PHYSIOLOGY OF INSECTS. 1;}1 



employed by entomologists. All colours seem of 

 two principal kinds, fictitious colours and real 

 colours ; the fictitious colours being black, brown, 

 white, and their compounds ; and the real colours, 

 those displayed by the prism. 



485. Blacks : piceous (piceus), the colour of 

 pitch ; atrous (aier), the colour of liquid ink ; 

 nigrous (niger), the colour of lamp-black ; fuli- 

 ginous {fuliginosus), the colour of soot. 



486. Browns : olivaceous (oUvaceus), the colour 

 of olives ; ferruginous (ferrugineus), the colour of 

 rust ; fuscous (fuscus), the colour of tanned leather ; 

 brunneous (brunneus), the colour of a chestnut ; 

 cinnamoneous (cinvamomeiis), the colour of cinna- 

 mon ; livid (lividus), the colour of liver. 



487. Whites : griseous {griseus), the colour of 

 grey hair ; cinereous (cinereus), the colour of ashes ; 

 albous (aiftMs), the colour of chalk ; niveous {niveus), 

 the colour of snow. 



488. Reds : miniatous (miniatus), the colour of 

 red lead ; testaceous (testaceus), the colour of 

 brick-dust ; rufous (ntfus), the colour of bright 

 copper ; coccineous {coccineus), the colour of the 

 blossom of the horse-shoe geranium : sanguineous 

 (sanguineus), the colour of blood; roseons (rosetcs), 

 the colour of the rose. 



489. Oranges : aurantious (aurantius), the 

 colour of an orange ; croceous (croceus), the 

 colour of the crocus : fulvous (fulvus), the colour 

 of the lion. 



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