Miscellanies. 391 



a report which he intended to read at this session, but was prevented 

 by the interruption of communication between Moscow and Peters- 

 burgh. The 11th volume of the memoirs of the Academy contains 

 some posthumous dissertations of Euler, who, before his death, 

 manifested the desire that the memoirs of the Academy should con- 

 tain some of his works during the forty consecutive years after his 

 decease. They have in fact enriched twenty five of its volumes. 

 In 1823 the term of forty years having expired, there remained in the 

 archives of the Academy some fourteen dissertations of the celebrated 

 mathematician, now published in this 11th volume, conjointly with 

 four dissertations of Schubert and thirteen of Fuss. They have 

 continued the printing of the Species Graminium of Trinius, the 

 work of Krepfer on crystallography, the Mongolian grammar of 

 ScHRiNDT, the Russian translation of the calcul difFerentiel et inte- 

 gral of M. Canchy, by Bouniakovsky- The number of disserta- 

 tions and manuscripts read to the Academy in the 40 sessions it held 

 during the year 1830, amounted to 50. After the statement of M. 

 Fuss was gone through, M. Hess read, in French, a dissertation on 

 Waerthite, a new mineral, discovered in the neighborhood of Peters- 

 burgh ; and afterwards in Russ, the report of M. Henz, on his ex- 

 pedition to Bakoer. M. Fuss, perpetual secretary, read after him, 

 a memoir 011 the population of Russia, prepared by M. Ouvarof, 

 President of the Academy. — Rev. Ency. Fev. 1831. 



4. Antique Medals found near Geneva. — In November last, Dr. 

 Diifresne, in digging at his country seat near Chene, found about one 

 hundred Roman Coins, in bronze, most of which are in perfect pres- 

 ervation. They are nearly all of the Emperors Constantine the 

 Great, Constantine II. Constans, Constant II. Magnentius, Decen- 

 tlus, Valentinian I. One large piece, however, is of Antoninus Pius, 

 and there are two of Marcus Aurelius, in admirable preservation, 

 and a small number of coins of Gallienus and Claude le Gothie. 

 This discovery is remarkable, inasmuch as coins of the Constantine 

 family are very rarely found in this country, all those discovered for 

 many years past being of an anterior date. 



A more interesting discovery was that made one or two years ago, 

 at Bonneville, of a small figure of Cybele in silver, in the finest con- 

 dition. This little statue, very rare, appears to be of the 2d cenrtury. 

 It belongs to the Museum of Geneva. — Bib. Univ. Jan. 183L 



