1 APR 1SB6 



TRANSACTIONS 



OF THE 



10YAL SOCIETY OF EDINBURGH. 



VOL. XXXII. PART III.— FOE THE SESSION 1884-85. 



CONTENTS. 



Page 

 XXIV. — Micrometrical Measures of Gaseous Spectra under High Dispersion. By C. 

 Piazzi Smyth, F.R.S.E., and Astronomer-Royal for Scotland. Read June 

 16, 1884. (Plates XLVIII.-LXXVIIL), . . . .415 



XXV.— Ore Bipartite Functions. By Thomas Muir, LL.D. Read February 16, 1885, ^ 461 



XXVI. — The 364 Unifilar Knots of Ten Crossings, Enumerated and Described. By 



Rev. Thomas P. Kirkman, M.A., F.R.S. Read July 20, 1885, . . 483 



XXVII.— On Knots. Part III. By Professor Tait. Read June 1 and July 20, 1885. 



(Plates LXXIX.-LXXXL), . ..... 493 



XXVIII. — A New Graphic Analysis of the Kinematics of Mechanisms. By Professor 

 Robert H. Smith, Mason College, Birmingham. Read January 19, 1885. 

 (Plate LXXXIL), 507 



XXIX. — TJw Visual, Grating and Glass-lens, Solar Spectrum (in 1884). By C. Piazzi 

 Smyth, F.R.S.E., and Astronomer-Royal for Scotland. Read June 1, 1885. 

 (Plates LXXXIIL-CXLIIL), 519 



XXX. — Observations on the Recent Calcareous Formations of the Solomon Group made 

 during 1882-84. By H. B. Guppy, M.B., F.G.S., Surgeon H.M.S. "Lark." 

 Communicated by John Murray, Esq. Read June 15, 1885. (Plates 

 CXLIV., CXLV), 545 



XXXI. — Observations on Atmosplieric Electricity. By Professor C. Michie Smith. 



Read June 1, 1885. (Plate CXLVL), . . . . .583 



XXXII. — Note on Ectocarpus. By John Rattray, M.A., B.Sc, Scottish Marine Station, 

 Granton, Edinburgh. Communicated by John Murray, Esq., Ph.D. Read 

 February 2, 1885. (Plates CXLVIL, CXLVIIL), . . .589 



XXXIII. — Anatomy and Physiology of Patella vulgata. Part I. Anatomy. By R. J. 

 Harvey Gibson, M.A. Communicated by Professor Herdman, D.Sc. 

 Read January 5 and July 20, 1885. (Plates CXLIX.-CLIII.), . . 601 



XXXIV. — Detached Theorems on Circulants. By Thomas Muir, LL.D. Read May 4, 



1885, ......... 639 



XXXV. — On the Hessian. By Professor Chrystal. Read May 18, 1885, . . 645 



