GLOSSARY OF TECHNICALiTERMS. 



Obtuse, blunt at the extremity. 



Ocellus, an eye-like spot on the wing 

 consisting of one or more rings of different 

 colours with a central spot. 



OcHREOUS or OcHRACEOUS, a pale dull 

 yellow, (^oo^po?, pale yellow). 



Olivaceous, olive coloured, or dark brownish 

 green, (^SlTva, an olive). 



Oral, at or pertaining to the mouth {os, oris, 

 the mouth). 



OsMETERiA, scent-glands, (o(r]U,)j, a smell, a 

 scent). 



Ovate, shaped like an egg, with one end 

 broader than the other, {ovum, an egg). 



Oviparous, egg bearing, {pvtitn, an egg ; 

 parto, I bring forth). 



Pagina, the surface of a wing ; upper or 

 under, {pagina, a page). 



Palpi, appendages of the maxillse and labium ; 

 those of the latter or " labial palpi " are 

 largely developed in butterflies. See p. 9 

 and PI. I. 



Papilla, applied to the minute leaf-like 

 projections at the end of the proboscis, 

 (papilla, a nipple). 



Parenchyma, soft cellular tissue, {trupa, 

 beside ; eyKsn/, ^o pour in). 



Paronychia, appendages to the claw found 

 in certain genera of butterflies ; more or 

 less triangular in form, membranaceous, 

 hairy, sometimes so broad as almost to 

 conceal the claw, sometimes narrow and 

 almost linear, {Trocpu, beside; ovu^, the 

 nail). 



Patagia, shoulder-plates, attached to the 

 thorax just above the base of the fore- 

 wings, {pdtdgium, the edging on a Roman 

 lady's tunic). See p. 10. 



Patch, a large marking or extent of any 

 colour. 



Pectoral Legs, the forelegs of a cater- 

 pillar. See p. 8, {pectus, the breast). 



Peduncle, a stem or stalk, {pMiinciilus, 



diminutive of pes, a foot). 

 Pellucid, transparent. 

 Piceous, pitchy, pitch-black, {pueusy made of 



pitch). 



Pilose, hairy, {pltlus, a hair). 



Plumose, softly feathery, {pluma,^. small soft 



feather ; the downy part of a feather). 

 POLYGONEUTIC, having several broods in the 



course of a year, (ttoAwj, many; yovoj, 



a begetting). 

 PORRECT, projected forwards, as opposed to 



erect, {porrecUis, stretched out, extended). 

 Posterior Angle, the hinder angle of the 



forewing. See p. 1 1 and PL I. 

 Posterior Margin, the outer margin of 



the wing, or that furthest from the body. 



See p. II. 

 Pr^^discoidal Cell, a small space at base 



of hindwing, closed by a slender nervule 



connecting the costal and subcostal ner- 



vures. See p. 1 1. 

 Precostal Nervure, a short nervure at the 



base of the hindwing. See p. 11, 

 Primary, or Primaries, a term used by 



some authors to express the forewing. 

 Proboscis, a trunk or snout. See Pl. I, 

 Process, a protuberance, or projecting part. 

 Produced, lengthened out, elongated. 

 Prolegs, the fleshy hindlegs of caterpillars 



See p. 8. 

 Prothoracic, at or pertaining to the pro- 

 thorax. 

 Prothorax, the front segment of the thorax 



nearest the head. See p- 10. 

 PterygOdes. See " Teguls," and p. 10, 



(TTTspv^, a wing ; eiSoj, shape). 

 Pubescent, downy, finely hairy. 

 PULVILLUS, an appendage to the base of the 



claws, sometimes elongate and jointed, 



sometimes minute, and often wanting alto- 

 gether, {Pulvillus, a little cushion). 

 Pupa, a chrysalis. 

 Pupil, a spot in the central part of an 



ocellus. 

 Pyriform, pear-shaped, (pyruin or pi turn, a 



pear). 

 Quadrate, squared, shaped like a square, 



(tjuadrum, a square). 

 Radial, a term applied to the discoidal ner« 



vules. See p. 11 and Pl. i. 

 Recumbent, reclining, settled down. 



