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



Geology, etc., continued. 

 Weller, S., continued. 

 Paraphorhynchus a new genus of Kinderhook Brachiopoda. 15 : 



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]. 16 : xxvii 

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



Park]. 20: xxvii 

 Language, 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 : xUii. 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 



