GLOSSARY. 



Acute : sharp or pointed. 



Alimentary : pertaining to food. 



Antenna (plural antenna) : a jointed, movable tentacle or feeler on 



the head of certain Crustacea and insects. 

 Anterior : front, going before. 

 Aquatic : living or growing in water. 

 Assimilated: turned to its own substance by digestion. 



Beak : the lengthened end or front. 



Bi: in compound words, meaning two. 



Bifid: two-parted. 



Bosses : knobs, protuberances, usually rounded. 



Branchial : relating to gills or branchiae. 



Carapace : the firm shell of some Infusoria, Rotifers, etc. 



Carnivorous : flesh-eating. 



Caudal : pertaining to the tail. 



Cellular : formed of or possessing cells. 



Chlorophyl : the green coloring matter of plants. 



Cilium (plural cilia) : a short, fine, vibrating hair. 



Caecum (plural caeca) : a part of the intestinal tube. 



Colony : a cluster of several or many. 



Comminution: the act of pulverizing or grinding. 



Component : composing ; an elementary part. 



Concave : hollow like a bowl. 



Conical : cone-shaped. 



Conjunction : union, association. 



Constricted: suddenly narrowed or contracted. 



Contractile : capable of being shortened or drawn together. 



Cordate : heart-shaped. 



