GLOSSARY. 1 



Abnormal. Deviating from the usual type. 



Accessory subcostal vein. The vein given off from the subcosta, and 



branching towards the apex of the wing. 

 Acuminate. Furnished with a produced point. 

 Adult. The fully matured state of an insect. 

 Anal angle. The posterior interior corner of a wing. 

 Anal space. The area at the posterior base of the hind wings, which 



folds together when the wings are at rest, as in most Phryganese, &c. 

 Anastomosis. The thickened point of juncture of nervules. 

 Angulose. Constituting an angle or angles. 

 Annulated. Ringed ; furnished with ring-like bands. 

 Annulus. A ring ; a narrow, encircling band. 

 Antecubital. Pertaining to th& space between the base of the wing and 



the nodus. 

 Antehumeral. Pertaining to the space immediately before the origin of 



the wings. 

 Antennae. Two articulated feelers placed superiorly upon the head. 

 Anteocular. In front of the eyes. 

 Anterior. Before ; forward part. 

 Anteriorly. Forwardly ; in front. 

 Anus. The vent, or fundament. 



Apex. The extremity, or smaller end opposite to the base. 

 Apical. Pertaining to the apex. 



Apical sector. One of the longitudinal veins of the apex of a wing. 

 Approximated. Placed near ; close together. 

 Arcuated. Curved, as a bow. 

 Article, or Articulation. A joint; or segment between two transverse 



sutures. 

 Areolate. Furnished with small areas. 

 Auricle. A small ear, or ear-like process. 

 Auriculated. Furnished with auricles. 

 Basal. Pertaining to the base. 



1 This Glossary has been prepared by Mr. Uhler, at the request of the Smithsonian 

 Institution, with the view of furnishing an explanation of the technical terms employed 

 in the present work. 



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