218 



REPORT — 1860. 



Congruences, the period-equations con- 

 sidered as, 127. 



, binomial, solution of, 155. 



, x n = 1, mod^, 155. 



, cubic and biquadratic, 158. 



, quadratic, — indirect methods of 



solution, 159. 



, general theory of, 161. 



, extension of Fermat's theorem, 163. 



-, imaginary solutions of a, 165. 



, having powers of primes for their 



modulus, 165. 



, binomial, having a power of a prime 



for their modulus, 167. 



Crop plants, experiments made at the 

 Agricultural College, Cirencester, on 

 the growth Of, 37. 



Crustacea, British, list of compiled by 

 R. M c Andrew, 222 :— Brachyura, 222; 

 Anomoura, Stomapoda, Amphipoda 

 Normalia, 223 ; Amphipoda Aber- 

 rantia (Lsemodipoda), Isopoda Aber- 

 rantia(Anisopoda), 224; Isopoda(Nor- 

 malia), Entomostraca, 225 ; Cirripedia, 

 226. 



Devonian fish, new forms of, 32. 

 Dredging Dublin Bay, Prof. Kinahan's 



report on, 27. 

 Dublin Bay, Prof. Kinahan's report on 



dredging, 27. 

 DufFerin (Lord), report on steam-ship 



performance, 193. 

 Dura Den, report on the excavations in 



the yellow sandstones of, by the Rev. 



Dr. Anderson, Prof. Ramsay, Prof. 



Nicol, and D. Page, 32. 



Earth, researches on the physical and 

 chemical changes of the, 175. 



Echinodermata, British, list of, compiled 

 by R. M c Andrew, 230 :— Crinoidea, 

 Ophiuroidea, Asteroidea, Echinoidea, 

 Holothuroidea, 230. 



Egerton (Hon. Capt.), report on steam- 

 ship performance, 193. 



Electricity, atmospheric, Prof. W. Thom- 

 son on portable apparatus for observ- 

 ing, 44. 



Electrometer,atmospheric,self-recording, 

 report on the construction of a, by 

 Prof. W. Thomson, 44. 



, portable, for atmospheric observa- 

 tion, by Prof. W. Thomson, 44. 



Entozoa, British marine, list of, compiled 

 by R. M c Andrew, 229 : — Nematoidea, 

 Trematoda, Acanthocephala, Cestoidea, 

 Cystica, 229. 



Fairbairn (W.), experiments to determine 



the effect of vibratory action and long- 

 continued changes of load upon wrought- 

 iron girders, 45 ; report on steam-ship 

 performance, 193. 



Fauna, British marine invertebrate, list 

 of, by R. M c Andrew, 217- 



Fireballs and meteorites, catalogue of, by 

 R. P. Greg, 48. 



Fish, fossil, in the yellow sandstone of 

 Dura Den, 32. 



Flax plant, on the growth of the, 42. 



Foraminifera, British marine, list of, com- 

 piled by R. M-Andrew, 234. 



Forbes (Prof. J. D.), report on the scien- 

 tific objects to be sought for by con- 

 tinuing balloon ascents, 43. 



Fossil remains in the Dura Den yellow 

 sandstone, 32. 



Gasteropoda Prosobranchiata, British, 

 list of, compiled by R. M c Andrew, 

 218. 



Opisthobranchiata, British, list of, 



compiled by R. M c Andrew, 219. 



Nudibranchiata, British, list of, 



compiled by R. M c Andrew, 220. 



Gauging of water by triangular notches, 

 interim report on the, by J. Thomson, 

 217. 



Geological phenomena, on the effects of 

 long-continued heat, illustrative of, 

 175. 



Girders, wrought-iron, experiments on, 

 by W. Fairbairn, 45. 



Gladstone (Dr. J. H.), report on observa- 

 tions of luminous meteors, 1 . 



Glaisher (James), report on observations 

 of luminous meteors, 1 . 



Grasses, experiments made at the Agri- 

 cultural College, Cirencester, on the 

 growth of, 35. 



Greg (R. P.), report on observations of 

 luminous meteors, 1, 22 ; catalogue of 

 meteorites and fireballs from a.d. 2 to 

 a.d. 1860, 48. 



Harcourt (Rev. W. Vernon), report on 

 the effects of long-continued heat, 

 illustrative of geological phenomena, 

 175. 



Heat, long continued, Rev. W. V. Ilar- 

 court's report on the effects of, illus- 

 trative of geological phenomena, 1 75. 



Holoptychius, fossil, some new particu- 

 lars on the structure and figure of the 

 genus, 32. 



Hydrozoa, British marine, list of, com- 

 piled by R. M c Andrew, 232:— Cory- 

 nidae, Sertularidfe, Calycophorida;, 

 Physophoridse,232; Medusidse,Lucer- 

 naridse, 233. 



