376 Analytical Syriopsis of the Order of Squali. 



6. Heterodontes (Philippii). 



7. Carcharinus (Commersonii). 



8. Cestrorhinus (zygajna). 



9. Cetorhinus (Gunneri). 



9. — In the following year Cuvier, in his Kegne Animal, pro- 

 posed the ensuing division. 



I. Les Squales (Squalus L.). 



Les Roussettes (Scyllium Cuv,). ' 



Squales proprement dits. 



Especes sans events^ pourvues cfune anale. 



Les Requins (Carcliarias Cuv.). 



Les Lamies ou Tonilles (Lamna Cuv.). 



Les Marteaux (Zygaena Cuv.). 



Especes reunissant des events ct une anale. 



Les Milandres (Galeus Cuv.). 



Les Emissoles (Mustelus Cuv.). 



Les Grisets (Notidanus Cuv.). 



Les Pelerins (Selache Cuv.). 



Les Cestracions (Cestracion Cuv.). 

 • Especes sans anale, mats pourvue d' events. 



Les Aiguillats (Spinax Cuv.). 



Les Humantins (Centrina Cuv.). 



Les Leiches (Scymnus Cuv.). 

 n. Les Anges (Squatina Duraer.). 



Fonr of the genera thus proposed are adopted in the following 

 analytical synopsis, although by some, all of them have been 

 regarded as synonyms of previously established ones. They 

 are Lamna {Isurus E-af.), Mustelus {Galeorhinus Bl.), Spinax 

 {Acanthorhinus BL), and Scymnus {Dalatias Gray). 



10. — In 1829, in the fourth edition of the Regne Animal, 

 Cuvier rather modified than improved his classification of the 

 Squali by the elevation of Zygcena to full generic rank, and its 

 interposition between Squalus and Squatina. 



I 



