802 



PKIMORDIAL. Existing from the beginning. 



PRISMOIDAL. Having more than four sides, 

 and whose horizontal section is a polygon. 



PROBOSCIDIFORM. Applied to any elongated 

 appendange about the head. 



PROBOSCIS. The name given to the flexible 

 muscular tube, or prehensile organ formed 

 by the prolongation of the nose, as is seen 

 in the elephant. It is also an entomologi- 

 cal term : the proboscis of insects being 

 used by some to suck the juice from plants, 

 and by others to suck the blood from ani- 

 mals. 



PJBOCESS. Series of motions or changes in 

 growth, decay, &c. in physical bodies ; as, 

 the process of decomposition. It is also 

 used to denote any natural appendage or 

 adnascent part of an animal for which 

 there is no definite name. 



PROCREATE. To engender and produce. 



PROCREATIVE. Having the power to beget. 



PKODUCTED. Disproportionately long. 



PROGENY. Descendants of the human kind, 

 or of animals in general. 



PROJECTILE. A body impelled forward by 

 force. 



PROLAPSE. To fall down or out. 



PROLEGS. The wart-like tubercles which 

 represent legs on the hinder segment of 

 caterpillars. 



PRONE. When an object lies upon its belly. 



PRONOTUM. The upper surface of the pro- 

 thorax. 



PROPODEON. The fifth seement in insects. 



PROPEDES. The forelegs of insects. 



PROSTERNUM. The under surface of the 

 protltorax. 



PROSTRATE. Lying with the body extended 

 on the ground or other surface. 



PROTELUM. The eleventh segment in in- 

 sects. 



PROTHORAX. The first of the three segments 

 which constitute the thorax in insects. 



PROTRUDED. Thrust forward or out. 



PROTUBERANCE. Anything swelled or 

 pushed beyond the surrounding surface ; 

 as, a swelling or protuberance on any part 

 of the body. 



PEUINOSE. When the splendour of the sur- 

 face is somewhat obscured by the appear- 

 ance of a bloom upon it, like that of a plum, 

 but which cannot be detached. 



PRURIGIXOUS. Having tendency to itch. 



PSEUDO-MORPHOUS. Not having the true 

 form. 



PSYCHICAL. Relating to the phenomena of 

 the soul, and to analogous phenomena in 

 the lower animals. 



PTEROPODOUS. Pertaining to the Pteropoda, 

 an order of the class Mollusca whose organs 

 of locomotion consist of a pair of wiiig- 

 shaped fins. 



PUBERTY. The age at which animals are ca- 

 pable of procreating and bearing young. 



PUBESCENT. Covered with very fine decum- 

 bent short hair?. 



PULMOGRADE. The tribe of Medusae which 

 swim by contractions of the pulmonary 

 disc. 



PULMONARY. Pertaining to the lungs ; af- 

 fecting the lungs. 



PULMONATA. The order of Gasteropods that 

 breathe by lungs. 



PULVEROUS. PULVERULENT. Consisting of 

 dust or powder. 



PULVILLI. The soft cushions on the under 

 surface of the joints of the tarsus in some 

 insects. 



PULVINATE. When in consequence of the I 

 prothorax being depressed in one place, it j 

 seems to puff out in another. 



PULVJNULI. A soft ball which some insects 

 have at the end of the tarsi. 



PUNCTATE. PUNCTATED. Full of small 

 holes, or beset with many points. 



PUNCTO-STRIATED. When the longitudinal 

 impressed Hues are punctured. 



PUNCTULATED. When the surface has the 

 appearance of having been thickly punc- 

 tured with a pointed instrument, but which 

 has only made impressions on it. 



PUNCTURED. Pierced with a sharp point. 



PUPA. An insect in the second stage of its 

 metamorphosis. It is synonymous with 

 aureiia or chrysalis, words formerly in 

 more general use than they are at lire- 

 sent. 



PUPIL. A little aperture in the middle of 

 the iris and uea of the eye, through which 

 the rays of light pass to the crystalline 

 humour, to be painted on the retina. The 

 central spot on the ocelliis in the wings of 

 many Lepidoptera. It is called a hastate 

 pupil when the pupil is a halbert-shaped 

 spot, and a si/ffulatcd pupil when the pupil 

 shades into another colour. 



PUPIPAROUS. Pertaining to injects which 

 bring forth their young in the pupa state. 



PUPIVOROUS. Feeding on the larvaa and 

 chrysalids of insects. 



PURPLE. A colour composed of red and blue 

 blended. 



PURPURESCENT. Inclining to a purple co- 

 lour. 



PURULENT. Consisting of or resembling pus 

 or matter. 



PUTRKSCENT. Pertaining to the process of 

 putrefaction. 



PYLORUS. The aperture which leads from 

 the stomach to the intestine. 



PYRAMIDAL. Whose vertical section is tri- 

 angular, and horizontal quadrangular. 



PYHIFORM, Pear-shaped. 



QUADRATE. To agree or correspond with. 

 Square. Quadrilateral with the sides 

 equal and the angles Hf/lit angles. 



QUADRENNIAL. Occurring once in four years. 



QUADKIARTICULATE. Consisting of four 

 joints. 



QUADRIDENTAL. Having four teeth. 



QUADRIFID. Cleft in four parts. 



QUADRIPARTITE. Consisting of four corre- 

 sponding parts. 



QUADRUPLICATED. Having four plaits or 

 folds. 



QUADRIVALVULAR. Having four valves. 



QUADRUMANWJS. Having four hands. 



QUADRUPED. Having four legs and feet. An 

 animal having four legs and feet, as a 

 horse, a lion, &c. 



QUARRY. In falconry, the game which a 

 hawk is pursuing or has killed. Among 

 hunters, a part of the entrails of the beast 

 taken, given to the hounds. 



QUIESCENT. Being in a state of repose. 



