General Notes. [December, 



Upn,T Mississippi, 

 that group. 



Geological News.— The Journal of the Cincinnati Society of 

 Natural History contains descriptions of three new species from 

 the Hudson river and Niagara groups, by S. A. Miller; a de- 

 scription of a new species of Bourguetocrinus, by P. De Loriol. 

 of Switzerland, and remarks upon a species of Cristatella, by C. 

 Schlumberger, of Paris, both from the Ripley group of the Cretace- 

 ous, Alabama ; a description of two new crinoids from the shales of 

 the Niagara group, New York, bv K. X. S. Ringueberg, and an 

 article on American Palaeozoic Bryozoa, by E. O. Ulrich. The 

 latter is the first of a series, and contains not only descriptions of 



tass; 1 



ipon the'; 



;!11 ' 





nd ; 





d'n 





ion of the 



!ip< '.' 



iae and Fi: 



t. 1 ; . • 



•id:: 



?, w 1 





aut 





is inclined 



am )'! 



g the Rrvr 



>■/. > i 'ra* 



he: 



• tha 



n amonc 



: tht 



: C< 



elenterata ; 



is a sc 



heme of ( 



la^sific 



ati( 



in of 



• the Ai 



neri 



can 



Pakeozoic 



. 



M. P. de 



Tchih: 



it< 1 



u:f, i 



n a disc 



our. 



,e d 



ielivered at 



jpton, 



combated 

 ds of the 



the i< 



',, 



that 



: the de 



Ts 



s ol 



"Asia and 



d his belief 



: deposits of sand are c 



if a 



.tmo: 



spheric 



orig 



in, 



and are the 



ict of influences acting from the more or less remote geo- 

 il epoch, when the rocks horn which they were formed, and 

 i in many places still pierce through the superficial sand. 



first raised. J. F. Whiteaves (Am. Jour, of Science, Oct.) 



\s the occurrence in the Utica formation of Siphonotrcta 

 i, a spinose brachiopod not before known to occur in North 



-ica, -Mr. W. E. Abbott, in a paper in the Journal of the 



1 Society of New South Wales, refers to and endorses the 

 n of Mr. Russell, that the amount of precipitation over the 

 shed of the Darling exceeds the' evaporation plus the 

 mt carried off bv the river, and that there must theretore be 

 iderground drainage. The fact that wells sunk in the vi- 



izine, Mr. T. V in support of the theory, 



nmded by him in iSf,;, that the submergence of the land 



L from 



durin 



g and after the coi 



iclusion of the \ 



by t ! : 



e weight of the ice 



i upon the elastic 





ig of the centre < 



)f gravity of the 



the u 



eight, according t 



the theory of 



spinii 



3n. account for the 



existence of raise 





ititudes, as at the 



transference of tl 



ies in high north- 

 ht of the ice from 



: north pole to the south, and submergence caused by it would 

 sc as the weight diminished, allowing no time for beache 

 m. A submergence caused by actual sinking of the crust i ^ 

 )erincumbent pressure would, on the contrary return but slow > 



