ART. 12. CATALOGUE OF HUMAN CRANIA HRDLICKA. 3 



made under his direction and supervision by Mr. Paul Van Natta, 

 aid in the division. The measurements were and will be made with 

 well-tested instruments of best standards, with due care, and accord- 

 ing to the methods of the international agreements with those 

 described in the writer's Anthropometry.^ 



Only the simplest and most helpful calculations will be admitted. 

 Descriptive notes must be reserved for special studies. Annotation 

 will be restricted to a brief enumeration of the plainest deductions. 



It was contemplated at first that the catalogue should contain only 

 measurements of the crania; but the need of furnishing to anthro- 

 pology reliable data also on the rest of the skeletal material is such 

 that it was decided to include those parts also. The data on the 

 crania, however, will take precedence. For the sake of greater 

 serviceability measurements will, in some instances, be added that 

 v.'ere taken by the author on his own and other collections in other 

 institutions, especially the American Museum of Natural History. 



Only one word remains to be said and that is that any further 

 utilization of the National Museum collections comprised in the cata- 

 logue by well-qualified students is invited and will in every possible 

 way be facilitated. 



AleS Hrdlicka. 



June 1, 1923. 



" Octavo, Wistar Institute, Philadelphia. 1921. 



