m 



SECTIONS. — INDEX OF AUTHORS. 



Hamilton (Dr. M.) on earthquakes in South 

 America, 1850, 82. 



on tlie Lobos Islands, 1852, 75. 



on the lake Aulaga, and its drainage in 



the desert of Caranjas, in Bolivia, 1854, 

 120. 



♦Hamilton (W. J.) on Prof. Savi's work on 

 the phenomena obserred during the earth- 

 quakes in Tuscany, 1847, 63. 



Hamilton (Sir W. R.) on a view of mathe- 

 matical optics, 1831-32, 545. 



, notice of J. MacCullagh's memoir on 



the attractions of spheroids. Prof. All- 

 man's memoir on numeral evolution, and 

 of liis own theorem respecting differences 

 and differentials of functions of zero, 

 1831-32, 545. 



on a characteristic function in optics, 



1833, 360. 



■ on the application to dynamics of a 

 general mathematical method previously 

 appHed to optics, 1834, 513. 



— — on conjugate functions, or algebraic 

 couples, as tending to illustrate the doc- 

 trine of imaginary quantities, 1834, 519. 



on a new theory of logologues ; also, 



new theory of varying orbits, 1835, 7. 



on the calculus of principal relations, 



1836, 4, 41. 



— — , exposition of the argument of Abel 

 respecting equations of the fifth degree, 



1837, I. 



* , new applications of the calculus of 



principal relations, 1837, i. 



* -, exposition of Mr. Turner's theorem 



of odd numbers, and the cubes and other 

 powers of natural numbers, 1837, i. 



on the propagation of light in vacuo, 



1838, 2. 



■ on the propagation of light in crystals, 



1838, 6. 



* on a mode of expressing fluctuating 



or arbitrary functions by mathematical 

 formuloD, 1842, 10. 



— — on a theorem in J;he calculus of differ- 

 ences, 1843, 2. 



* on some investigations connected 



with the calculus of probabilities, 1843, 



3- 



. on some investigations connected with 



equations of the fifth degree, 1843, 4. 

 — — on a theory of quaternions, 1844, 2. 

 * , exposition of a system of quaternions, 



1845, 3. 

 * on an isoperimetrical problem treated 



by the calculus of quaternions, 1847, 4. 

 * on some applications of the calculus 



of quaternions to the theory of the moon, 



1847,4- 



* on some new applications of quater- 

 nions to geometry, 1849, i. 



* on polyzones inscribed on a surface 



of the second order, 1850, 2. 



— — on bi quaternions, 1852, 2. 



on an extension of quaternions, 1864, 



X. 



♦Hamilton (Sir W. R.) on the conception 

 of the anharmonic quaternion, and on its 

 application to the theory of involution in 

 space, 1855, 7. 



♦ on some applications of quaternions 



to cones of the third degree, 1857, 3. 



on the Icosian calculus, 1857, 3. 



on an application of quaternions to 



the geometry of Fresnel's wave-surface, 

 1859, 248. 



Hancock (A.) on some new species of Mol- 

 lusca nudibranchiata, with observations 

 on the structure and development of the 

 animals of that order, 1843, 73. 



on Pterochilus, a new genus of nudi- 



branchiate mollusca, and two new species 

 of Doris, 1844, 66. 



on a new genus (Dendronotus) of mol- 

 lusca nudibranchiata, 1845, 65. 



on some new and rare British species 



of naked Mollusca, 1846, 83. 



on British Mollusca, with descriptions 



of new species, 1847, 73. 



on the anatomy of Scyllsea, 1847, 77. 



* on the boring of Mollusca into rocks, 



1848, 125. 



on the anatomy of Doris, 1850, 124. 



on two new species of nudibranchiate 



mollusca (Thecacera virescens and Oi- 

 thona nobilis), and a new genus (Oitho- 

 na), 1851, 74. 



on the branchial currents of Pholas 



and Mya, 1851, 74. 



on the anatomy of the Brachiopoda, 



1856, 94. 



on certain vermiform fossils found in 



the mountain-limestone districts of the 

 north of England, 1858, 80. 



Hancock (Dr. J.) on the manati of Guiana, 

 1836, 98. 



— - on a new and scandent species of the 

 Norantia, or Ascium of Gruiana, 1836, 

 104. 



on the disease called Cocoba; by the 



Africans, or Arabian leprosy, the Ara- 

 patta of the Caribes of Guiana, and 

 the Radesvge of Northern Europe, 1837, 

 128. 



Hancock (John) on the Greenland and Ice- 

 land falcons, 1838, 106. 



Hancock (Prof. W. N.) on the variations 

 in the supply of silver coin in Ireland 

 during the operations for the rehef of dis- 

 tress in 1846-47, 1847, 97. 



on a form of table for collecting re- 

 turns of prices in Ireland, 1849, 92. 



on the use to be made of the Ordnance 



Survey in the registration of judgments 

 and deeds in Ireland, 1849, 93. 



, the usury laws — statistics of pawn- 

 broking, 1849, 93. 



on the discovery of gold in California, 



1849, 94. 



, statistics respecting the sale of en- 

 cumbered estates in Ireland, 1850, 148. 

 on the causes of distress at Skull and 



