Coa 42 



Coarctate. — (Pup?e). (L. co, and arcto). See 

 Pupae obtectse. 



Cocardes. — Retractile vesicular bodies on each side 

 of the stethidium of insects of the genus 

 Alalachius. 



Coccineus. — Scarlet ; a bright or pale red colour. 

 The colour of the blossom of the geranium. 

 (L. of a scarlet colour.) 



Cochineal. — ^A valuable dye from an insect found in 

 Mexico (cocinilidaj). Red. (L. coccinus.) 



Cochleate. — Twisted spirally like a screw. (L. 

 cochlea, a snail or spiral screw.) 



Cocoon. — The protecting case formed by the larva 

 for the situation of its pupa. (Kirby.) (F. 

 cocon.) See Incunabulum. 



Coeca, also Caeca — Small purses or minor stomachs 

 thrown off from the principal one. (L. caecx s, 

 blind.) See Stomach. 



Cceloconic sensillse. — Club-like sense hairs which lie 

 horizontally and which are more or less enclosed 

 in an elongated cavity in the chitinous integu- 

 ment. Both the shape and cellular structure 

 of the hair is essentially the same as the basiconic 

 sensillae, the difierence being the basiconic are 

 vpright, while the cceloconic are horizontally 

 placed on the surface. (Berlese.) (From Gr. 

 Jcoilia, the belly, and konos, a cone.) 



Coenogonous. — Oviparous at one season of the year, 

 and ovoviviparous at another. 



Col. — A Latin prefix. See Con. 



