Classified List of Papers and Notes in Vols. XI-XX. 335 



Geology, etc., continued. 



Weller, S. , continued. 



Paraphorhynchus a new genus of Kinderhook Brachiopoda. 16 : 



259-264. pi. 1 



Wheeler, H. A. [Occurrence, near Hematite, Mo., of granite boul- 

 ders]. 12 : xxiii 



[The Mexican volcano Colima]. 13 : xxxviii 



Whelpley, H. M. [The Mammoth Cave of Kentucky]. 15 : xxvii 

 Wilson, M. E. [Some geological features in the Yellowstone National 

 Park]. 20 : xxvii 

 Lang:uase. folk-lore. etc. 



Abbott, J. F. [The Japanese language and the development of its 



written system]. 16 : cxv 

 Andrews, L. M. [Phonetics and Bell's system of visible speech]. 

 16 : exxiii 

 Machinery. — See Engineering. 

 Manufactures. — See Engineering. 

 Mathematics. 



Chessin, A. S. On some relations between Bessel functions of the 



first and of the second kind. 12 : 99-108 

 Engler, E. A. Figurate numbers. 20 : 37-57. xxvii 

 Nipher, F. E. [Discontinuities in the evolution of the trotting horse]. 



14 : xxxiii 



On the predetermination of the speed of the trotting horse. 13 : 



69-75 



[The curve of speed of the trotting horse]. 13 : xlii 



Poats, T. G. Isogonic transformation. 11 : 41-50 



Woodward, C. M. [A mathematical analysis on the throws of dice]. 



15 : xxxix 



[An easy method of determining the length of a generation]. 



11 : xxix 

 Medicine, sanitation. 



Alt, A. [What is a cataract?]. 13 : xliv 

 Barck, C. [The history of spectacles]. 14 : xxxviii 

 Brown, O. H. [The problems of tuberculosis]. 17 : xxvi 

 Goldstein, M. A. [The oto-projectoscope]. 16 : cxxiv 



[The uses of the tuning fork as a means of medical diagnosis]. 



12 : xxviii 



Grindon, J. [The protection against disease afforded by certain sub- 

 stances in the blood]. 18 : Iv 



Kirchner, W. C. G. Bacteriological examination of river water. 

 14 : xliii. 15 : 265-298. fig. 1 



Snodgrass, C. A. [Bacteria and their work]. 14 :xxxvi 



Whelpley, H. M. [Progress in the study and development of medical 

 remedies]. 15 : xxix 



Wixford, J. F. [Purification of our city water supply]. 15 : xxix 

 Meteorites. — See Mineralogy. 

 Meteorology. 



Bowie, E. H. [Predetermination of paths of centers of cyclonic 

 areas]. 16 : cxxii 



