112 



INDEX II. 



Education, natural history as a branch of, 77. 



, statistics of, in Bristol, 89. 



, state of, in the polytechnic school at 



Paris, 96. 



Eel, habits of the, 71. 



Electrical action mentioned by Schonbein, 

 nature and properties of the new element, 

 or product of, 57. 



Electrotype process, preservation of magne- 

 tic needles and bai's from oxidation by the, 

 41. 



Empyema, 82. 



Enamel, capsular investment of the, 17. 



Enys (J. S.) on the connexion vs'hich exists 

 between improvements in pit-work and the 

 duty of steam-engines in Cornwall, 103. 



Epithelium, structure of the, 15. 



Equation, algebraic, relation of Sturm's 

 auxiUary functions to the roots of an, 23. 



Eye, human, on two new fasciae connected 

 with the muscles of the, 80. 



Fire, possibility of, from the use of hot water 

 in wai'ming buildings, and of explosions in 

 steam-engine boilers, 49. 



Fire-arms, improved sight for, 104. 



Fish, freshwater, of Austria, 71. 



Fishes, marine, three new genera of, from 

 Van Diemen's Land, 71. 



Flues, descending, their application to the 

 purposes of ventilation, 105. 



Forbes (E.) on two remarkable marine in- 

 vertebrata inhabiting the Jilgean sea, 72. 



Fossil organic remains of Cornwall, and of 

 Bodmin and Menheniott, 61. 



Fossils, discoverv of, on Great Hangman 

 HiU, North Devon, 64. 



-r — , on copying, by a galvanic deposit, 67. 



Fowler (Dr.) on a case of deafness, dumb- 

 ness and blindness, with remarks on the 

 muscular sense, 81. 



Fowler (ilr.) on a new calculating machine, 

 39. 



Fownes (G.) on the direct formation of cy- 

 anogen from its elements, 52. 



Fripp (Mr.) on the statistics of education in 

 the city of Bristol, 89. 



' Geography, physical, 59. 



Geology, 59. 



Gilbert (Mrs. Davies) on a system of small 

 allotments and spade husbandry, 98. 



Gold, application of a coating of, to the 

 steel balance-springs of chronometers, 41. 



Granite quarries of Dartmoor, 105. 



, specimens from, near Prince ^Town, 



Dartmoor, 64. 



Grantham (J.) on a plan of disengaguig and 

 reconnecting the paddle-wheels of steam- 

 engines, 102. 



Gray (J. E.) on the geographical distribu- 

 tion of the animals of New Holland, 68. 



on a new glirine animal from Mexico, 



70. 



GreUet (Mr.) on an instrument for drawing 

 circles in perspective, 42. 



Gurney (G.) on the possibility of fire from 

 the use of hot water in warming buildings, 

 and of explosions iu steam-engine boilers, 

 49. 



Gutch's (W. G) notice of certain barometers 

 invented by Mr. Bursill, 42. 



Harding (Major) on the discovery of fossils 

 on Great Hangman Hill, N. Devon, 64. 



Harraby, near Carlisle, rain at, 30. 



Harris (W. S.) on Capt. Couch's chock chan- 

 nels, 102. 



Hearder (J. N.) on Arnott's stove, and the 

 construction of descending flues, and their 

 application to the purposes of ventilation, 

 105. 



Heat, refraction of, 25. 



Henslow (Prof.) on Cecidomya tritici, 72. 



Herschel (Sir J. F.W., Bart.) on photographs, 

 40. 



Hewett (Capt.) on the tide of the north sea, 

 32. 



He5rv\'ood (James) on the state of education 

 in the polytechnic school at Paris, 96. 



Hopkins (Thomas) on the influence of moun- 

 tains on temperature in the winter in cer- 

 tain parts of the northern hemisphere, 28. 



Hore (Rev. W. S) on the flora of Devon and 

 Cornwall, 75. 



Hull, condition of the working-classes in, 85. 



Human race, varieties of the, 75. 



Hunt (Mr. R.) on the influence of the ferro- 

 cyanate of potash on the iodide of silver 

 as a photographic preparation, 47. 



Husbandry, spade, on the system of small 

 allotments and, 98. 



Hydi'ogen, production of sulphuretted, 57. 



Indices, refractive, theoretical computation 

 of, 24. 



Indigo, quantity of real, in the indigo of 

 commerce, 49. 



Infusoria, deposits in springs, rivers and 

 lakes, from the existence of, 72. 



Integrals, definite, machine for calculating 

 the numerical values of, 35. 



Invertebrata, marine, two remarkable, inha- 

 biting the /Egean sea, 72. 



Ireland, loan funds in, 93. 



Johnson (W.) on the granite quanies of 

 Dartmoor, and their railways and ma- 

 chinery', 105. 



Jordan (T. B.) on copying fossils by a gal- 

 vanic deposit, 67. 



Kakodyle series, radical of the, 55. 

 Kingston-upon-Hull, condition of the work- 

 ing-classes in, 85. 



Laing (D.) on Smith's wire ropes, 106. 

 Lakes, deposits in, from the existence of in- 

 fusoria, 72. 

 LandsUp of Axmouth, 64. 

 Lankester (Dr. E.) on the production of sul- 

 r:;^'i4 itTtT>h!jretted hydrogen by the action of ve- 



