187() INDIANA COLEOPTERA. 



Obscure. — Not readily seen: not well iletined. 

 Obsolete. — Nearly or entirely lost; ineonspicnous. 



Obtiiftr. — Not pointed: an angle greater than a right angle; opposed to acute. 

 Ociiimt. — That part of the head behind the vertex. 

 OecUus. — A simple eye, consisting of a single convex or bead-like lens. 

 Oiiuiiroroiis. — A general feeder upon animal or vegetable food, or both. 

 Opaque. — Without lustre; not transparent. 

 Orbicular. — Round and tiat. 



Outer manjiu. — The outer edge of wing, between apex and hind angle. 

 Oripositor. — The tubular or valved structure by means of which the eggs 

 are placed; usually concealed. 



I'alpi. — Plural of palpus. 



I'lilpu.s. — A mouth feeler; tactile, usually jointed structures borne by the 

 maxillfe (maxillary palpi) and labium ( labial palpi). 



I'cctiiiate. — Comb-shaped; with even branches like the teeth of a cumb. 



I'cn ultimate. — Next to the last. 



I'crfoliatr. — Divided into leaf-like plates; applied to antenn;e with disk-like 

 expansions connected by a stalk passing nearly through their centers. 



Perpcinlicuhir. — Upright; at right angles to hin-izontal. 



I'ersisteut. — Remaining constantly; always present. 



Phosphorenceiit,. — Shining or glowing in the dark, like plKisphorns. 



Piceous. — Pitchy black. 



Pilose. — Clothed with down, or dense [lile; with long, sparse hair. 



Plane. — Level, flat; applied to a surface. 



Plicate. — Plaited; folded like a fan. 



Pluri. — Used as a prefix, means many. 



Pol 11. — Many. much. 



Pore. — Any small, round o])ening on the surface. 



Posterior. — Hinder or hindmost: opposed to anterior. 



Pre-apical. — P>efore the apex. 



Predaceous. — Ai)])lied to insects that live by preying upon other organisms. 



I'reheiisiou. — Structures titled for grasping or holding. 



Process. — A prolongation of the snrfaci'. margin or an apitendage. 



Produced. — Drawn out; prolonged; extended from. 



Prolnuged. — Extended or lengthened beyond ordinary limits. 



Pmuiineut. — Raised or produced beyond the level or murgin : standing out 

 in relief by color or otherwise: conspicuous. 



Proiiotioii. — The upper or dorsal surface of thorax. 



Prop!/(/iiliui)i. — The dorsal segment or tergite in front of the i)ygidium, some- 

 times left exposed in Coleoptera. 



Prasteriial. — Belonging to the prosternum. 



Prostvrual i/roores. — Occur laterally in some beetles to receive the antenna'. 



ProstcriKil lobe. — In some Coleoptera an anterior prolongation of the pro- 

 sternum which more or less conceals the mouth from below. 



Prosltrual npine. — The curved s]iine which extends backward into a meso- 

 sterual cavity. 



Prostcnial suture. — That suture of protliorax which separates the sternun) 

 from the plem-al pieces. 



Prostcnnnii. — Tlie fore-bi-east ; tlie sclerite between the fore legs. 



