iM 



GL088AET. 



Those Ungulates with an un- 

 eveu number of toes, as the 

 horse. 



Pe-ei-to-ne'iim {Qr.peri, around; 

 ieino, I stretch). The mem- 

 brane lining the abdominal 

 walls and covering the enclosed 

 viscera. 



Per-i-vis'cb-ral (Gr. peri, 

 around; Lat. riscera, the inter- 

 nal organs, especially of the 

 abdominal cavity). The bodj'- 

 cavity containing the alimen- 

 tary canal with its outgrowths. 



Pha-ryn'ge-al. Relating to the 

 pharynx. 



PnY-LOG'B-NY (Gr. plmlon, stem ; 

 gene, birth). The development 

 by evnhition of the members of 

 a genus, family, order, class, or 

 the animal kingdom as a whole. 



Pi'cE-ons. Pitchy; the color of 

 pitch; shining reddish black. 



Pi'lose. Clothed with pile, or 

 dense short down. 



Plan'h-la. The two - layered 

 embryo of Cadeuterates. 



Pla-ttp'te-ra (Gr. plattis, flat ; 

 pteron). The order of insects 

 represented by the white ants, 

 Psocidffi and PerlidEe. 



PIjEx'us (Lat. a knot). Applied 

 to a kTiot-like mass of nerves 

 or blood-vessels. 



Pol-lex. The thumb or inner- 

 most digit of the hand or fore- 

 foot. 



PoL'T-riDE or Pol'y-pite. The 

 separate animals of a Hydro- 

 zoon. 



Prb'o-kal. In front of the 

 mouth. 



Proo'ess. a projection; used 

 chiefly in osteology. 



Pro-cce'lous (Gr. pro, front; 

 koilos, hollow). Those verte- 

 brae concave or hollow in front. 



Proc-to-d,b'um. The primitive 

 hind gut, or rectum. 



Pko-tom'a-l^. The second pair 

 of head-appendages in JMyrio- 

 poda. 



Pro'to PLASM (Gr. xii'otos, first; 

 plasma, from plas.io, I mould). 

 The albuminous, elementary 

 matter formiug cells and the 

 bodj'-substance of Protozoa. 



Pkox'i MAL (Lat. proxiimis, next). 

 The fixed end of a limb, bone, 

 or appendage; that nearest the 

 body; opposed to distal, the 

 farther end. 



Pseu-do-po'di-a (Gr. psetides, 

 false; pedes, feet). Tlie tem- 

 porary processes sent out from 

 the bodies of Protozoa. 



Pter op'o-D.\ (Gr. pteron, wing; 

 poiis.podos, foot). A class of 

 pelagic mollusks. 



Pu-bes'cent. Coated with very 

 fine hairs. 



Punctured. Marked with nu- 

 merous small impressed dots. 



Pu'PA (Lat. a doll). The third 

 or usually cjuiescent, chrysalis 

 stage of insects. 



Py-lo'rus. The valve between 

 the stomach and intestine. 



Rat'i-t.e (Lat. ratis, a raft). A 

 division of birds with a keel 

 less, raft- or punt-like sternum. 



Rhab'di-tes. Tlie blade-bke ele- 

 ments of the sling and oviposi- 

 tor of insects. 



Riii-zo'po DA (Gr. riza, root; 

 pons, podos, foot). The root 

 footed Protozoa. 



