302 ANNUAL RECORD OF SCIENCE AND INDUSTRY. 



sented by Huxley ; but Professor Marsh thinks that this with 

 the American horse was more direct and the record more 

 complete. The natural sequence of the descending order 

 would be Orohippus, of the eocene; MioMppus and Anchi- 

 therium, of the miocene ; Anchippus, Hipparion, Protohippus, 

 and Pliohip>pus, of the pliocene ; and Equus, quaternary and 

 recent. 4 D, March, 1874, 247. 



NEW ZEUGLODON IN FRANCE. 



Delfortrie has lately announced the occurrence of Zeuglodon 

 in the Faluns, in the southwest of France, and remarks upon 

 the interest attaching to this fact. The zeuglodon has been 

 hitherto supposed to be confined to America, the representa- 

 tive of the same group of fossil cetaceans in Europe being the 

 genus Squalodon. The species is described as Zeuglodon vas- 

 canum, Delfortrie, and has the same crenulation of the edges 

 found in the rest of the family. 



It will be remembered by our geological readers that the 

 far-famed Hydrarchos, or supposed sea-serpent, of Koch, dis- 

 covered by him in the Mississippi valley, and mounted so as 

 to represent an animal one hundred feet in length, after being- 

 considered for a time as a reptile, was ultimately shown to 

 be a Zeuglodon, and to belong to the family of cetaceans. 

 1 B, February, 1874, 297. 



NEW SKELETON OF THE MEGATHERIUM IN THE JARDIN DES 



PLANT ES. 



The French scientific journals express much gratification 

 at the recent introduction into the museum of the Jardin des 

 Plantes of the most complete skeleton of the megatherium 

 yet known. This was obtained many years ago by Mr. Se- 

 guin, a French collector, in South America; but it is only 

 recently that it has been cleaned from its matrix, and placed 

 where it can be examined. 



A writer in Nature informs us that this skeleton forms the 

 fifth of all that are known to public museums one in Mad- 

 rid, the second in London, the third in Buenos Ayres, and the 

 fourth, a very imperfect one, in the Normal School of Paris. 



These have all been found in the pampas of the Argentine 

 Confederation or in Paraguay, principally upon the banks of 

 the Rio de la Plata. The specimen now introduced to the 



