NA TURE 



[July 29, 1922 



a sailor and devoted to science." And that seems to 

 express his attitude throughout all his work. 



W. A. Herdman. 



The death is announced in the Chemiker Zeitung 

 of June 24 of Prof. W. Hallwachs, of the Technische 

 Hochschule, Dresden, on June 20. Prof. Hallwachs, 

 who was sixty-three years of age, was known for his 

 researches on electricity, particularly on the photo- 



electric effect. The same journal also records the 

 death of Prof. Otto Lehmann, on June 20, at the age 

 of sixty-seven. Prof. Lehmann, who has occupied 

 tlii' chair of physics at the Technische Hochschule at 

 Karlsruhe since i8Sg, was best known for his work 

 on liquid crystals. His first paper on this subject was 

 published in 1890, and his further researches were 

 embodied in two monographs published later. In 

 addition, he carried out work of importance in con- 

 nexion with discharge and cathode-ray phenomena. 



Current Topics and Events. 



Col. E. M. Jack has been appointed Director- 

 General of the Ordnance Survey in succession to Sir 

 Charles Close, who is retiring in August. 



The Chemiker Zeitung announces that Prof. H. 

 Kamerlingh Onnes, director of the Physical Institute 

 of the University of Leyden : Dr. P. Zeeman, professor 

 of physics at the University of Amsterdam ; and 

 Dr. N. Bohr, professor of theoretical physics at the 

 University of Copenhagen, have been elected cor- 

 responding members in the Physical-Mathematical 

 Class of the Prussian Academy of Sciences, Berlin. 



The Charles P. Daly medal of the American 

 Geographical Society has been presented on behalf 

 of the society by the American Ambassador to Sir 

 Francis Younghusband. The medal, which was 

 instituted under the will of the late Charles P. Daly, 

 sometime president of the American Geographical 

 Society, is awarded for valuable or distinguished 

 geographical services or labours, and that presented 

 to Sir Francis Younghusband bears the inscription, 

 " For explorations in Northern India and Tibet and 

 for geographical publications on Asiatic and African 

 borders of the Empire." 



Some appointments have recently been made on 

 the scientific staff of the Field Museum of Natural 

 History, Chicago. Mr. R. Linton has been attached 

 to the department of anthropology as assistant 

 curator of North American ethnology. .Mr. Linton 

 has carried out extensive investigations, principally 

 archaeological, in the eastern, central, and south- 

 western United States, as well as in Central America 

 and Polynesia. Recently he has returned from an 

 expedition to the Marquesas Islands for ethnological 

 and archaeological researches, undertaken under 

 tin' auspices of the Bishop Museum of Honolulu, 

 Hawaii. A new division of taxonomy has been 

 created in the department of botany, and Mr. f. 

 F. Alacbride, now in Peru at the head of a botanical 

 expedition for the Field Museum, has been designated 

 as assistant curator. In the department of zoology, 

 Dr. C. E. Hellmayr, well known for his extensive 

 work on Neotropical birds, has been appointed 

 associate curator of birds. Dr. Hellmayr was 

 formerly connected with the Rothschild Museum at 

 Tring, and more recently has been with the Museum 

 of the University of Munich. Mr. Heller, a former 

 associate of Theodore Roosevelt, and Mr. J. T. 

 Zimmer have been appointed assistant curator of 

 mammals and assistant curator of birds respectively; 

 no. 2752, VOL. I ro] 



they are at present engaged in field work in Central 

 Peru. Mr. Karl P. Schmidt, formerly with the 

 American Museum of Natural History, New York, 

 has been appointed as assistant curator of reptiles 

 and batrachians. 



Junior Beit Memorial Fellowships for medical 

 research of the annual value of 350/., and tenable 

 for three years, have been awarded by the trustees 

 to the following, the subject and place of research 

 being given after each : Mr. E. B. Verney : The 

 physiology and pathology of urinary secretion, at 

 the Institute of Physiology, University College, 

 London ; Prof. F. Cook : A study of the neuro- 

 muscular apparatus of the uterus, at Guy's Hospital .' 

 Dr. J. L. Rosedale : The chemistry of normal and 

 pathological tissue with special reference to the 

 protein and nuclein constituents, at St. Thomas's 

 Hospital Medical School, London ; Mr. R. Hilton : 

 The study of the blood gases in various stages of 

 pulmonary collapse produced by artificial pneumo- 

 thorax ; the condition of the circulation in the 

 collapsed lung, at the Laennec Hospital, Paris, and 

 at St. Bartholomew's Hospital ; Mr. A. St. G. J. M'C. 

 Huggett : The investigation of the function of the 

 placenta in relation to the passage of gases and other 

 substances from the mother to the foetus and the 

 cause of fcetal apnoea, at the Sherrington School of 

 Physiology, St. Thomas's Hospital, and at the Brown 

 Animal Institution at Vauxhall ; and Mr. V. D. 

 Allison : The investigation of the nature and pro- 

 perties of a hitherto undescribed substance which 

 has a strong bacterioidal, bacteriolytic and bacterio- 

 inhibitory action — named lvsozyme, at the Institute 

 of Pathology and Research, St. Mary's Hospital. 

 Fourth year Fellowships of the annual value of 

 400/. have been awarded to Dr. D. Keilin : The 

 life-histories of protozoa pathogenic to insects ; the 

 life-history, anatomy and physiology of insects, at 

 the Molteno Institute for Research in Parasitology, 

 Cambridge ; and Mr. I. de B. Daly : Auriculo- 

 ventricular block, at the Institute of Physiology, 

 University College, London. The trustees of the 

 Beit Scientific Research Fellowships have re-elected 

 Mr. H. L. Riley and Mr. W. A. P. Challenor to fellow- 

 ships for the year commencing September 1922, and 

 elected Mr. H. W. Buston to a fellowship for the same 

 period. All the fellows are required to carry out their 

 research at the Imperial College of Science and Tech- 

 nology. Mr. Rilev will continue his research on " The 



