402 



Miscellanies. 



cies, and not the hexagonal prism, as has generally been supposed. A 

 few specimens have been found striated longitudinally like ordinary crys- 

 tals of the species. 



The accompanying figures represent three of the best specimens I have 

 obtained of the natural size. 



P : a = 134° 36' 

 P : e = 149 40 

 M : a = 127 44 



A single attempt at analysis has been made, but without obtaining re- 

 sults in any respect peculiar ; a more critical analysis is desirable. 



Tlie first specimens of this mineral were discovered in the winter of 

 1837-8. They occur in a vein of feldspar which traverses one of the 

 gneiss quarries on the east side of the Connecticut river, nearly opposite 

 the Congregational meeting house* at Old Haddam. 



Specimens continued to be found, though not very plentifully, for two 

 years or more, but none as I can learn have been found for a year past ; 

 and the best ones are now held very high by the workmen of the quarries. 

 Wesleyan University, May, 1840. 



T cannot learn that any more specimens have been discovered since the 

 above date. — Jan. 7, 1841. 



4. Meteorology. — We invite the attention of our readers and corres- 

 pondents to a project for generalizing the history of meteoric phenomena, 

 and invite their communications, in compliance with the request of our 

 correspondent, Mons. Morin, engineer of bridges and causeways, and 

 correspondent of the meteorological society of London, who dates from 

 Veroul, 220 miles N. E. of Paris. 



As you have been so kind as to view with a favorable eye my meteor- 

 ological undertaking, I have the honor to solicit you to engage the rea- 



* Within six or eight rods of this house is the chrysoberyl lonality, at which 

 several other minerals are also found, as the columbite, automolite, zircon, &c. 



