APPENDIX II. 189 



Obsolete, wholly wanting, or scarcely discoverable. 



Obtuse, blunt at extremity. 



Ocellated spot, vide "Ocellus." 



Ocellus, an eye-like spot or marking. (Also used to designate the simple 

 or non-compound eyes situate on the forehead of some insects.) 



Ochreous, the colour of ochre> a mixture of yellow and brown. 



Olivaceous, the colour of olives, a mixture of green and brown. 



Ovate, egg-shaped. 



Palpi, small jointed organs attached to head. Vide " Labial palpi " and 

 Plate I. 



Patagia, minute appendages of the pro-thorax. Vide Introduction. 



Patch, a large blotch. 



Pilose, clothed with short, fine hair or down. 



Proboscis, vide " Haustellum." 



Process, an abrupt projection of considerable length. 



Produced, elongated, lengthened outwardly. 



Production, an elongation. Vide "Process." 



Pro-legs, the temporary, fleshy legs of Caterpillars. Vide Introduction. 



Prothorax, first or front ring of Thorax. 



Pterygodes, shoulder-pieces, covering bases of fore-wings. Vide Intro- 

 duction. 



Pubescent, finely hairy. 



Pupa, the second state of an insect, the chrysalis. Vide Introduction. 



Pupillate, containing a central dot or pupil. 



Quadrate, square. 



Recwved, bent or curved backwards. 



Retrctctile, capable of being withdrawn or contracted after exsertion. 



Scutellum, a small triangular portion of meso-thorax. Vide Introduction. 



Segments, the great rings composing the body. Vide " Annulations " 

 and Plate I. 



Series, a row or line. 



Shot, glossed with a surface-colour visible in certain lights. 



Sinuate, waved. 



Spatulate, roundly-widened at extremity. 



Species, a distinct kind or sort o animal, comprising individuals pre- 

 sumed to have descended from the same original parents. 



Spinneret, a small perforated organ through which the Caterpillar emits 

 its silk. Vide Introduction. 



Spiracles, breathing-pores. Vide Introduction. 



Sternum, the breast or lower portion of Thorax. 



Streak, a thin stripe of varying width. 



Stria, vide" Streak." 



Striated, marked with striae, streaked. 



Sub-, in composition with other words, indicates that the term must be 

 considered in a modified sense it is equivalent to rather; thus, 

 sub-lunular, sub-ovate, mean rather or somewhat lunular or egg- 

 shaped. 



Subcostal, a little below costa. 



Submedian, below the longitudinal middle line of wing. 



Suffused, clouded or obscured, tinged. 



Synonyms, different names given to the same species. 



Tail, a long projection on hind-margin of hind- wing. (Also a designation 

 of the anal extremity of the body.) Vide Plate I. 



Tarsus-, the fifth joint of leg, the foot. Vide Plate I. 



Tegulce, vide "Pterygodes." 



