52 Report of the President 



There has been published under the auspices of the 



department in the Bulletin of the Museum an article by Miss 



_ , Eleanora F. Bliss entitled " Glaucophane from 



Research 



Eastern Pennsylvania," a portion of the research 



for which was carried on in the Museum. Miss Bliss has given 



to the department the series of rocks used in the preparation 



of her paper. 



MINERALS 

 DEPARTMENT OF MINERALOGY 



L. P. Gratacap, Curator 



The collection of minerals has grown during the past year 

 principally by purchases and exchanges, and the indispensable 

 assistance of the Bruce Fund is again gratefully acknowledged. 

 The additions thus made comprise 178 specimens and 165 

 species, generally possessing a distinctively mineralogical im- 

 portance. 



A few deserve special mention: The superb black velvety 

 and soft bronzy Cupro-Descloizites from Bisbee, Arizona; an 

 interesting and selected suite of Delafossite, from the same 

 prolific source ; a magnificent crystallized mass of Hopeite 

 (phosphate of zinc) from South Africa, a surprising illustration 

 of the unsuspected mineral wealth yet to be discovered in this 

 region, with its adjoining territory of Madagascar, already 

 famous for its mineral wonders; a remarkable group of large 

 Molybdite crystals from Queensland, Australia ; a notable series 

 of Zeolites of extreme beauty, from Great Notch, N. J., and 

 a crystallized Gold from Baker County, Oregon. 



An addition of serious educational value, installed this 

 year in the Morgan Hall (northeast alcove), is the series of 

 wooden models showing, in enlargement, the crystallographic 

 habit of representative minerals. This embraces 580 models, 

 each one described in a printed label, with its faces marked 

 for identification. 



Practically all the additions have been exhibited. In this 

 connection it is worth while to call attention to the very valu- 

 able uses of the accession case at the entrance of the 

 Morgan Hall. 



