EXPLANATIONS 



OF 



TERMS USED IN TEXT. 



A, as prefix of a word means wanting, without. 



abbreviated, shortened, not extending to the extremit3' of a given part. 



^bdowea, posterior part of the body (Fig. 21). 



aborted, imperfecth' developed. 



abraded, scraped or rubbed off. 



acuminate, becoming gradually narrower; tapering to a 'point ; a point 



lengthened out. 

 acutely, sharp; sharply pointed. 

 adult, grown up ; sexually mature. 

 adventitious, accidentally; casually acquired. 

 alary (ala, alatus), relating to wings or wing-like parts. 

 ampliate, enlarged; dilated. 

 anal, situated at or near the anus. 



analogue, differing as to structure but of similar function. 

 annulus, annulation, annulate, a colored ring around a bodA'. 

 ante, a prefix meaning before. 



antennae, two jointed sense-organs situated on the head ; feelers (Fig. 21). 

 anterior, anteriorly, near the head; situated more to the front. 

 anus, the posterior opening of the alimentary canal. 

 apex, the terminal poition of any organ or part of the body. 

 aphis, plant-louse. 



apical, apically, applied to a part rising at the tip of a'lbod^-. 

 apodemata, apodema, plates of chitine supporting internal organs. 

 appressed, pressed closely against ; fitting closely to. 

 approxnnate, near to; near together. 

 apterous, wingless. 

 arboreal, living on or among trees. 

 arcuate, arcuation, arched; bowed. 

 area, areola, areolate, wing-cells; cellules; the membraneous spaces between 



the nervures. 

 articulated, divided into distinct joints. 

 auditory organ, car; hearing-organ (Fig. 37, 38). 

 attingent, touching; coming in contact with. 

 axillary, arising from the angles, as axillary vein. 



