CLARENCE J. WEST AND CALLIE HULL 11 



Nutrition, bread, and allied topics. C. E. Halstead, Ward Baking Co., 

 New York, N. Y. Entries by author and subject. 1850-date. Ab- 

 stracts frequently included. 90 per cent complete. 



Protein storage in protoplasmic tissue. W. S. Ritchie. Entries by author 

 and title. 1898-1922. Rather complete. For consultation, write 

 C. R. Moulton, 105 Schweitzer Hall, Columbia, Mo. 

 See also Cholesterol (Arnold); Hydrotherapy (Mattill); Proteins (Mattffl). 

 Metallurgy: 



Mining, metallurgy, geology. H. O. Hofman, Massachusetts Institute 

 of Technology, Cambridge, Mass. Hundreds of entries, by author. 

 1885-1920. All leading articles in periodicals. 

 Methanol: 



Charles Baskerville. Incomplete. 2 For consultation, write Library, 



College of the City of New York, New York, N. Y. 

 Mildewproofing: 



See Waterproofing (Fenn). 

 Milk Secretion: 



Biochemistry of milk secretion and related nutritional topics. Edward 

 B. Meigs, Dairy Division, Experiment Station, Beltsville, Md. 550 

 entries, by author. 1850-date. A few abstracts included. No 

 attempt at comoleteness. 

 Mineral Matter: 



See Metabolism (Mattill). 

 Mineral Waters: 



See Metabolism (Mattill). 

 Motor Fuels: 



Motor fuels and petroleum. E. H. Leslie, University of Michigan, 

 Ann Arbor, Mich. Several thousand entries, by author and subject. 

 Up to date. Abstracts included on many of the cards. Literature 

 and patents are covered thoroughly. 

 See also Alcohol (Leslie). 



Naphthalene: 



Homologs of naphthalene. The Barrett Co., 40 Rector St., New York, 

 N. Y. 142 entries, by author and subject. 1869-date. Abstracts 

 included. 

 Naval Stores: 



Naval stores (turpentine and rosin). A. W. Schorger. 5000 entries 

 (572 typewritten pages) by author and subject. Up to 1912. Ab- 

 stracts included. Every available article read and abstracted. Im- 

 portant articles translated or long abstracts made and deposited in 

 files, with file number given in the bibliography. For consultation 

 write Forest Products Laboratory, Madison, Wis. 

 Nitric Acid: 



See Nitrogen Fixation (Zeisberg). 

 0-Nitrobenzaldehyde: 



C. G. King. 1860-1920. Entries by author and names of compounds. 

 American, English, and German abstract journals covered. For 

 consultation, write Library, University of Pittsburgh, Pittsburgh, Pa. 

 Nitrogen Fixation: 



American Cyanamid Co., 511 Fifth Ave., New York, N. Y. Not com- 

 plete. 



Nitrogen fixation, nitric acid manufacturing, nitric acid concentration. 

 Fred C. Zeisberg, E. I. du Pont de Nemours & Company, Wilmington, 

 Del. 1500 entries, by subject. Abstracts included. All U.S. patents 

 and a number of literature references. 75 per cent complete. 

 Production of synthetic nitric acid and synthetic ammonia. Engineering 

 Societies Libraries, New York, N. Y. 837 entries. 1788-1917. Ab- 

 stracts included. 

 Nitro-o-phthalic Acid: 



See Phthalic Acid (Bogert). 

 Nutrition: 



See Metabolism; Proteins (Mattill). 



