402 Bibliographical NoticeSk\ 



A similar variation is to be observed in the family Pteriadav 

 in Malleus, Baphia, Ptei-ia and Margantiphora, the cartilage is 

 in a single central triangular pit ; in Crenatula it is divided into 

 several portions, each placed in a separate marginal pit ; and in 

 Melina it is placed in numerous marginal pits which form cross 

 grooves on the talus of the thickened hinge-margin. 

 [To be continued.] 



BIBLIOGRAPHICAL NOTICES. 



Revue et Magasin de Zoologie. Par M. F. E. Guerin-Meneville. 



Nos. 4-6, April-June 1852. Paris, Svo. 



I. Zoological Miscellanies : — Notices and observations on some 

 Vertebrata new to the Fauna of Provence, by M. Z. Gerbe (IV. 

 pp. 161-174). 



These consist of — 



1 . Notice on Certhia Costce, Bailly, giving an accovmt of the oc- 

 currence of this bird in the " Basses Alpes," together with a descrip- 

 tion of the bird, and a statement of the points in which it diifers from 

 C. familiar is ; this paper is accompanied by a plate (pi. 8) showing 

 the characters of the two birds. 



2. Observations on Strix Tengmalmi, Gmel., stating that this bird 

 is common m the momitains of Provence. 



II. Note on a new European species of Hippola'is, by M. Z. Gerbe 

 (pp. 1/4-175). Of this bird M. Gerbe gives the following cha- 

 racter : — . 



Hippola'is pallida. H. supra palhde griseo-olivacea, subtus ex 

 albo flavescens ; oculorum ambitu superciliisque sordide flavescen- 

 tibus ; remigmn secundus sexto bre\ior ; rectricibus duabus utriuque 

 extimis margine interno albidis. 



Colore et conformatione cum H. elcsica convenit ; ab ilia autem 

 discrepat magnitudine, qua earn antecelht, longitudine rostri, alarum, 

 caudse, remigumque proportione. — Hab. in Hispania. 



III. Descriptions of three species of Rodentia belonging to the 

 genus Arvicola (VI. pp. 257-270). This portion of the paper con- 

 tains only the description of one species {A. leucura), the character of 

 which was pubhshed in the last Number of the 'Annals.' A coloured 

 figure of this animal is given on pi. 1 ] of the present volume of the 

 ' Re\Tie et Magasin de Zoologie.' 



IV. Monograph of the family of Torpedinidce, &c., by M. Aug. 

 Dumeril (IV. pp. 176-189 ; V. pp. 227-244 ; and VI. pp. 270-285). 



The author commences by observing that but few animals are fur- 

 nished with an apparatus for the production of electrical phaenomena, 

 and that these are all fishes. Those in which the existence of these 

 organs has been ascertained are the fishes forming the family Torpe- 

 dinid<B, of which M. Dumeril here describes seventeen species, the 



