Geology and Mineralogy. 295 



nd ultimately was <1 mined, 

 a pear swamp and afterward a* meadow. 



The author reported the finding of teeth of a mastodon in 

 : * ; in-' "!■•- :ii distant intervals, out at sea off" Long Branch; 

 and the taking of a tusk and other bones from an ancient buried 

 swamp about fifteen miles south of Long Branch, the swamp hav- 

 ing been recently uncovered during a severe storm from the sea. 

 He presented these facts as new evidence of a recent subsidence 

 of the New Jersey const, and as proof that the mastodon was liv- 

 1 " '-;" in tlie region after the appearance of the modern beaver. The 

 teeth and tusks were in a bad state of preservation, and crumbled 

 to pieces on reaching the air. 



■">. Xiir Fossil Marsupials. — Prof. E. D. Cope, in the American 

 Namralist for August, adds three to the two species of kangaroo- 

 ''!<•' iiKiiMipials which he has described from the Eocene of Pu- 

 •''''■", Nvw Mexico, and for one of them the new genus, Polymas- 

 ; '"/', i* iiKtitut-.l. The specie are /'. 'hr,\, „*;*, Citopsalis pol- 

 /'".'•, /'til, ,/„s Trui'rrssin-thtinis (after Dr. E. L. Trouessart of 

 Angers). He also describes from the same beds Haploconus ento- 

 '■<>"»* and //. GiUia,,,,*. 



0. Fossil C,u;,U»fth< .Yi<t>/<n'>t «:,<! r rr rr lhhhrherq Groups, 

 1'V.Tamks Ham., iiopp. Kvo. Published in advance o'f the An- 

 "'"il l;«;p : r! of the Stat- Museum of Natural History. August, 



i new species of the 



cietv of N. S. Walei 

 ey on the Darling, 

 the observations < 



I to be independent of v 



