. The Dental cosmos. after the pay and allowances appertaining tothat rank. In order to perfect all necessary arrange-ments for the examination, applications mustbe in the possession of the Surgeon-general atleast two weeks before the date of examina-tion. Early attention is therefore enjoinedupon all intending applicants. There are atpresent twenty-nine vacancies to be filled. United States patents PERTAINING OR AP PMC ABLE TO DENTISTRY ISSUED DURING DECEMBER 1911. December 1,010,890, to Harry B. Gregory. Toothfor bridge work and crown work. December 12. No. 1,011,239, to Oscar H. Piepe


. The Dental cosmos. after the pay and allowances appertaining tothat rank. In order to perfect all necessary arrange-ments for the examination, applications mustbe in the possession of the Surgeon-general atleast two weeks before the date of examina-tion. Early attention is therefore enjoinedupon all intending applicants. There are atpresent twenty-nine vacancies to be filled. United States patents PERTAINING OR AP PMC ABLE TO DENTISTRY ISSUED DURING DECEMBER 1911. December 1,010,890, to Harry B. Gregory. Toothfor bridge work and crown work. December 12. No. 1,011,239, to Oscar H. Pieper and A. Dental engine. No. 1,011,240, to Oscar H. Pieper and A. Electrical controlling appara-tus. No. 1,011,597, to Bernard Fischler. Den-tists soldering tool. December 19. No. 1,012,401, to PlERCY B. MCCULLOUGH. Dental swaging apparatus. December 26. No. 1,012,613, to Wm. P. DeWitt, Salivaejector. No. 1,013,028, to Thacker E. Lee. Invest-ment cup. No. 1,013,089, to Edgar G. Hubbel. DR. GEORGE G. MILLIKEN THE Dental Cosmos Vol. LIV. MARCH 1912. No. 3. ORIGINAL COMMUNICATIONS. (I.) A GROUP OF DEFORMITIES OF THE NASAL RESPIRATORYTRACT, COINCIDENT WITH DENTAL IRREGULARITIES. (II.) A NEW INSTRUMENT FOR COMPARATIVEMEASUREMENTS, Demonstrating Changes in Nasal Fossae when Readjusting the Maxillary Arch. By GEO. H. WRIGHT, , Boston, Mass., LECTURER ON ORAL HYGIENE, HARVARD DENTAL SCHOOL; ASSISTANT IN LARYNGOLOGY,HARVARD MEDICAL SCHOOL; ASSISTANT TO PHYSICIANS. NOSE AND THROATDEPARTMENT, MASSACHUSETTS GENERAL HOSPITAL. (Read before Section III of the National Dental Association, at its annual meeting,Cleveland, Ohio, July 27, 1911.) ACONTRIBUTION in the DentalCosmos for June 1911, entitled AStudy of the Maxillary Sutures,constitutes a basis for study of the under-lying and fundamental bones involvedin maxillary readjustment, and a briefsynopsis of that paper at this time willnot be out of place as an introductionto a better understanding of the


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentist, bookyear1912