29 



TAB. CXVI. 



MACLE or Chiastolite. 



Class 2. Earths. Order 1. Homogeneous. 



Syn. Made Basaltique, &c. De risk, 2. 440. 

 Macles. Daubenton, 16. 

 Chiastolith. Karsten, 28. 

 Made. Haily, 3. 267. 



A black slate holding in it great numbers of spi- 

 nulas of an Echinus spatagus*. Woodward's 

 Catalogue of Fossils, t. 2. 55. 



IVIr. Davey having in the summer of 1804 found this 

 substance on the summit of Mount Skiddaw in Cumber- 

 land, I am indebted to him for the power of adding it to 

 the British list; and we had supposed it entirely new to 

 Great Britain, had not Professor Hailstone assured us that it 

 had not escaped the great, founder of that professorship, 

 Dr. Woodward, who, however, according to the knowledge 

 of his time, considered it as a petrifaction. The same 

 substance is said to have been found in some part of Scot- 

 land. 



We do not know of its being mentioned by any author 

 of the Mineralogy of Scotland, and indeed veiy few of the 

 Mineralogists of the present day have mentioned it. The 

 same sort, and in a similar gangue, has been brought to 

 England from Bayreuth, and another sort has been im- 

 ported occasionally from Lisbon, which are without a 



* We have some Serpulse petrified in marie, whose section much resembles 

 this-, the inside part is round, and the four corners more or less rounded. 

 Found in Norfolk by the Rev. Charles Sutton. 



