Notices respecting New Books. 



051 



quickly and the sound produced may be described as a thump 

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The writer takes this opportunity of acknowledging the 

 kindness of Prof. V. A. Mundella when he (the writer) began 

 research work in 1902, and also of Dr. Barton, whose sug- 

 gestions have rendered this paper possible. 



14 City Road. London, E.C. 

 March 11. 1010. 



LXIX. Notices respecting New Books, 



Physical Science in the time of Nero : being a translation of the 

 Qusestiones uaturales of Seneca. By John Clark, M.A. With 

 Notes on the Treatise by Sir Archibald (teikie, K.C.B., D.C.L. 

 etc, (London : MacMillan & Co., 1910.) 10s. net. 



T^YEN those who are most absorbed in the methods and aims 

 -*^* of modern science must, sometimes at any rate, feel their 

 interest aroused in the scientific world of the ancients. To such t his 

 book will be specially welcome because the Qucestiones naturalts 



