298 APPENDIX. 



pre-o-per'-cu-lum (Lat. prce, before, and operculum, a covering). 



pre-sphe'-noid (Lat. prce, before, and sphenoid, q.v.). 



pri'-ma-ries (Lat. primus, the first). 



pro-bos'-cis, pi. probos'cides (Gr. pro, before, and boskein, to feed). 



pro-neph'-ros (Gr. pro, before, and nephros, kidney). 



pro-no'-tum (Gr. pro, before, and notos, back). 



pro-6'-tic (Gr. pro, before, and ous, otos, ear). 



pro-ster'-num (Gr. pro, before, and sternon, breast). 



pro-sto'-mi-um (Gr. pro, before, and stoma, mouth). 



pro-tho'-rax (Gr. pro, before, and thorax, thorax). 



pro'-to-plasm (Gr. protos, first, and plasma, form). 



Pro-to-zo'-a (Gr. protos, first, and zoon, animal). 



pro-tract'-or (Lat. pro, forward, and trahere, to draw). 



pro-ven-tric'-u-lus (Lat. pro, forward, and ventriculus, stomach). 



prox'-i-mal (Lat. proximus, nearest), nearest the point of attachment, 

 or nearest the median point or plane. 



pseu-do-po'-di-a (Gr.pseudes, false, and pous, podos, foot), false feet. 



pter-o-stig'-ma (Gr. pteron, a wing, and stigma, a spot). 



pter'-y-goid (Gr. pterux, a wing, and eidos, form). 



pu'-bis, pi. pubes (Lat. pubis). 



pul-mo-cu-ta'-ne-ous (Lat. pulmo, a lung, and Eng. cutaneous, pertaining 

 to the skin). 



pul'-mo-na-ry (Lat. pulmo, lung), pertaining to the lungs. 



pul-vil'-lus, pi. pulvilli (Lat. pulvillus), a little cushion. 



pu'-pa, pi. pupce (Lat. pupa, a doll, a puppet). 



pu'-pil (Lat. pupilla, originally dim. of pupa, a girl), the circular open- 

 ing through the iris. 



py'-gal (Gr. puge, the rump). 



py'-go-style (Gr. puge, rump, and stulos, a pillar or stylet for writing). 



py-lo'-rus (Lat. pylorus, a gatekeeper). 



quad'-rate (Lat. quadratum, quadrangular). 



ra'-di-us, pi. radii (Lat. radius, a staff or rod). 



rad'-u-la, pi. radulce (Lat. radula, a scraper, from radere, to scrape) . 



ra'-mus, pi. rami (Lat. ramus, a branch). 



rec'-tri-ces (pi. of Lat. rectrix, a governess), tail feathers. 



re'-nal (Lat. renes, the kidneys), pertaining to the kidneys. 



Rep-til'-i-a (Lat. reptilis, from, repere, to creep), reptiles. 



re-tract'-or (Lat. re, back, and trahere, to draw). 



re-trorse' (Lat. retro, back, and vertere, to turn). 



rha'-chis (Gr. rachis, a dorsal ridge or spine), shaft. 



ric'-tus (Lat. ringi, rictus, to open wide the mouth), the gape. 



ros'-trum (Lat. rostrum, a beak). 



