258 
Journal of Asiatic Society of Bengal. No. 3. 1859. 8vo.~— ■ 
From the Society. 
Proceedings of the Academy of Natural Sciences of Philadelphia. 
1859. 8 70 . — From the Academy. 
Extinct Vertebrata from the Judith Biver, and Great Lignite For- 
mations of Nebraska. By Joseph Leidy, M.D. Philadelphia. 
1859. 4to . — From the Author. 
A Memoir on the Extinct Sloth Tribe of North America. By 
Joseph Leidy, M.D. 4to . — From the Author . 
The Ancient Fauna of Nebraska. By Joseph Leidy, M.D. 4to.— 
From the Author. 
Descriptions of some Bemains of Fishes from the Carboniferous and 
Devonian Formations of the United States. By Joseph Leidy, 
M.D. Philadelphia. 1856. 4to . — From the Author. 
Journal of the Academy of Natural Sciences of Philadelphia. 1859. 
4to . — From the Academy. 
Observations on the Genus Unio. By Isaac Lea, LL.D. Vol. 
VII., Part I. Philadelphia. 4to . — From the Author. 
Lever’s Year-Book and Bailway and Mining Almanac. Manches- 
ter. 1860. 8 vo. 
Proceedings of Horticultural Society of London. No. 7. 1859. 
8vo . — From the Society. 
Monday , Moth January 1860. 
LORD NEAVES, V.P., in the Chair. 
The following Communications were read 
1. Suggested Explanation of Messrs Carrington and Hodgson’s 
recently observed Solar Phenomenon. By Professor C. 
Piazzi Smyth. 
The Boyal Society of Edinburgh having been the arena wherein 
Professor W. Thomson first described his calculations and admirable 
extensions of Mr Waterston’s meteoro-dynamic theory of solar light 
and heat, I beg leave to call the attention of the same learned 
Society to an apparent instance of confirmation which that theory 
appears to me to have received, by a phenomenon of very unique 
character, recently observed in an independent and most satisfactory 
