300 GRISMOLOGY. 
belts of a different colour. — Ex. Abdomen of many 
Nomada {Apis *. b. K.). 
57. Decolorate [Decolor). When the colour appears 
to be discharged from any part. — Ex. Margin of 
the Abdominal segments in Stelis punctulatissima 
Latr. {Apis ** c. 1. /3. K.). 
58. Unicolorate (Unicolor). When a surface is of 
one colour. 
59. Concolorate {Concolor). Of the same colour with 
another part. If speaking of Lepidoptera, when 
the upper and under sides of the wings are of the 
same colour. — Ex. Hesperia Linea, Paniscus. 
60. Discolorate (Discolor). Of a different colour from 
another part. When the upper and under sides 
of the wings of Lepidoptera are of a different co- 
lour. — Ex. Polyommatus Corydon, Argiolus, &c. 
61. Versicolorate (Versicolor). When a surface 
changes its colour as the light varies. — Ex. Apa- 
tura Iris c? . 
62. Iridescent (Iricolor). When a surface reflects the 
colours of the rainbow. — Ex. Mesothorax of Xylo- 
copa iricolor. Wings of Hymenoptera, &c. 
63. Infuscate (Infuscata). When a colour is darkened 
by the superinduction of a brownish shade or 
cloud. — Ex. Apex of the Upper Wings of Cossus 
ligniperda. 
ix. DISTINCTION. 
1. Distinct (Distincta). When spots, puncta, gra- 
nules, &c. do not touch or run into each other, 
but are completely separate. — Ex. Under side of 
Wings of Lyca?na Hippothoc. 
