Dor 66 



Dorsolum. — Ihat portion of the superior surface 

 which lies between the collare and scuteUum, 

 upon which are found, the pteropega. (L. from 

 dorsum, the back.) 



Dorsum. — The inner margin of a wing. (L.) 

 Dorsum. — Tlie back, or upper part of the body. 

 (L.) 



Double ocellus. — When two eyes of colour are in- 

 ckided in the same circle or spot. (L. duo, 

 two, and j^^^'s, or plenus, full, from pleo, to fill, 

 and ocellus, a little eye.) 



Ductus ejaculatorius. — The ejaculatory duct. (L.) 



E. — A form of ex. (See Ex.) 



Ecailles. — The term Lacaze Duthier gives to the 

 sting darts and sheath of the family Dasygastrse 

 or Gastrilegides, when they are prolonged 

 laterally into curved sclerites. 



Ecalcarate. — ^Without a spur, or horn. (L. e=^ex, 

 without, and calcar, a spur.) 



Ecaudate, Excaudate. — (Wing.) Destitute of tail- 

 like processes. (L. e, without, andcauda, a tail.) 



Ecdysis. — The casting of the skin ; moulting. 

 (Gr. eJcduo, to strip off.) 



Echinate. — When the dispersed elevations rise very 

 high and are very thin. (From Gr. echinos, a 

 hedgehog.) See Muricate. 



Echinatus. — When the surface is covered with 

 pustules produced into spines. (Gr. echinos.) 

 See Muricate. 



