94 Scientific Intelligence. 



No. 320. Genetic Studies of Rabbits and Rats; by W. E. 

 Castle. Pp. 55, 2 pis., 7 figs. ($1.00). 



9. American Association for the Advancement of Science. — 

 The seventy-fifth meeting of the Association was held in Salt Lake 

 City on June 22 to 24, under the auspices of the Pacific Division, 

 of which Dr. Barton \V. Evermann is president. 



10. Observatory Publications. — The University of Cincinnati, 

 Jermain G. Porter Director, has recently issued No. 19 of its 

 Publications. This gives a Catalogue of 4683 Stars for the 

 Epoch 1900, observed by Eliott Smith and prepared for publi- 

 cation by the director. It presents the positions of all stars 

 determined with the meridian circle from January, 1907, to 

 December, 1921. The proper motions of the greater part of the 

 stars were computed in No. 18 ; other stars are those of the Boss 

 preliminary general catalogue. Computations have been made 

 by the Director assisted by Dr. Yowell. It is announced that 

 the next meridian work published by the Observatory will be 

 reduced to 1925. 



The observatory of Krakow has issued an eight-page publi- 

 cation giving the minimos of Algol and RW Tauri in 1922, 

 reduced to the meridian of Greenwich. 



The Annual Report of the U. S. Naval Observatory at "Wash- 

 ington has also been received. 



The National University of La Plata has issued part 2 of vol- 

 ume VI, by Numa Tapica, giving micrometric measurements of 

 double and vicinal stars. From the same source comes a deter- 

 mination of the orbit of the planetoid (796) Saria by Hugo A. 

 Martinez. 



The Hector Observatory at Wellington, New Zealand, pub- 

 lished some time since a reprint (Bulletin 33) on observations of 

 Southern variable stars by C. E. Adams; also a brief method of 

 calculating occultations of stars by the moon by C. J. Westlaxd. 



The observatory at Lyons, France, publishes a Bulletin of 

 which No. 4 for April, 1922 (4th year) has been received (H. 

 Georg, Editeur). The annual subscription is only 12 francs. 



Obituary. 



Professor George Simonds, the English botanist, died on May 

 4 at the age of sixty-nine years. 



Arthur Bacot, entomologist to the Lister Institute, died at 

 Cairo on April 12 as the result of infection contracted when 

 prosecuting investigations on the etiology of typhus. 



Louis Antoine Ranvier, the veteran French histologist, died 

 recently at the age of eighty-seven years. 



Dr. Henry Marion Howe, the distinguished metallurgist, 

 since 1897 professor in Columbia University, died recently at 

 the age of seventy-four years. 



