58 



EIO — ROP 



EICHARDSON, B. W.— 



— — (2). Stops recommended for 



oblique illumination with the 

 achromatic condenser, vi, 10-12 ; 

 and vi, 86, 87. 



— — (3). On xanthine and some of 



its crystalline compounds, xiii, 

 168, 169, pi. vi. 



(4). Mode of staining animal 



tissues of a permanent purple-grey 

 colour, xiv, 281, 282. 



KICHARDSON, J. G. (1). Corpuscular 

 blood-elements in the urine in 

 Briirht's disease, x, 191-193. 



(2). On the identity of the 



white corpuscles of the blood with 

 the salivary, pus, and mucous cor- 

 puscles, ix, 245-250. 



RIDDELL, J. L. (1). Notice of a bino- 

 cular microscope, i (o. s.), 236, 

 237. 



(2). On a new method of illu- 

 minating opaque objects for the 

 high powers of the microscope ; 

 and on a new achromatic conden- 

 ser, i (o. s.), 237, 238. 



(3). Professor Riddell's bino- 

 cular microscope, i (o. s.), 304, 

 305. 



— — (4). On the binocular micro- 



scope, ii (0. s.), 18-24. 



(5). Match photographs, or 



camera lucida drawings of micro- 

 scopic objects for the stereoscope, 

 made by means of the ordinary 

 monocular microscope, ii (o. s.), 

 290, 291. 



Ridleia ; gen. n., Dendy (1). 



EIMMINGTON, F. M. (1). On fungous 

 destruction of lozenges in a dry 

 atmosphere. (Transactions) x, 103, 

 104. 



Rio de Sangu, v (o. s.), 236, 237. 



ROBERTS, W. (1). On peculiar appear- 

 ances exhibited by blood-corpuscles 

 under the influence of solutions of 

 magenta and tannin, iii, 170-179. 



(2). The doctrine of contagium 



vivum and its application to medi- 

 cine, xvii, 307-329. 



ROBERTS, W. C. (1) & H. J. SLACK. 

 On fungoid growths in aqueous 

 solutions of silica, and their arti- 

 ficial fossilization. (Transactions) 

 xvi, 105-108, pi. xii. 



ROBERTSON, C. (1). Note on an un- 

 described species of Acarus, found 

 in the Pigeon, vi, 201-203. 



ROBERTSON. C— 



(2). Note on a double Earth- 

 worm, Lumbricus terrestris. vii, 

 157, 158. 



(3). On a new nozzle and pipe 



for injecting-syringes. viii, 52, 

 53. 



ROBERTSON, D. (1). Notes on Am- 

 phidotus cordatus. xi, 25-27. 



ROBERTSON, W. (1). On micrometers 

 applied to microscopes, iv (o. s.), 

 153-157. 



(2). Note on a proposed form 



of condenser, viii, 106, 107. 



ROBINSON, J. R. (1). On the measure- 

 ment of the aperture of objectives, 

 iii (o. s.), 163-166. 



Rodentia; haemoglobin of blood, Hal- 

 liburton (3). 



Rolleston ; Forms of Animal Life (re- 

 view), X, 283-287. 



ROLLESTON, G. (1). Note on the 

 blood-corpuscles of the two-toed 

 Sloth, Choloepus didactylus. vii, 

 127-130. 



(2). On the development of the 



enamel in the teeth of Mammals 

 as illustrated by the various stages 

 of growth demonstrable in | the 

 evolution of the fourth molar of a 

 young Elephant (Elephas indicus), 

 and of the incisor teeth in the 

 foetal Calf (Bos taurus). xii, 109- 

 111, pis. vi, vii. 



ROMANES, G. J. (1). Medusa and 

 Hydroid Polyps living in fresh- 

 water, xxi, 162, 163. 



ROOD, 0. N. (1). On the practical ap- 

 plication of photography to the 

 microscope, ii, 261-269. 



ROPER, P. C. S. (1). Some observa- 

 tions on the Diatomacese of the 

 Thames. (Transactions) ii, 67-80, 

 pi. vi. 



(2). Three new British species 



of Diatomacese. ii (o. s.), 283, 

 284. 



— — (3). Notes on some new species 

 and varieties of British Marine 

 Diatomacese. vi (o. s.), 17-25, pi. 

 iii ; cf. vii (o. s.), 261. 



(4). On the genus Biddulphia 



and its afiinities. (Transactions) 

 vii, 1-24, pis. i, ii. 



(5). On Triceratium arcticum, 



(Transactions) viii, 55-58. 



(6). On the genus Licmophora. 



(Transactions) xi, 53-62. 



