126 



Schomburgk (Chevalier), description of Alex- 

 andria imperatricis, a new genus of Papi- 

 lionacefe, 71. 



on the forest trees of British Guiana, 72. 



on two new species of the family Lau- 



rinese, from the forests of Guiana, 72. 



on the natives of Guiana, 83. 



Schoolcraft (H. R.) on the languages of Ame- 

 rica, 83. 



Scbunck (Edward) on some products of the 

 decomposition of erythrin, 31. 



Scoresby (Rev. Dr.) on a new process of mag- 

 netic manipulation, and its action on cast 

 iron and steel bars, 12. 



on steam navigation in America, 97. 



ou a new process of magnetic manipu- 

 lation, with its effects on hard steel and 

 cast iron, 100. 



Scotland, on.the tides of the east coast of, 6. 



, on the state of the poor in, 95. 



Sclerotic plates in fishes, on the, 63. 



Sea, on the Fish River of the North Polar, 58. 



, ou some animals new to the British, 64. 



Selwyn (Rev. W.), Sir David Brewster on 

 the cause of an optical phenomenon ob- 

 served by, 8. 



Series, on diverging infinite, 1. 



, summation of infinite, 2. 



Shale, on the relative age and true position 

 of the, 51. 



Shells, marine, in the gravels of Ireland, 57. 



Shyens of India, on the, 84. 



Sight, on the oeconomy of artificial light for 

 preserving, 100. 



Silk-wonn, ou the cultivation of the, 73. 



Silurian rocks in the vicinity of Builth, on a 

 section through the, 46. 



districts of Ireland, on certain, 46. 



Silver ores in Mexico and Peru, on the theory 

 and practice of amalgamation of, 28. 



Skull, human, from South Australia, 63. 



, conversion of the, by the Aboriginals of 



South Australia, into vessels for holding 

 and carrying water, 77. 



Sloper (B. G.) on the filtration of water for 

 the supply of towns, 102. 



Smith (Dr.) on the action of nitric acid on 

 naphtha, 33. 



Smith (Mr.) on propelling boats, 98. 



Smoke, air-duct to be used in glass furnaces 

 for the prevention of, 35. 



Snake-nut tree, on the, 71. 



Spar, on the cause of the white rings seen 

 round a luminous body when looked at 

 through specimens of calcareous, 9. 



Statistics, 86. 



of Frankfort on the Maine, 88. 



of hospitals for the insane in Bengal, 89. 



of Old and New Malton, 89. 



on the addition to vital, 90. 



of the machine-wrought hosiery trade, 



91. 



of the criminal population of Norfolk 



Island, 93. 



on rural, 93. 



Steam-engine, on the new double, 98. 



Steam-engines, ou the oeconomy of the ex- 

 pansive action of steam in, 98. 



Steam navigation in America, 97. 



Steam, on heating ijy, 35. 



Steel bars, action of a new process of mag- 

 netic manipulation on, 12,100. 



Storvandofjeld, lowest degree of cold on the 

 top of the mountain, 27. 



Strickland (H. E.) on an anomalous structure 

 in the paddle of a species of Ichthyosaurus, 

 51. 



Sti-ychnos toxifera, 72. 



Submarine life, on the bathymetrical distri- 

 bution of, on the northern shores of Scan- 

 dinavia, 50. 



Substances, on the conservation of, 69. 



Sykes (Lieut. -Col.) on the statistics of Frank- 

 fort on the Maine, 88. 



on the mortality of Calcutta, 88. 



on the statistics of hospitals for the in- 

 sane in Bengal, 89. 



Sylvester (J. J.) on the double square re- 

 presentation of prime and composite num- 

 bers, 2. 



Taenia, on the removal of, 85. 

 Talbot (H. F.) on photography, 105. 

 Tape-worm, on the, as prevalent in Abyssi- 

 nia, 85. 

 Taylor (Rev. W.) on the instruction of the 



Wind, 86. 

 on au apparatus invented by Mr. Lit- 



tledale, by which the blind can read and 



write, 99. 

 Tehuantepec, on the communication between 



the Atlantic and Pacific oceans, through 



the isthmus of, 58. 

 Temperature, curves of annual, at York, 21. 

 Tertiarv formations of tlie Isle of Wight, on 



the, 43. 

 Thompson (W.), comparison of the rain 



which fell at Florence Court, with that at 



Belfast, from July 6th, 1843, to July 6th, 



1844, 14. 



, additions to the fauna of Ireland, 66. 



Thomson (Dr.) on the influence of the ende- 

 mic application of the salts of morphia in 



painful permanent swelhng of the joints, 



causing contractions, 86. 

 Thunder storm on Yorkshire Wolds, singular 



appearance of a, 23. 

 Thiu'nam (Dr.) on the scientific cranioscopy 



of Prof. Carus, 86. 

 on the relative UabUity of the two sexes 



to insanity, 92. 

 Tide observations, results of the, on the coast 



of Ireland, 4. 

 Tides of the east coast of Scotland, on the, 6. 

 TUley (Thomas) on a peculiar condition of 



zinc, produced by a long-continued high 



temperature, 35. 

 Toadstones of Derbyshire, on the, 51; 

 Topaz, on crystals in the cavities of, 9. 

 Tongue, on a disease of the, 84. 

 Towns, on circumstances affecting the health 



of, 90. 



I 



