Messrs. Say and Ord on Neotoma Floridana. 293 



. ■ centibus, griseo-annulatis ; alls hyalinis iridescentibus, ptero- 



gosieis cinerascentihus. 

 , Culex Nicaeensis, Risso MSS. 



Corporis longitude 0010. 

 'Habitat in et prope Nice vulgatissimus. 



3. Culex musicus. 

 C. Capite thorace abdomineque cinereis / abdomine nigro-punc- 

 tulato ; segmentis omnibus postice lacteo-marginatis ; pedi- 

 bus brunneo-dnereis ; alts hyalinis iridescentibus, pteror 

 gosteis griseis. 

 -■ Ctilex musicus. Risso MSS, 

 Corporis longitude 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 my 

 kind and worthy friend Professor Risso. 



Art. XXXIT. 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 > - , 

 Teeth 16 } ^ ^ "^^'^""^^ 



is inferior < ^ »"c^sores 

 ^ ^6 molares. 



Molares with profound radicles. 

 Superior Jaw. Incisor even and slightly rounded on its ante- 

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

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



