REPORTS ON THE STATE OF SCIENCE. 
Seismological Investigations.—Twelth Report of the Committee, consisting 
of Professor H. H. Turner (Chairman), Dr. J. Mitnn (Secretary), Lord 
Ketvin, Dr. T. G. Bonnny, Mr. C. Vernon Boys, Sir GEoRGE 
Darwin, Mr. Horace Darwin, Major L. Darwin, Professor J. A. Ew1ne, 
Dr. R. T. Guazesroor, Mr. M. H. Gray, Professor J. W. Jupp, Professor 
C. G. Kworr, Professor R. Merpoza, Mr. R. D. OtpHam, Professor 
J. Perry, Mr. W. E. Prummemr, Professor J. H. Poyntine, Mr. Ciement 
Rep, and Mr. Netson Ricwarpson. (Drawn up by the Secretary) ...... 
I. General Notes on Stations and Registers ............:sssceseeeneeeees 
II. The Situations of Stations ........ Sesie cesaaros be oon: paar Bis et eh: 
ITI. Photographic Record-receivers ........ccccssccssccesseccevsceesceseseees 
IV. Origins and Relationships of Large Earthquakes in 1906 ......... 
V. On the Apparently Luminous Effects from certain Rocks ........ : 
VI. Earthquakes and Changes in Latitude. By Dr. C. G. Kwort ... 
VII. Note on the Duration of the First Preliminary Tremor in the 
San Francisco and Colombian Earthquakes. By R. D. 
COUNTS Tao 2 SEEN See 5 Bee a ear ee ESE ee ana Sanh tien ar 
Magnetic Observations at Falmouth Observatory.—Report of the Committee, 
consisting of Sir W. H. Prerce (Chairman), Dr. R. T. GLazeBRoox (Secre- 
tary), Professor W. G. Avams, Dr. Coren, Captain Ornax, Mr. W. L. 
Fox, Sir A. W. Rtcxsr, and Professor ScHUSTER ..... Stet An eps Sih op duciceamide's 
The Further Tabulation of Bessel Functions.—Report of the Committee, 
consisting of Professor M. J. M. Hitz (Chairman), Dr. L. N. G. Fiton 
(Secretary), and Professor ALFRED LODGE ...........cecccssseeceusccsssesscsecesses 
APPENDIX.—Report of the Committee appointed in 1906 to consider 
the Further Calculation of Bessel’s Functions ............ssseseeeceeeass 
The Teaching of Elementary Mechanics.—Report of the Committee, con- 
sisting of Professor Horace Lamp (Chairman), Professor J. Prrry 
(Secretary), Mr. C. Vernon Boys, Professors Curystat, Ewi1ne, G. A. 
Gipson, and GREENHILL, Principal Grirrirus, Professor Hennict, Dr. 
E. W. Hozson, Mr. C. S. Jackson, Sir OLivER Lopes, Professors Love, 
Mrincain, Scuusrer, and A. M. Worrurneron, and Mr. A, W. Srppons, 
appointed for the Consideration of the Teaching of Elementary Mechanics, 
and the Improvement which might be effected in such Teaching ............ 
Investigation of the Upper Atmosphere by means of Kites in co-operation 
with a Committee of the Royal Meteorological Society.—Sixth Report of 
the Committee, consisting of Dr. W. N. SHaw (Chairman), Mr. W. H. 
Dinzes (Secretary), Mr. D. Ancuipatp, Mr. ©. Vernon Boys, Dr. 
R. T. Grazesroox, Dr. H. R. Mitt, Professor A. ScuusTER, and Dr. 
Dy. WATSON. (Drawn up by the Secretary))...:.....<cc+ac.stsvesssurssseccenanp 
Glossop Moor Kite Station (Peak District). Report for the Session 
ROG ae iat iiSY. 0, Pe PIRTAVEL, WR. S, Sitccactesa.dcastuevdarearecaeee ane 
Meteorological Observations on Ben Nevis.—Report of the Committee, consist- 
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ing of Lord McLaren (Chairman), Professor Crum Brown (Secretary), 
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Sir Jouw Murray, Professor F, W. Dyson, and Mr. R. T. Omonp ......... 
The Transformation of Aromatic Nitroamines and Allied Substances, and its 
relation to Substitution in Benzene Derivatives Report of the Com- 
mittee, consisting of Professor F. S. Kippine (Chairman), Professor K. J.P. 
Orton (Secretary), Dr. S. Runemany, Dr. A. Lapwortu, and Dr. J. T. 
Hewitt. ..... adeconsteLcostsaveMoweoadtocsss Reverasecceran’s Walsseeaeiee ne Sisiveseusors ... LOL 
