24 NEW \()RK STATE MUSEUM 



June 2(). Two microseisms of which the heginniiigs arc uncer- 

 tain. The records of June 17 and Jul}- 3 are hkewise of this class. 



7///v ^>. riie time indicated for the he^innino- may really beloni^ 

 to the second i)relinnnaries. Xorth-south component the stronger. 



August 4. An eartlK|uake of consideral)le intensity, showing 

 only a slight movement in east- west direction. It had the appear- 

 ance of a West Indian disturbance, but may have been submarine. 

 The origin was about 2000 miles away. 



August II. Smaller but otherwise very similar to the shock of 

 August 4. 



September 22^. Slight oscillations gradually increasing to a maxi- 

 mum and traveling along the meridian. 



MINERALOGY 



The work of the section of mineralogy has progressed along sev- 

 eral lines. 



In addition to short papers published during the year the work 

 of investigating the recent mineral occurrences of New York city 

 and vicinity has been inaugurated. 



The card catalog of new crystal forms of minerals, mentioned in 

 the last report, has now been published under the title " A List of 

 New Crystal Forms of Minerals." ^ 



This list, which includes 364 forms, recorded since the publica- 

 tion of Goldschmidt's " Index der Krystallformen der Mineralien," 

 divided among 251 mineral species, is now rendered available to 

 investigators in mineral crystallography. 



There have been added to tlie collections several suites of mineral 

 specimens, of wdiich the most important are : 



1 A series representing the more recent Canadian occurrences. 

 This was acquired by exchange w^ith the University of Toronto 

 and contains notably a well-crystallized specimen of barite from 

 Two Islands, Nova Scotia ; a large and handsome specimen of 

 kermesite, in well-defined crystalline aggregates on stibnite, from 

 West Gore, Nova Scotia ; fine representative specimens of native 

 silver, niccolite, erythrite and smaltite from Cobalt, Ontario ; and 

 a small but characteristic specimen of the recently described occur- 

 rence of pyromorphite from Moyie, British Columbia. 



2 Among the rare mineral specimens from Norway and 

 Sweden, presented to the museum l)y the Assistant State Geologist, 



^ School of Mines Quarterly, 19 10. 31 1320. 



