INDEX. 



601 



Nocca helianthifolia, 46S. 



helianthifolia, var. levior, 46S. 



helianthifolia, var. suaveolens, 

 468. 



heteropappus, 470. 



Liebmannii, 470. 



Mocinniana, 4G9. 



mollis, 471. 



Palmeri, 471. 



Pringlei, 469. 



rigida, 469. 



tomentosa, 470. 

 Nomenclature of Heat Capacity, 



325. 

 Nominating Committee, 535. 



Officers elected, 530, 538; List of, 



576. 

 Orthobenzoquinone, 195. 



Packard, A. S., A New Fossil Crab 

 from the Miocene Greensand 

 Bed of Gay Head, 1-9 ; On Sup- 

 posed Merostomatous and Other 

 Paleozoic Arthropod Trails, 61- 

 71. 



Parathesis chiapensis, 497. 



Pectis Lessingii, 506. 



Peirce, B. O., Report of Progress to 

 Rumford Committee, 525. 



Peirce B. O., and Wilson, R. W., 

 On the Thermal Dili'usivities of 

 Different Kinds of Marble, 

 11-16. 



Pernettya ovata, 496. 



Petroleum, 253. 



Physalis puberula, 502. 



Physical Laboratory of the Massa- 

 chusetts Institute of Tech- 

 nology, Contributions from, 

 319. 



Pickering, E. C, Report of Progress 

 to Rumford Committee, 52 i. 



Piqueria pyramidalis, 475. 



Plateanus glabrata, 493. 



Quartic Surfaces, 17. 



Records of Meetings, 517. 

 Reissner's Fibre, 443. 

 Rhizomyces gibbosus, 409. 

 Rhodes, J. F., Sherman's March to 



the Sea, 536. 

 Richards, T. W., Internationa] 



Atomic Weights, 169-176; Sug- 



gestion concerning the Nomen- 

 clature of Heat Capacity, 325- 

 329 ; Report of Progress to 

 Rumford Committee 526; A 

 Table of Atomic Weights, 545- 

 516. 



Richards, T. W., and Archibald, 

 K. II., A Study of Growing 

 Crystals by Instantaneous Mi- 

 crophotography, 339-353. 



Richards, T. W., and Fraprie, F. 

 R., The Solubility of Manga- 

 nous Sulphate, 507-514. 



Richards, T. W., McCaffrey, C. F., 

 and Bisbee, II., The Occlusion 

 of Magnesic Oxalate by Calcic 

 Oxalate, and the Solubility of 

 Calcic Oxalate, 375-393. 



Robinson, B. L., Synopsis of the 

 genus Melampodium, 455-466; 

 Synopis of the genus Nocca, 

 467-471 ; New Species and 

 newly noted Synonymy among 

 the Spermatophytes of Mexico 

 and Central America, 471-488 ; 

 Recent Advances in the General 

 Classification of the Flowering 

 Plants. 541. 



Ross, U. W., Design as a Science, 

 355-374. 



Rowland Concave Grating, 239. 



Ruellia cupheoides, 502. 



Rumford Committee, Report of, 519; 

 Reports of Progress to, 521. 



Rumford Fund, Papers published by 

 Aid of, 11, 119, 239, 339. 



Rumford Premium, 595 ; Award of, 

 520, 529. 



Russelia Deamii, 471. 

 trachypleura, 474. 



Sabine, W. C, Report of Progress 

 to Rumford Committee, 526; 

 The Influence of Architecture 

 on Melody and the Develop- 

 ment of the .Musical Scale, 

 537. 



Salvia ageratifolia, 499. 

 albicans, 501. 

 Dugesii, 500. 

 igualensis, 500. 

 leucantha, for. iobaphes, 501. 

 -'•tidosa, 499. 

 Sessei, 501. 

 tiliaefolia, var. rhyacophila, 199. 



