GLOSSARY. 



Alee. — Wings. 



A late. — Winged. 



Alula. — Small membranous appendage to the base of the hinder edge of 



the wings oi Diptera (two-winged flies). 

 AntcnncB. — "Horns" or " cranial feelers " placed in front of the head; 



various in form, sometimes thread-like, and longer than the insect ; 



elbowed ; with a club of leaves ; also saw-like, feathery, and many 



other forms ; in butterflies somewhat like pins. 

 A2:)terous. — Without wings. 

 Cauda. — Tail. 

 Caudal 2Jro-legs. — Sucker-feet attached to the tail-segment of many kinds 



of larvce. 

 Chrysalis. — A term applied to the pupal stage, when inactive, of various 



msects, chiefly butterflies and moths. 

 Clypcus. — Portion of the front of the face above the ujiper lip. 

 Cocoon. — A case, formed of silk or other materials, by various kinds of 



larvce, commonly for protection whilst they change io pupce. 

 Coxa. — The hip ; the first chief division of the legs of perfect insects, 



between the thorax and the thigh or femur. 

 Elytra. — Horny wing-cases — term commonly ai^plied to the upper wings 



of beetles. 

 Eyes, compound. — The common form placed on each side of the head, 



and composed of a large number of separate eyes or lenses placed 



side by side. 

 Eyes, simple, — Ocelli; minute single eyes placed on the crown of the 



head. 

 Feelers. — Palpi; small appendages on the lower jaws and lower lip. 

 Femur, plm-al Femora. — Thigh ; second chief division of the leg. 

 Halteres. — Poisers ; short appendages, often club-like, or like slender 



pins, to be found in two-winged flies, taking place of the absent 



hind wings. 

 Haustellum. — Term applied to different _kinds of insect-mouths formed 



for suction. 

 Horns. — AntenncB ; organs of various shape placed on front of head. 

 Imago. — Insect in perfectly-developed stage, as butterfly, fly, beetle, &c. 

 Labium. — Lower lip. 

 Lahrum. — Upper lip ; this is placed vertically over the lower lip, with 



the two i)airs of jaws placed horizontally between the two lips. 

 Larva. — First active stage of insect-life, as caterpillar, maggot, &c. 

 Legs. — In the perfect insect, formed of four chief pieces, — hip [coxa), 



thigh {femur), shank [tibia), and foot (tarsus), — with a small piece, 



called the trochanter, between the hip and thigh. In larvaj, short 



legs of various forms, and sucker feet, or pro-legs. 

 Mandibles. — Upper jaws, placed horizontally opposite each other beneath 



the upper lip. 

 Maxillce. — Lower jaws, placed similarly to the above, just below the 



"mandibles," and furnished with feelers; thence called feeler-jaws, 

 Maxillary palpi. — Feelers on the lower jaws. 



