Cel 34 



as the anterior basal transverse vein ; and the 

 third belongs to the second section of the 

 posterior part of the wing, a}id joins the posterior 

 basal transverse vein. (Loew.) (L.) 



Cellulae costales. — The cells belonging to the first 

 or costal section of the wing. (Loew.) (L.) 



Cellula discoidalis.— The discoidal or discal cell 

 of the wing, belonging to the first section of the 

 posterior part of the wing, and extending from 

 the anterior basal transverse vein to the posterior 

 transverse, and bearing on its anterior margin 

 a small transverse vein. (Loe^\'.) (L.) 



CellulsB marginales. — The cells belonging to the 

 second or marginal section of the wing. (Loew.) 

 (L.) 



Cellulae posteriores. — The posterior cells, belonging 

 to the two first sections of the posterior part 

 of the wing. (L.) 



Cellulae spuriae. — The false cells, belonging to the 

 third section of the posterior part of the wing ; 

 they are not usually completely separated from 

 each other. (L.) 



Cellulae submarginales. — The cells belonging to the 

 third or submarginal section of the wing. (Loew.) 

 (L.) 



Cellulae ternatae. — Another term for the basal cells. 

 (L.) 



Central Body. — The only single or unpaired organ 

 of the brain. A median commissural system 

 (Deitl.). It ig formed of a very fine and close 



