Bibliography. 309 
Besides it would often interfere with the rule of priority, which requires 
synonyms, when they exist, to be adopted for sectional names, But he 
strongly commends the rule, that the etymology of names should al- 
ways be stated by the proposer. 
Justly does Mr. Agassiz condemn the practice of those who change 
the authority of a genus, when they extend or narrow its bounds, 
We have received contain the following papers, by Dr. Ruprecht, viz: 
1. Flores Samojedorum Cisuralensium, pp. 67, with six folio lithographic 
of the Ural mountains. They are particularly interesting for compar 
‘son with the arctic and subarctic vegetation of our own continent. 
When the ampler collections of Middendorf, who has largely explored 
the country of the Siberian Samoieds, come to be published, and which 
may be said to be pretty well known. For the Linnzean Arenaria pe- 
Ploides, Ruprecht has restored the forgotten name of Ammadenia, con- 
nearly twenty years anterior to the uneuphoneous name of Honckenya 
of Ebrhart, Though it were to be wished, that Ehrhart had adopted 
this name, it is now too late to revive it.—2. Distributio Cryploga- 
Vascularium in Imperio Rossico, pp. 56. An interesting tract, 
It seems that the Siberian specimens of the Linnean Asplenium rhizo- 
Phyllum, belong to a new species of Camplosorus ; and also that Bo- 
vehi. 
nes consimiles.” Our author has also a good revision of Woodsia.— 
3. In Historiam Stirpium Flore Petropolitane Diatribe (pp. 98) ; 
® critical enumeration of the plants which grow around St. Petersburg ; 
with a historical and interesting geographico-botanical preface. Botry- 
chium simplex of Hitchcock, published in this Journal, or a plant ex- 
tremely near it, has been detected near St. Petersburg. A. Gr. 
