2 INDEX. 



Alluvial soil, in the state of Maryland, VI, 319. — extent of, in the U. S. 413. 



American antiquities. See Antiquities. 



American Philosophical Society, rules o f V, iii. — officers, V, xii. VI, v, xxi. 

 — Members, V, xiii. VI, vi, xx i. — circular letter to, relative to the state 

 of their own country, V, ix donations received, V, xiv. VI, ix, xxv. 



Amphibolic rock, found transported in the alluvial soil of Maryland, VI, 320. 

 —in the primitive soil oi the same state, 321. 



Amygdaloid rock, found in the bed o' the Potomac river, VI, 322. 



Analysis, of the fluids ejected before the commencement of the black vo- 

 miting in yellow fever, V, 120 o! the black vomit itself, 121. 



Andromeda mariana, deleterious effects of, V, 61. 



Angles, improved method of projecting and measuring plane, VI, 29. 



Angles of the sails of a wind-mill. See Wind-mill. 



Antes, Colonel, on the hybernation O' swallows, VI, 59. 



Apocinum androsocmifolium, irritability of the flowers of, VI, 81. 



Apparatus, astronomical. See Instruments. 



chemical, account of a new arrangement of, VI, 99. 



Appendix to Vol. V, 325. 



Aqua regia, experiments relating to, V, 11. 



Asclepias Syriaca, irritability of the flowers of, VI, 79. 



Astrono??iical observations. See Dunbar, Dervitt, Ellicott, Ferrer £s? Patterson. 



Atmosphere, evening phenomenon in, VI, 41. — excessive cold of, in the dis- 

 trict of Maine, VI, 401. 



Azalea nudiftora, deleterious qualities of, V, 64. 



B 



Barton, Dr. Benj. Smith, on the poisonous honey of N. America, V, 51. — 

 his memorandum concerning a new vegetable muscipula, VI, 79. — his 

 account of a new species oi N. A. lizard, 108. — his supplement to the 



account of the Dipus Americanus, 143 his letter to Dr. Beddoes on 



the etymology of certain English words, 145. — appointed by the A. P. S. 

 to deliver a eulogium on Joseph Priestley, 190. 



Baton-Rouge, description of a singular phenomenon seen at, VI, 25. 



Baudry, des Lozieres, his memoir on animal cotton, or the insect fly-car- 

 rier, V, 150. 



Bear, tuhite, of the Mississippi, account of, VI, 71. 



Beaver, very common in Louisiana, VI, 70. 



of N. America, facts and observations relative thereto, by Mr. John 



Heckewelder, VI, 209. 



Bees, whether injured by quaffing the nectar of poisonous flowers, V, 57 



abounding in some parts of N. America, 58. — car& necessary in the 

 management of, 69. 



Bengal. See Building. 



Bismuth, action o! the vapour of spirit of nitre on, V, 2. 



Blood, different theories on the cause of the vermilion colour of, VI, 248. 

 • — theory o! Dr. Conover, 251. 



Bones, fossil, found near the Mississippi, VI, 40.— communication concern- 

 ing them, 55. 



