fellow, 733. 



Lewis, G. N., and Tolman, R. O, 

 The principles of Relativity and 

 Non-Newtonian Mechanics, 711. 



Librarian, Report of, 737. 



Library, Appropriations for, 741. 



Lindelof, L. L., Death of, 731. 



Linear Differential Expressions, The 

 Invariants of, 1. 



Lines, Artificial, for Continuous Cur- 

 rents in the Steady State, 95. 



Literature, Comparative, The Re- 

 lations of the Norwegian with 

 the English Church, 1066-1399, 

 and their Importance to, 529, 

 734. 



Litsea, A Synopsis of the American 

 Species of, 597, 734. 



Lotsy, J. P., 734. 



Lowell, Percival, Location of a Sup- 

 posed Planet beyond Neptune, 

 732; Recent Discovery made 

 through Photographs of the 

 Watery Vapor surrounding Mars, 

 730. 



Lyman, Theodore, A Vacation Trip 

 to East Africa, 744. 



Magnetic Behavior of Hardened Cast 

 Iron, and of Certain Tool Steels 

 at High Excitations, On the, 351, 

 729. 



Magnetic Yoke, The Use of the, in 

 Measurements of the Permeabil- 

 ities of Iron and Steel Rods in 

 Intense Fields, 729. 



Magnets, Mayer's Floating, A Photo- 

 graphic Study of, 523, 733. 



Manes, Julien, Death of, 735. 



Mark, E. L., Report of the Publica- 

 tion Committee, 739. See Zoo- 

 logical Laboratory of the Museum 

 of Comparative Zoology at Har- 

 vard College, Contributions from. 



VOL. XL1V. — 51 



Mars, Recent Discovery made 

 through Photographs of the 

 Watery Vapor surrounding, 730. 



Massachusetts Institute of Technol- 

 ogy. See Research Laboratory 

 of Physical Chemistry, Rogers 

 Laboratory of Physics. 



Mathematical Puzzles, 728. 



Mayer's Floating Magnets, A Photo- 

 graphic Study of, 523, 733. 



Mechanics, Non-Newtonian, The 

 Principle of Relativity and, 711. 



Mexican Alders, Notes on, 609, 734. 



Mexican Phanerogams, Descriptions 

 of, 630, 734. 



Mexican Phanerogams, Some Unde- 

 scribed Species of, 603, 734. 



Mexican Species of Castilleja, Synop- 

 sis of, 563, 734. 



Mexico, The Purple-flowered An- 

 drocerae of, 627, 734. 



Mineralogical Museum, Contributions 

 from, 433, 639. 



Minerals from Chester, Mass., Crys- 

 tallographic Notes on, 639, 734. 



Missouri, University of, Letter from, 

 728. 



Molybdenite, 315, 730. 



Montana, Geological Tour in the 

 Mountains of, 730. 



Moore, G. F., The Jewish Colony at 

 Elephantine : Recently discov- 

 ered Papyri, 729. 



Morgan, M. H., The Preface of 

 Vitruvius, 147, 729 ; Roman Cal- 

 orifers, 733. 



Morgulis, S., The Effect of Alkaloids 

 on the Early Development of 

 Toxopneustes variegatus, 131. 



Morgulis, S., Regeneration in the 

 Brittle-Star Ophiocoma pumila, 

 with Reference to the Influence 

 of the Nervous System, 653, 735. 



Morize, H., appointed director of 

 Rio de Janeiro Observatory, 727. 



Morse, H. W., and Shuddemagen, 

 C. L. B., The Properties of an 

 Aluminium Anode, 365, 730. 



Mueller, E. See Baxter, G. P., 

 Mueller, E., and Hines, M. A. 



Museo de la Plata, Letter from, 728. 



I 



