b EXPLANATION OF TERMS 



Articulate, divided into distinct joints. 



Articulation, joint ; this word is generally used to denote the 

 space between two joints ; articulations are apparent, when 

 their distinction is obvious, and obsolete, when their separa- 

 tions are not, or hardly visible. The Coleoptera have gener- 

 ally eleven articulatious to each antenna, the Hemiptera four 

 to six, the Hymenoptera commonly thirteen in the males and 

 twelve in the females. 



Jlrtus, the members; the instruments of motion, wings, feet, &c. 



Asperous, rugged ; with very distinct elevated dots, more uneven 

 than scabrous. 



Assurgent, rising ; declining at the base, and rising in a curved 

 manner to an erect posture. 



Ater, the deepest black. 



Atomus, a minute dot or point. 



Atropurpureus, dark purplish, almost black. 



Jltrovirens, dark green, approaching blackish. 



Attenuated, growing slender; tapering. 



Aurantiacus, orange colour ; a mixture of yellow and red. See 

 fulvous. 



Aurelia, that state of the imperfect insect which succeeds the 

 larva ; the chrysalis or quiescent state of transformation of an 

 insect, in which it is often inclosed in a separate hard cocoon 

 or follicle. See nympha, pupa. 



Aureus, golden-yellow. 



Auricle, or auricula, an appendage resembling a little ear ; a 

 short membranaceous process, placed laterally on the tongue, 

 it is peculiar to the family Andrenidae ; they are distinguished 

 from the latinise interiores of the Apidae by being usually 

 serrate at tip ; they are the " petites parties en forme de bar- 

 billons" of Degeer ; a depressed, lateral, rounded lobe of the 

 thorax. 



Axillary, placed in the crotch or angle of the origin of two 

 bodies ; arising from the angles of ramification. 



Azure, azure-blue ; nearly the same as cxruleus, but more like 

 ultramarine. 



B. 



Badius, chesnut or liver brown. 



Barb, a kind of spine armed with teeth pointing backwards. 



Barbated, or bearded, (antennae) having tufts or fascicles of hair 



at the articulations ; (abdomen) tufted with hair at the sides 



or tip. 

 Basal, or basilar, relating to the base. 



