Messrs. Say and Ord on Neotoma Floridana. 293 



centibiiSy griseo-annulatis ; alts hyalinis iridescentibus, pteron 

 gosteis dnerascentibus, o .o 



Culex Nicaeensis, Risso MSS, 

 Corporis longitudo 0010. 

 , Habitat in et prope Nice vulgatissimus* 



3. Culex musicus. 

 C, Capfie thorace abdomineque dnereis ; abdomine nigro'punc' 

 tulato ; segmentis omnibus postice lacteo^marginatis ; pedi' 

 bus brunneo -dnereis ; alts hyalinis iridescentibus^ ptero-* 

 gosteis griseis. 

 Culex musicus. Risso MSS, 

 Corporis longitudo 0011. 

 Habitat in Montibus prope Nice rarior. 



This species occasionally enters the houses in Nice itself; its 

 piping noise is by no means unpleasant, but rather agreeable 

 than otherwise, which entitles it to the name given to it by iiiy 

 kind and worthy friend Professor Risso. 



Art. XXXII. A new genus of Mammalia proposed^ 

 and a Description of the Species upon which it is 

 founded. By Mr, T. Say, and Mr, G. Ord.* 



Order. Glires» 

 Genus. Neotoma. 



Natural Character* 



/ i ^ incisores 



V 8 superior i _ , 



Teeth 16 ) ^ ^ "^^^^^^' 



is inferior i ^ incisores 

 ^ (6 molares. 



Molares with profound radicles. 

 Superior Jaw. Indsor even and slightlj rounded on its ante- 

 rior face ijirst Molar with five triangles, one of which is anterior, 

 * From the Journal of the Acad, of Nat. Sc. of Philadelphia. Vol. IV. 



