lO 



NA TURE 



[May 4, 1893 



Ancestors," containing much information upon the Ethnography 

 of Asia, &c., published in parts in "The Indian Antiquary," 

 and about to be republished separately ; '' The Mammoth and 

 the Flood," 8vo, pp. 464, 1887. Numerous papers on historical, 

 antiquarian, anthropological, and geological subjects in Journ. 

 Ethnolog. Soc, Journ. Anthrop. Inst. (Westerly Drifting of 

 the Nomads, Ethnology of Germany, Spread of the Slaves, &c.), 

 Journ. Roy. Asiat. Soc. (Northern Frontagers of China.), 

 International Congress of Orientalists, Historical Soc. (Early 

 History and Movements of the Danes and Norsemen), Archaeo- 

 logia, Geological Magazine, &c. Distinguished for his literary 

 and archfeological attainments. 



Edwik Tulley Newton, 

 F.G.S., F.Z.S. PaliEontologist to the Geological Survey 

 of England and Wales. For twenty- five years on the Staflfof 

 the Survey. Recipient of the Wollaston Donation Fund of the 

 Geological Society, in 1884. Author of numerous papers on 

 PalEeontological and Biological Subjects, of which the following 

 are some of the more important : — " On the Skull, Brain and 

 Auditory Organ of a New Species of Pterosaurian {Scaphog- 

 nathtis Funloni)" (Phil. Trans., 1888) ; "On a Gigantic Species 

 of Bird {Gasiornis Klaasscnii) from the Lower Eocene " (Trans. 

 Zool. Soc, 1886); twenty-six papers on "Cretaceous Fishes 

 and Tertiary Vertebrata " (in Quart, yourn. Gcol. Soc. and Gtol. 

 Mag., 1876-90) "On the Structure of the Eye of the Lobster 

 and on the Brain of the Cockroach " (Quart, yourn. Micros. Set. 

 1873-79). Also the following Memoirs of the Geological 

 Survey : — " The Chimccroid Fishes of the British Cretaceous 

 Recks ' (1878) ; and "The Vertebrata of the Forest Bed Series 

 of Norfolk and Suffolk." 



Charles Scott Sherkington, 

 M.B. (Camb.), M.A. Lecturer on Physiology, St. Thomas's 

 Hospital. Author of the following and other papers : — 

 "Secondary and Tertiary Degenerations in the Spinal Cord 

 of the Dog" {yourn P/iysiol., 1885) ; " Degenerations in the 

 Spinal Cord following Lesions of the Cortex Cerebri" (ibid., 

 1889) ; " On two recently described Tracts in the Spinal Cord " 

 (" Brain," 1886) ; " On Outlying Nerve Cells, in the Mammalian 

 Spinal Cord" (Phil. Trans., 1890). Joint Author of the 

 following, and other papers: — "Secondary Degeneration in 

 the Spinal Cord of the Dog" (Journ. Physiol., 1884); 

 "Bilateral Descending Degeneration Fifty-two Days after 

 Haemorrhage in one Cerebral Hemisphere" (" Brain," 1886) ; 

 "On the Formation of Scar Tissue " (yc«n(. Physiol. 1889); 

 On the Regulation of the Blood Supply of the Brain" (yourn. 

 Physiol. 1890) ; "The Influence of ihe Movements of the body 

 upon the Capacity of the Cranio-Verlelral Canal" ("Brain," 

 1891). 



Edward C. Stirling, 



M.D. (Camb.), M.A., F.R.C.S., C.M.Z.S., late President, 

 Royal Society of South Australia, and Inter-colonial Medical 

 Congress. Senior Surgeon, Adelaide Hospital. Lecturer on 

 Physiology, University of Adelaide. Eminent for his researches 

 in Physiology and Ethnology in South Australia. Formerly 

 Assistant- Surgeon and Lecturer on Physiology, St. George's 

 Hospital, London. For ten years Surgeon to the Adelaide 

 Hospital, and now Senior Surgeon and Member of the Board 

 of Management. For ten years Lecturer on Physiology and 

 Member of the University Council of Adelaide. President of 

 the First Intercolonial Medical Congress, 1887 ; Vice-President 

 of the Second, i888. President of the Royal Society of South 

 Australia, 1889 ; and of the Australian Branch of the British 

 Medical Association in 1888. A member of the Legislative 

 Assembly South Australia, 1883-86. First President and 

 Organiser of the States Children Council. For seven years 

 Hon. Director and Organiser of the South Australian Museum. 

 Author of many papers in the St. George's Hospital Reports, 

 Inter-colonial Congresses, the Transactions South Australian 

 Branch Brit. Med. Assoc, Transactions of the Zoological 

 Socie'y, London, and Royal Society of South Australia. 

 Discoverer of a new genus and Species of Marsupialia, 

 Notoryctes Typhlops, and other species, during a journey from 

 the north to the south of the Australian Continent, in company 

 with His Excellency the Earl of Kinlore, Governor of South 

 Australia. 



John Isaac Thornycroft, 

 M.Inst.C. E. Member of Council of the Institution of Naval 

 Architects. Author of several papers connected with Science, 



NO. I 227, VOL. 48] 



as : " On the Resistance opposed by Water to the motion of 

 Vessels of Various Forms, and on the way in which this varies 

 with the velocity " (1869) ; "On the Efficiency of Guide-blade 

 Propellors" (1883); "On the most suitable Propeller for 

 Shallow Draughts" (1885); "On Shallow-draught Screw, 

 steamers" (1885); "On Torpedo-boats and Light Yachts" 

 (8vo, pp. 94, with five large diagrams, 1881). A distinguished 

 engineer and naval architect, also most successful as a scientific 

 naval architect in the construction of torpedo-boats, having a 

 minimum of weight and a maximum of power and speed. 

 Attached to science and anxious to promote its progress. 



James William Helenus Trail, 



M.D., A.M., CM. (Aberdeen). Regius Professor of Botany 

 (since 1877) in the University of Aberdeen. Corresp. K.-K 

 Zool.-Botan. Gesell., Vienna, and Soc. Nat. Sci. et Math., 

 Cherbourg. Made, in 1874, important botanical collections in 

 the Valley of the Amazon, in North Brazil. Author of a paper 

 on the Palms collected on the occasion (Journ. of Bot., 1876) ; 

 of a " Revision of Scottish Discomycetes" (Scottish Naturalist, 

 N.S., iv., 1889); of a paper on the Gall-making Diptera of 

 Scotland (ibid., 1888), and of numerous others. 



Alfred Russel Wallace, 



LL.D., D.C.L., F.L.S., F.Z.S. Author of a paper "On 

 the Tendency of Varieties to depart indefinitely from the 

 Original Type" (Journ. Linn. Soc, iii., 1859, Zoology), and 

 numerous other writings. 



Arthur Mason Worthington, 



M. A., F. R.A.S. Head Master and Professor' of Physics, 

 Royal Naval Engineering College, Devonport. Distinguished 

 as a physicist, especially for his researches on surface tension 

 and on the stretching of liquids. Author of the following 

 papers : — "On the Forms assumed by Drops of Liquid falling 

 Vertically on a Horizontal Plate " (Proc. Roy. Soc, 1876-77) ; 

 "On the Spontaneous Segmentation of a Liquid Annulus" 

 (ibid., 1879) ; "On Pendent Drops" (ibid., 1881) ; "On Impact 

 with a Liquid Surface" (ibid., 1882); "On the Horizontal 

 Motion of Floating Bodies under the Action of Ca]nllary 

 Forces" (Phil. Mag., 1883) ; "On the Surface Forces in 

 Fluids " (ibid., 1884), " On the Error involved in Prof. Quincke's 

 Method of Calculating Surface Tensions from the Dimeisions 

 of Flat Drops and Bubbles" (ibid., 1885); "A Ca;3illary 

 Multiplier" (?7<;V^.) ; "On Tensional Stress and Strain within 

 a Liquid" (Brit. Assoc Sect. A., 1888) : "On the Discharge 

 of Electrification by Flames" (Brit. Assoc, Rept. Electrolysis 

 Comm., 1889) ; " On the Mechanical Stretching of Liquids, an 

 Experimental Determination of the Volume-Extensibility of 

 Ethyl Alcohol" (read before the Roy. Soc. Feb. 4, 1892). 

 Also of the following : — " Physical Laboratory Practice," and 

 " The Dynamics of Rotation." 



Sydney Young, 



D. Sc (Lond.). Professor of Chemistry, University College, 

 Bristol. Well known as a scientific chemist. Author of 

 numerous papers on Organic and Inorganic Chemistry, and on 

 the border-land of Physics and Chemistry. Among these are : — 

 " Alkyl Fluorides ; " " Ethyl valerolactone ; " " Vapour 

 Pressures and Specific Volumes of Halogen Compounds in 

 relation to the Periodic Law ; " " A New Method of determining 

 Specific Volumes of Liquids and Saturated Vapours ;"" The 

 Molecular Volumes of the Saturated Vapours of Benzene, 

 and of its Halogen Derivatives." Dr. Young is also 

 the joint author of numerous memoirs on the thermal 

 properties of liquids, and allied subjects, several of which 

 have appeared in full in the Philosophical Transactions. 

 During the last five years Dr. Young has published the fol- 

 lowing papers on chemical and physical subjects : — Preparation 

 ofDibenzyl Ketone; Vapour-Pressures of Quinoline, Dibenzyl 

 Ketone, and Mercury ; Exact Thermometry ; The Volatilisation 

 of Ice ; A Thermometer for Lecture Purposes ; Relations 

 between Boiling-Points, Molecular Volumes, and Chemical 

 Characters of Liquids ; Vapour- Pressures and Molecular 

 Volumes of Acetic Acid, Carbon Tetra-Chloride, and Stannic 

 Chloride; Relations between "Corresponding" Temperatures, 

 Pressures, and Volumes of Liquids and Vapours. The last 

 item of the series of joint papers with Professor Ramsay—" A 

 Study of the Thermal Properties of Water and Steam "—has 



