CONTENTS 

 Originai, Papers 



Page 

 Apparatus. — ^An apparatus for growing crystals under controlled conditions. 

 J. C. HoSTETTER »5 



Crystallography. — ^X-ray analysis and the assignment of crystals to symmetry 

 classes. Alfred E. H. Tutton 94 



Crystallography. — ^Reply to Dr. Tutton's discussion of the assignment of 

 crystals to symmetry classes. Edgar T. Wherry 99 



Abstracts 



Physics 103 



Inorganic Chemistry 103 



Geology 104 



Mineralogy 104 



Volcanology 105 



Entomology 105 



Anthropology 106 



Apparatus '. 106 



Proceedings 



Washington Academy of Sciences 107 



Geological Society . 107 



Washington Society of Engineers no 



Scientific Notes and News 112 



