GLOSSARY. 



fat and wax, and bearing a close re- 

 semblance to spermaceti. 



Adipose. Fatty ; as the adipose or cellu- 

 lar membrane, containing the fat in 

 its cells ; the adipose ducts, &c. 



Adnate. Adhering or growing together. 

 Applied to insects, when the under 

 jaws adhere to the lower lip through 

 their whole length. 



Aduncous. Crooked. 



jEneous. Resembling the metallic splen- 

 dor of brass. 



Aerial. Inhabiting or frequenting the 

 air. 



Aeriducts. Respiratory organs, often fo- 

 liaceous, with which the sides of the 

 abdomen, the tail, and sometimes the 

 trunk of aquatic larvae and pupse are 

 often furnished. 



Affinity. That tendency which different 

 species of matter have to unite and 

 combine with certain other bodies, and 

 the power that disposes them to con- 

 tinue in combination. 



Agglutinated. United by some viscous 

 fluid. 



Aigrette. A pointed tuft of feathers. 



Air-bladder. An organ possessed by 

 most fishes, which gives to them the 

 faculty of increasing or diminishing 

 their specific gravity, and assists their 

 powers of locomotion. 



Alee. The wings of birds or insects. 



Alar. Belonging to a wing. 



Alate ; Alated. Winged ; a term applied 

 to the expanded lips of certain shells ; 

 and to the dilated sides of the thorax, 

 &c. in some insects. 



Albinism. The change from a dark color 

 to perfect whiteness, which (from some 

 accidental cause) is occasionally seen 

 in the fur of quadrupeds and in the 

 plumage of birds. 



Albuminous. Consisting of albumen, or 

 the substance which forms the white of 

 an egg. 



Aliform. Shaped like a wing; in form 

 and substance like the membranous 

 wings of insects. 



Alimentary Canal. The great duct or in- 

 testine, in animal bodies, by which the 

 aliment (food) is conveyed through 

 the body, and the useless parts evacu- 

 ated. 



Aliped. A wing-footed animal, or one 

 whose toes are connected by a mem- 

 brane, and serve for wings ; as the 

 bat. 



Alliaceous. Having a scent of garlic. 



Altivolant. Flying high in the air. 



Alula. A little wing. 



Alula spuria. The bastard wing : three 

 or five quill-like feathers, placed at a 

 small joint rising at the middle part of 

 the wing. 



Alveolar. Containing hollow cells or 

 sockets. 



Alveolate. Deeply pitted, so as to re- 

 semble a honeycomb. 



Ambient. When the prothorax (in in- 

 sects) is so large as to receive the 

 whole head. 



Ambitus. The circumference or out- 

 line. 



Ambulacra. The perforated series of 

 plates in the shells of the echinus or 

 sea-urchin. 



Ambulatory. Peculiarly well formed for 

 walking. 



Ametabolic. A term applied to those in- 

 sects which do not undergo any meta- 

 morphosis. 



Amethystine. The purple splendor of the 

 amethyst. 



Amorpha. Insects in which the pupa is 

 unprovided either with a mouth or the 

 organs of locomotion, and bears no re- 

 semblance to the perfect state; in- 

 stanced in Lepidoptera and Diptera. 



Amorphous. Having no determinate 

 form ; devoid of regular form. 



Amphipodal. Having feet adapted both 

 for swimming and walking. 



Amplected. When the head of an insect 

 is received into a sinus of the tho- 

 rax. 



Ampliate. Disproportionately wide at 

 the end. 



Anadromous. A term in ichthyology, to 

 denote such fishes as have their stated 

 periods of going from the fresh water 

 to the salt, and again returning; of 

 which kind is the salmon, and many 

 of the trout family. 



Anal. Pertaining to the anus: the anal 

 fin is that between the vent and the 

 tail. 



Analogue. A part or organ in one ani- 



