156 Miscellaneous Facts arid Observations. 



reason to believe, that any species of these Bursaceous 

 genera has existed in Europe, within the memory of 

 any of the present races of its human inhabitants. 

 The period, then, of the existence of the Parisian 

 Didelphis must, in all probability, be referred to a 

 very remote era in the history of the earth. 



Editor. 



2. The Editor of this Journal has made very consi- 

 derable progress in his anatomical and physiological 

 inquiries concerning the Common Opossum of North- 

 America, to which he has given the name of Didel- 

 phis Woapink* ; Woapink being one of its Indian 

 appellations. He designs to publish his inqui- 

 ries in two distinct memoirs, which will be embel- 

 lished, and rendered more useful, by a number of 

 fine engravings, representing the progressive evolU' 

 tion of the parts of the embryon and fetal opossums ; 

 besides engravings of the male and female organs of 

 generation, &c. An abstract of the second memoir, 

 which is restricted to the marsupial and dorsal gesta- 

 tion of this singular animal, has been transmitted to 

 Mr. Roume, of Paris, by whom, it is probable, it will 

 be published. 



In the course of his inquiries, many important cir- 

 cumstances respecting the natural history of the opos- 



• I'he Vii-ginhm Opossum of Pennnnt : Didelphis Virginicus 

 of Shaw. 



