940 



INDEX 



Three higher groupings 215 



Yauchena 207 



PLANULA, plfm'ula (L. planus, flat) .254 

 PLASMA, BLOOD, plas'ma (G. plasma, 



something formed), definition of... 62 

 PLASMODIUM IHMACULATUM 

 LAVERANIA, plazmo'deum imfiku- 

 lat'um laveran'Ia (G. plasma, a 



moulded figure + eidos, form) 



Malariae 130 



Vivax 133 



PLASMOGAMY, plasmog'amy (G. 

 plasma, a mould -+- gamos, mar- 

 riage), definition of 147 



PLASMOSOMES, plas'mosoms (G. 



plasma + soma, body), definition of. 91 

 PLASTIDS, plas'tids (G. plastos, 



formed) 89, 92, 181? 



PLASTIDULES, plast'iduls (G. plastos, 



formed [diminutive ending] ) 91 



PLASTOCHONDRIA, plast'okon'drea 



(G. plastos + chondros, cartilage) . 91 

 PLASTOCONTS, plas'toconts ( G. 



plastos, formed) 91 



PLASTOSOMES, plast'osoms (G. plas- 

 tos -f- soma) 91 



PLASTRON, plas'tron (F. plastron, a 



breast plate) .1102, 719 



PLATEMY8 683 



PLATO, pla'to 376 



PLATOPHRY8 LUNATUS, plat'ofris 



(G. platys, flat + ophris, brow)...6'^5 

 PLATYHELMINTHES, plat'yhelmin'- 

 thez (G. platys, flat + helmins, a 



worm) 265, 285, 427 



PLATYHELMINTHES AND NEMA- 

 THELMIN THES, plat'ihelmin'thez 

 (G. platys, flat -j- helmins, a worm) 



285, 311 



Flat worms 285 



Turbellaria 285 



Excretory system 280 



External appearance 280 



Muscular system 287 



Nervous system 287 



Regeneration 288 



Reproductive system 287 



Trematoda 289 



Infections by 291 



Life cycle of 289 



Cestoda 293 



Eggs of 301 



Infections by 295 



Life cycle of 293 



Types of .%* 



"Nematoda (threadworms) 298 



Ascaris 299 



Digestive system 300 



Eggs of 301 



Excretory system 300 



Infections by 302 



Intermediate and Uncertain Forms 



..306 



Nervous system .300 



Parasitic '. 303, 305 



Reproductive svstem . .300 



PLATYRRHINE, plat/inn (G. platys, 



flat + rhis, nose) . 659 



PLATYSMA MYOIDES, platis'ma (G. 



platysma, a flat piece) 832 



PLECOPTERA, plekop'tera (G. plekein 



twisted + pteron, wing) 423 



An order of Persoidea. 

 PLECTOGNATHI, plektog'nathi (G. 



plektos, plaited -f~ gnathos, jaw) . . .04") 

 PLECTOPTERA, plektop'tera (G. 



plekein -f- pteron) 423 



An order of Ephemeroidea. 

 PLEROME, pler'om (G. pleroma, a fill- 

 ing up ) 228 



PLESI08AURS, ple'siosars (G. plesios, 



near -4- sauros, lizard) 651 



PLEURA, plew'rah (G. pleura, rib, 



side) 315 



PLEURAL REGION 536 



PLEURITES 336 



PLEUROBRANCHS, plor'obranks (G. 



pleura, a side + brarigchia, gills) . .321 

 PLEUROCOOCUS, pliiro'kok'us (G. 



pleura; L. coccus, a berry) 18i> 



PLEURODIRA, plorodi'ra (G. pleura, 



a side -}- deire, the neck ) 652 



PLEURODONT, plu'rodfmt (G. pleura 



+ odontos, a tooth ) 733 



PLEXUS, pleks'us (L. intern -caving) . 07 

 Choroid, kor'oid (G. chorion, skin 

 -f eidos, resemblance) ... .512, 57 / 



Nerve (58 



PLICA SEMILUNARIS, plik'asemilu- 

 nfiris (L. plica, a fold + semilunaris, 

 half-moon shaped ) 875 



PLICAE 40 



F i m b r i a t a e ( L. fimbriatus, 



fringed) 741 



PLINY THE ELDER 370 



PLUMAE, plum'ay (L. pluma, a 



feather) 670 



PLUMULAE, plew'miulee (L. little 



feather), definition of 070 



PNEUMATOPHORE, numat'ofor (G. 



pneuma, air + phcrein, to 'hear) . . . .2J.7 

 PNEUMOGASTRIC, nfimogas'trik (G. 



pneuma -f- L. gaster, stomach ) . . 68, 885 

 PODICAL PLATE, pod'ikl (L. podex, 



rump) , definition of 337 



PODIUM, po'deum ( G. po-u-s, foot ) , 



definition of 708 



PODOBRANCHS, po'dobranks (G. . 



pous + brangchia, gills), definition 



of ....321 



PODOPHYRA, podo'fira (G. pous, 



foot + phyro, to mix) 1 55 



