PEOCEEDINGS OE 

 THE ROYAL SOCIETY. 



x^---""-o^ ^ 



VOL. XV. /> \ No. 86. 



CONTENTS. 



PAGE 



VI. On the Absorption and Dialytic Separation of Gases by Colloid Septa. — 

 Part I. Action of a Septum of Caoutchouc. — Part II. Action of Metallic 

 Septa at a Eed Heat. By Thomas Geaham, F.E.S., Master of the 

 Mint 223 



VII. Notes on the Bearing of Tania ecMnococcus in the Dog, from Hydatids, with 

 some Observations on the Anatomy of the adult Worm. By Edwaed 

 Nettleship, Mem. Royal Agric. Coll 224 



VIII. Obseryations on the Ovum of Osseous Fishes. By W. H. Ransom, M.D. . 226 



IX. Variations in Human Myology observed during the Winter Session of 



1865-66 at King's College, London. By John Wood, F.R.C.S. . . 229 



X. On the Muscular Arrangements of the Bladder and Prostate, and the 



manner in which the Ureters and Urethra are closed. By J. B. Petti- 

 GEEW, M.D. Edin 244 



XT. Results of the Magnetic Observations at the Kew Observatory. — No. III. 

 Lunar Diurnal Variation of the three Magnetic Elements. By Lieut.- 

 General Edwaed Sabine, P.R.S 249 



Communications eeceived since the end or the session. 



I. On the Congelation of Animals. By John Davy, M.D., F.R.S., &c. . .250 



II. Letter to the President from Lieut. -Colonel Walkee, R.E., F.R.S., Super- 

 intendent of the Trigonometrical Survey of India 254 



ERRATA. 



R'_' R^— 

 Page 184, line 12, /or — - — read — - — -. 



o o 



— 185, „ 24, /or 1 -cos 0) reat? ^ (1 -cos 0). 



— — „ 29,/or (R^-r^) . read (R^-r^) .r. 



— 196, thirteenth line from top, omit and in an opposite direction of rotation. 



— 199, last hne, for asy read asym. 



— 200, top line, for ox read oy. 



— 200, third Hne from bottom, for o'e'^ read o'e^. 



— 200, bottom Hne, for o'v read o'v'. 



— 222, Une 3 from bottom, /or Extraction Matters of the Urine read Extractive 



Matters of Urine. 



TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



