17 



Polarization, On the principles of Illu- 

 mination in connection with. W. K. 

 Bridgman, iv, 171, 195, 232 



Polycystina, Localities of Barbadoes 

 earth. J. Matthews, M.D., iv, 31, 



35 

 Polymastia biclavata, On. B. W. 



Priest, VI, 302, 323 

 Polyxenus lagurus, the Pencil Tail. 



S. J. Mclntire, 11, no, 121 

 Polyzoa, Observations on. A. H. H. 



Lattey, 11, 281 ; in, i 

 Postal Micro-Cabinet Club, iv, 127 

 Potash Salts of Stassfurt, Microscopical 



Objects in. — Weissflog, i, 138 

 Potato Disease, Translation from De 



Bary's Monograph on Peronospora, 



iii» 139 

 Powell andLealand's Immersion Lenses, 



I, 142 

 President's Address, 1868. A. E. 

 Durham, i, 95. 1869. i, 240 



„ „ 1870. P. Le Neve 



Foster, 11, 103 



,, „ 1871. Lionel S. 



Beale, M.B., 11, 221. 1872 (printed 

 with Seventh Annual Report sepa- 

 rately) 



„ „ 1873. R. Braith- 



waite, M.D. (printed with Eighth 

 Annual Report separately). 1874. 



111,327 



„ „ 1875. J.Matthews, 



M.D. (printed with Tenth Annual Re- 

 port separately). 1876. IV, 186 



„ „ 1877. Henry Lee, 



IV, 318. 1878. V, 87 



„ 1879. Prof. T. H. 



Huxley, v, 250 



,, „ (Inaugural), 1879. 



T. Spencer Cobbold, M.D., vi, i, ^^^. 

 1880. VI, 171 



„ „ 1 88 1. T. Charters 



White, VI, 305 

 Priest, B. W., On the Natural History 

 and Histology of Sponges, vi, 229, 

 269, 273, 287 



,. ,, On the Boring Sponge 

 Cliona celata, vi, 234, 269 

 „ „ On Polymastia biclavata^ 

 VI, 302, 323 

 Prism, Achromatic, Construction and 



Use of. J. E. Ingpen, in, 222, 313 

 Proboscis of the Blow-fly. B. T. Lowne, 

 I, 126, 149, 190, 206 



W.T.Suffolk, 

 I, 131, 149, 193 



„ „ „ A. Topping, 



IV, 132 



Proceedings, 1,20, 47,84, 112, 146, 178, 



205, 249. n, 24, 54, 88, 118, 147, 



178, 210, 243, 278. Ill, 26, 53, 89, 



118, 146, 171, 201, 218, 243, 305. 



IV, 29, 69, 121, 161, 195, 232, 284, 



328. V, II, 63, 94, 133. 185, 256. 



VI, 29, 85, 121, 182, 214, 272, 312 

 Proposal to admit Ladies as Members, 



I, 50, 84 

 Protococcus pluvialis. On the resting 



spores of. T. Charters White, vi, 



43. 87 

 Pseudo-binocular Prism, New. H. 



Crouch, I, 142 

 Pseudo-Scori)iones. S. J. Mclntire, i, 



8,21 

 Psorospermia-like bodies associated with 



degeneration of Hydatid Cysts. H. 



T. Whittell, M.D., VI, 47, 87 

 Pygmephorus spinosus. On. A. D. 



Michael, vi, 107, 128 

 Pyritized wood, On Silicified Structure 



in. M. Hawkins Johnson, iv, 159, 



168 



Queen Bee and her fertilization. On the. 

 Jno. Hunter, v. 127, 141 



Rabbit's tongue, On the gustatory 

 organs of. T. Charters White, vi, 296, 



3'4 

 Raphiodesma minima, On. J. G. 



Waller, vi, 97, 123 

 Ratio-Micro-Polariscope. J. J. Field, i, 



215, 253 

 Receipts for Microscopists. Julien 



Deby, vi, 165, 184, 213 

 Recollections of our Meetings, i, 18 

 Reflecting Illuminator, On a new. W. 



K. Bridgman, iv, 214, 237 

 Reflector, Silvered Glass. J. Matthews, 



M.D., III, 179 



„ Sunlight. Jas. Smith, in, 



202 

 Report on Excursions, 1868, i, 133 ; 



1870, II, 70, 115 ; July, 1878, V, 104; 



1880, VI, 105, 126. 

 Report of Committee on F. Crisp's Do- 

 nation, IV, 47, 70 

 Resin and Beeswax Cement. T. Charters 



White, III, 58 

 Resting Spores of Protococcus pluvialis, 



On the. T. Charters White, vi, 43, 



87 



Review, Hincks' British Hydroid Zoo- 

 phytes, I, 198 

 „ Lowne on the Blow-fly, 11, 21 



Richards, E. New method of using 

 Darker's Selenites, 11, 88 



