GLOSSARY. 



xi 



Crenate or Crenulate, furnished with a series of larger or smaller blunt teeth 



which take the form of segments of small circles. 

 Crepuscular, active during the twilight. 

 Cretaceous, chalky. 

 Cruciform, cross-shaped. 



Cupules, the cup-like organs on the dilated anterior tarsi of certain beetles 



(e. g. Dytiscus). 

 Cupuliform, cup-shaped. 

 Cursorial, adapted for running. 

 Cuspidate, sharply-pointed. 

 Cyaneous, of a dark blue-black colour. 



Cyathiform, cup-shaped (the mouth being wider than in Cupuliform). 



Declivous, gradually sloping. 



Deflexed, bent downwards. 



Dehiscent, gaping apart (usually of the elytra). 



Dentate, toothed. 



Denticulate, furnished with small teeth. These terms are often used very 

 loosely. 



Depressed, flattened as if by pressure from above, as opposed to " compressed.'' 

 Digitate, see Palmate. 



Dimorphic or Dimorphous, presenting two distinct types in the same sex 



(e. g. females of Dytiscus, etc.). 

 Disc, the central portion. 

 Discoidal, pertaining to the disc. 



Divaricate, used of two parts that are approximate at the base and diverge 



very strongly towards the apex (a stronger term than dehiscent). 

 Edentate, without teeth. 

 Kmarginate, notched. 

 Ensiform, sword-shaped. 

 Entire, without excision or emargination. 



Eruciform, maggot- or grub-shaped, of the larvae of certain Coleoptera. 

 Explanate, widened out, expanded. 



Fades, general aspect of a species, genus or group of insects. 



Facets, the lenses or divisions of the eyes. The eyes are said to be coarsely or 



finely facetted according to the number and size of these, 

 Falciform, sickle-shaped. 



Farinose, presenting a mealy appearance, as if powdered 

 Fascia, a coloured band. 



Fasciate (Bifasciate, Trifasciate), furnished with such a band or bands. 

 -ferous, carrying or bearing. 

 Ferruginous, rust-red. 



Filiform, thread-like : of antennas, elongate and of about the same thickness 



throughout, as opposed to setaceous or tapering. 

 Flabellate, fan-shaped, of antennae, with the upper joints prolonged into long 



branches. 

 Foliaceous, leaf-like. 

 Follicle, a little sac or bag. 

 Follicular, made up of such sacs or bags. 

 Fossorial, adapted for digging. 



