604 
snakes.—Pierre Delbet and Armand Beauvy : Compara- 
tive study of the action of ultra-violet light on the 
hemolytic power and the colloidal state of blood 
serum.—Henri Piéron: The influence of the state of 
adaptation of the eye on the laws of decrease of the 
time of latency for various light radiations.—C. 
Levaditi: Hydrophobia virus and cells cultivated in 
vitro.—G. Marinesco and J. Minea: The infective power 
of the cephalo-rachidian fluid in juvenile general 
paralysis. This fluid has been shown to contain living 
spirille. 
BOOKS RECEIVED. 
The Commonwealth of Australia. Federal Hand- 
book, Prepared in Connection with the Eighty-fourth 
Meeting of the British Association for the Advance- 
ment of Science, held in Australia, August, 1914. 
Edited by G. H. Knibbs. Pp. xvi+598. (Melbourne : 
A. J. Mullet.) 
Geologischer Fiihrer durch die Lausitz. 
Beger. Pp. xii+319. (Berlin: 
6 marks. 
Astronomy, By C. Flammarion. 
(London: Constable and Co., Ltd.) 2s. net. 
The English Year. Summer., By W. B. Thomas 
and A. K. Collett. Pp. viii + 341 + plates. (London 
and Edinburgh: T. C. and E. C. Jack.) os. 6d. net. 
Memoirs and Proceedings of the Manchester Literary 
and Philosophical Society, 1913-14. Vol. Iviii., part ii. 
(Manchester.) 7s. 
Dante and the Early Astronomers. By M. A. Orr. 
Pp. xvit+507. (London and Edinburgh: Gall and 
Inglis.) 15s. net, 
Proceedings of the Royal Irish Academy. Vol. xxxi. 
Clare Island Survey. Part 7, Geology. By T. Hal- 
lissy. Pp. 22+vi plates+1 map. is. 6d. Part 9g, 
Tree Growth. By A. O. Forbes. Pp. 32+ii plates. 
Byaby: je 
Gebriider Borntraeger.) 
Pip.) xi4-19n. 
1s. Part 47, Archiannelida and Polycheta. By R. 
Southern. Pp. 160+xv_- plates. 5s. (Dublin: 
Bee Figgis and Co.; London: Williams and Nor- 
gate. 
The Khasis. By Lt.-Col. P. R. T. Gurdon. Second 
edition. Pp, xxiv+232. (London: Macmillan and 
Co., Ltd.) tos. net. 
Enquéttes et Documents relatifs 4 1’Enseignement 
Supérieur. cix. Année 1913. Pp. 108. (Paris.) 
Ergebnisse der Zweiten Deutschen Zentral-Afrika- 
Expedition, 1910-11. Under the Direction of Adolf 
Friedrichs, Herzogs zu Mecklenberg. Band. i., 
Zoologie. Lief. 4. Pp. 89-108. 90 pfennigs. Lief. 
Pp. 109-134. 1.20 marks. (Leipzig: Klinkhardt 
and Biermann.) 
Elementary Household Chemistry. By Prof. J. F. 
Snell. Pp. ix+307. (New York: The Macmillan 
Co.; London: Macmillan and Co., Ltd.) 5s. 6d. net. 
Glamorganshire. By J. H. Wade. Pp. xi+196. 
(Cambridge University Press.) 1s. 6d. 
Durham. By W. J. Weston. Pp. viii+ 184. 
bridge University Press.) 1s. 6d. 
Flies in Relation to Disease. 
(Cam- 
Non-Bloodsucking 
Flies. By Dr. G. S. Graham-Smith. Second edition. 
Pp. xvit+389. (Cambridge University Press.) 12s. 6d. 
net. 
The Family Chain. Marriage and Relationships of 
Native Australian Tribes. By J. Hepkins. (Pp ai 
(London: Watts and Co.) 1s. 
Die geologischen Naturdenkmaler des _ Riesen- 
gebirges. By Prof. Dr. Giirich. Pp. 141-324. (Ber- 
lin: Gebriider Borntraeger.) 5.50 marks. 
Krafte und Spannungen das Gravitations- und 
Strahlenfeld. By Prof. Dr. Max B. Weinstein. Pp. 
ee (Braunschweig: F. Vieweg und _ Sohn.) 
2 marks. 
NO. 2236) (VOL soai 
NATURE 
[AuGuST 6, 1914 
Verfliissigung der Kohle und Herstellung der. 
Sonnentemperatur. By Profs: Df-jO:. Lunmer: 7) Bp: 
xiiit+140o. (Braunschweig: F, Vieweg und Sohn.) 
5 marks. 
Malaio-Polynesische Wanderungen. By Dr. 
Friederici. Pp. 37. (Leipzig : Simmel and Co.) 
Willkommen in Cambridge. Schlichte Antworten 
auf kluge Fragen. By Karl Breul. Dritte Auflage. 
Pp. 40. (Cambridge University Press.) 1s. 6d. net. 
Mellon Institute of Industrial Research and School 
of Specific Industries. Smoke Investigation. Bulletin 
No. 8. Some Engineering Phases of Pittsburgh's 
Smoke Problem. Pp. 193+plates. (Pittsburgh, Pa. : 
University of Pittsburgh.) 
Experimentelle Untersuchungen tiber die innere 
Sekretion der Keimdriisen und deren Beziehung zum 
G; 
Gesamtorganismus. By Dr. W. Harms. Pp. iv+ 
368. (Jena: G. Fischer.) 12 marks. 
Deutsches Meteorologisches Jahrbuch ftir 1913. 
Freie Hansestadt Bremen. Jahrgang xxiv. Edited 
by Prof. Grosse. Pp. iv+88. (Bremen: Jilling and 
Luiken.) 
CONTENTS. PAGE 
ThewNew, British> Flora, ~ By/A SB. ho. ee eee 579 
Geapraphical Guides. By G.At JiiC =a ae 580 
Glenetres? prs oe: s. d.0.'s. Bo Lhn Seen oe ee 581 
OurnBookshelf. © 2, . seis: tment ere 582 
Letters to the Editor :— 
The Hemoproteus of the Indian Pigeon.—Lt.-Col. 
AsiAlcotck; .C.l-E., BO RaS. es oe eee 584 
Radio-activity and Atomic Numbers.—Dr. F. A. 
Kindémann,; *.)... 27) Seep ae ee 584 
Circulatory Movements in Liquids. (///ustvated.) 
Prof. D. J. Korteweg BAY Sop ee te SH fio ie 584 
Natural History and the Ocean. (J//ustrated.) . . 585 
The Administrative Problem of Sleeping Sickness 587 
Recent Studies of the Atmosphere. ....... 58 
INJOCES Rh ted oe Lok be RE erg 589 
Our Astronomical Column: — 
Gomet1o13/(Delavan) “itt us so set es 594 
Nebular Rotation... jag thas seneenel sean ee 594 
Solar Physics Observatory, Cambridge ...... 594 
Annals of the Royal Belgium Observatory .... . 594. 
The Aberdeen Meenas of the British Medical 
ASsociation!:! 2. i.) 3s SR as eee 595 
The Havre Meeting an the French Association 595 
Imperial Cancer Research Fund. ..... 597 
International Commission on the Chemical Anarene 
pimsolls. “By J. A‘ Hn cee ele coker ee 598 
The Stars Around the North Pole. (W2th Diagrams.) 
ByeO reek. VV. Dyson; RRs o mci neeemn 599 
University and Educational Intelligence. . . 602 
Societies and Academies ......... 603 
Booksereceived.  . 5. a. a eee eens 604 
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