Miscellaneous Intelligence. 565 



No. 117. Studies in Heredity as illustrated by the Trichomes 

 of Species and Hybrids of Juglans, Oenothera, Papaver, and 

 Solanum ; by William Austin Cannon. Pp. iii, 67; 10 plates, 

 20 figures. 



No. 118. Electrochemical Investigation of Liquid Amalgams 

 of Thallium, Iridium, Tin, Zinc, Cadmium, Lead, Copper, and 

 Lithium ; by Theodore William Richards, with the collabora- 

 tion of J. Hunt Wilson and R. N. Garrod-Thomas. Pp. 72 ; 

 12 figures. 



3. Harvard College Observatory ; Edward C. Pickering, 

 Director. — Recent publications are the following (continued from 

 vol. xxvii, p. 420) : 



Annals. Vol. LXIY, No. IV. Discussion of the Revised 

 Harvard Photometry. Pp. 91-146. 



No. V. Observations on J. D. 3182 with the 4-inch Meridian 

 Photometer.* Pp. 147-158. 



No. VI. Magnitudes of Components -of Double Stars. Pp. 

 159-189. 



4. Allegheny Observatory of the University of Pittsburgh. — 

 Recent publications are the following (see vol. xxvii, p. 420) : 



Vol. I, No. 15. The Orbit of 7r 4 Ononis ; by Robert H. Baker. 

 Pp. 107-111. 



No. 16. The Radial Velocities of Four Stars in Taurus ; by 

 Frank C. Jordan. Pp. 1 1 3-4. 



No. 17. The Orbit of C Lyrae ; by Frank C. Jordan. Pp. 

 115-118. 



No. 18. The Longitude and the Latitude of the New Alle- 

 gheny Observatory ; by Frank Schlesinger. Pp. 119-20. 



No. 19. Five New Spectroscopic Binaries ; by Frank Schles- 

 inger. Pp. 121-22. 



5. Museum of the Brooklyn Institute of Arts and Sciences. — 

 The following have recently appeared : Science Bulletin, Vol. I, 

 No. 16. — New Birds from the Orinoco Region and from Trinidad ; 

 by George K. Cherrie. Pp. 387-390. 



6. The Story of the Comets simply told for general readers ; 

 by George F. Chambers. Pp. xiii, 256; 106 figures. Oxford, 

 1909 (Clarendon Press). — A popular treatise based on the chap- 

 ters on comets in the author's well-known Handbook of Astron- 

 omy, much enlarged and embodying the latest facts and theories. 

 The work is characterized by the same merits as the other popu- 

 lar treatises of this author, and it is so abundant in details and so 

 well classified as to form a useful book of reference for the work- 

 ing library of an astronomer. w. b. 



7. Mars et ses Canaux. Les Conditions de Vie. Traduit de 

 1' Anglais par Marcel Moyen. Pp. 366 with 64 figures. Paris, 

 1909 (Mercreve de France). — Whatever may be thought of the 

 work of Percival Lowell, whether the phenomena on the surface 

 of Mars which he describes are facts or the product of auto-sug- 

 gestion, there is no difference of opinion as to his sincerity, his 

 singleness of purpose and his keenness of vision and fertility of 

 invention ; so that his laborious researches deserve the wide- 



