72 THE NEW METHOD 



half that of galena. Siderite is often found in cryo- 

 lite, and my largest specimen contains some of that 

 mineral. I have a specimen of siderite which is of a 

 much lighter color than the other, and contains some 

 copper and iron pyrite which is in some places irides- 

 cent. The copper pyrite is of a very bright golden 

 color, shading to red in some places. Siderite, when 

 held in the light, sparkles very beautifully, owing to 

 the cleavage faces. 



" It is found in Maine, New Hampshire, Vermont, 

 Pennsylvania, and Ohio, but not in large quantities, 

 it being found most plentifully in Connecticut and in 



f 



Greenland. It is also found in England, Germany, 

 Austria and Russia." 



The Strombus Meeanostoma. 



' ' The Strombus melanostoma is a very beautiful 

 shell. It resembles the Strombus pugilis somewhat 

 in shape, but it is narrower in proportion to the 

 length than that shell, or any other kind of Strombus 

 we have studied. It is found on the shores of the 

 Andaman and Nicobar islands and in all the places 

 where the Conus striatus is found. The best market- 

 places for this shell are at Calcutta, Colombo, and 

 Bombay. There are only sixty-five different species 

 of Strombus in the world. 



" The Strombus melanostoma is about three inches 



