INDEX 



94:3 



P If OTOT U E RIA, pro'tother'ia (G. 

 protos, first; Iher, a wild beast) . .'. . 



424, 431, 656, 867 



PUOTOTROPHIC. pro'totro'phik (G. 

 protos, first; Irophe, nourishment), 



definition of 1<H 



PROTOZOA, protozo'a (G. protos, 

 first; zoon, animal )..:... 121, 164, 426 



Amoeba 121 



Behavior of .... 126 



Movement of 122 



Kuglena 127 



Behavior of 129 



Encystment 129 



External features . 127 



Internal features 127 



Locomotion 128 



Nutrition 128 



Reproduction 129" 



Flagellates of Uncertain Position. .. 144 



l-'aramoecium 138 



Pathogenic Protozoa 142 



Plasm-odium Mala fine 130 



Life cycle 131 



How discovered 134 



Summary of Protozoa 147, 156 



PROTRACTOR, prf/trak'tflr (L. pro, 

 before; tractus, drawn out), defini 



tion of 739, 829 



PKOTURA, protu'ra (G. protos, first 



+ ura, a tail ) 422 



An order of Mirientomata. 

 PROVENTRICULUS, proh'ventrick'- 

 yulus) (L. pro, before; venter, 



belly), definition of 276, 745 



J'KOVIVERRA, provive'ra 73 /, 



PROXIMAL, prok'simal (L. proximus, 



nearest) 75 



PSALTERIUM, solte'rium (L. psalte- 



rium, a psalter), definition of 745 



PSEUDOBRANCHS. sii'dobranks (G. 



pseudes, false; branf/chia, gills) . . . .760 

 P X EU DOBR A XOHU8 8TRIATU8, 



strla'tus (L. stria-tus, striped) 650 



PSEUDOPODIA. sii'dopo'dia (G. 

 pseudes, false: poiis. foot), definition 



<>f 172, 215, 219 



PSEUDO-REDUCTION, definition of.. 102 

 PSEUDOTHYROID BODY, su'dothi'- 



roid, definition of 588 



PSYCHOLOGY, sikol'oji (G. psychos, 



the soul -f- logos, discourse) 32, 40 



Animal 172-184 



Functional 175 



Structural 175 



PSYCHOZOIC, slkozo'ik (G. psychus 



-j- zoon, animal ) $94 



PTKRIDOPHYTE8, terld'oflts (G. 



pteris, fern; phyton, plant) . . . .203, 223 

 PTERIS, teris (G. pteris, fern).. . .219 



I'TEROtiRA A CHI ATA, tero'lminkia'tfi 

 (G. pteron, wing -p- brangchia, gills) 



424, 640 



PTEROSAURS, ter'osors (G. pteron, 



wing + saurus, lizard) 651 



PTEROTIC, tero'tik (G. pteron, wing 



+ oys, ear ) 696 



PTERYGOGENEA, ter'igoje'nea (G. 



pteryx, wing ; genos, kind ) . . . . 423, 430 

 FTERYGOI'D, ter'igoid (G. pteryx, 



wing, eidos, resemblance)..?^, 616, 692 

 PTERVGOIDEUS MUSCLES, ter'- 



igoid'eus (G. pteryx + eidos}. 832 



PTERYGOPODIAL GLANDS, ter'igo- 



po'deal (G. pteryx + pous, foot).. 668 

 PTERYGOQUADRATE, ter'igoquahd'- 



rut (G. .pteryx -\- L. .quadratus, 



s(juarod ) 690 



PTERYLA, ter'ila (G. pteron, feather; 



ylc, a wood ) 669 



PUBIS, pu'bis (L. pubes, mature) . . . : 77 



Homologue of 704 



PUBOFEMORAL1S, pubofemoral'is ..829 

 PULEX IRRITAN8, pew'leks ir'ri- 



tahns (L. pulex, a flea) 350 



Senaticcps $50 



PULMONARY CIRCULATION, pull'- 



mownay'ree (L. pulmo, lung) 54 



PULMONATA, pulmona'ta (L. pulmo, 



lung ) 42 1 



PULSATING 93 



PULV1LLUS, pulvil'lus (L. pulmllus, 



a small cushion ) 337 



PUPA, pewpfi (L. pupa, a puppet) . . . 



332, 345, 363 



PUP ARIA, pewpu'rea (L. pupa) 370 



PUPIL, pevvpil (L. pupilla, the pupil 



of the eye), definition of 70, 874 



PURPOSE OF FLOWER 242 



PURPOSITIVENESS 405 



PUMILLA, pusil'la (L. pusillus, very 



little, pretty) .1^9 



I-YCONOGOMORPHA, pikmnronior'fa 



(G. pyknos, thick + yony, the knee 



-f morphe, form ) 422 



An order of Pantopodn. 



PYGAL. pl'gal (G. pyqe, rump) ?0 



PYLORI C CAECA, pllor'ik se'ka (G. 



pyloros, a gate-keeper; L. caecum, 



blind) 747 



PYLORIS, pilor'is (G. pyloros, a gate- 

 keeper) ' 49, 318 



PYLORUS, pyeloh'rus (G. pyloros, 



gate-keeper) 747 



PYORRHEA, pi'ore'fl (G. pyon, pus + 



rhoia, a flow) 141 



PVR AMI DAL, pyram'idsil (L. pyramis, 



a pyramid ) 320 



PYRAMIDS (L. pyramis, a pyramid), 



in spinal cord, definition of . .845 



PYRENOIDS, pi'rgnoids (G. piren, a 



frnit stone), definition of..... 128, 204 



