398 



INDEX 



oyster drill, 105 

 oysters, 102, 105, no 



pain, 305 



palp, 3, 76 



pancreas, 250, 251, 281, 282 



Pandorina, 331, 333 



paper nautilus, 105 



Paramoecium 141-144, 331, 332 



parasites, 124-129, 144, 364, 366 



parasitism, 96, 364-366 



Parkes, Dr., 311 



parthenogenesis, 35, 36, 333 



Pasteur, L., 149, 319, 327 



patella, 291 



patent medicines, 330 



Peabody, J. E., 316 



pearls, 101, 102 



pebrine, 149 



Peckham, G. W., 64 



Pecten, 102 



pectoral arch, 160 



pectoral fins, 158 



pedal ganglia, 101 



pedicellariae, no 



pelvic arch, 160, 176 



pelvic fins, 158 



pelvis, 290 



pepsin, 238, 249 



peptone, 249 



perch, 158, 167 



pericardium, 88, 100 



Perissodactyla, 220 



phagocytes, 326 



phalanges, 290, 291 



pharynx, 116, 118, 154, 272 



Phasmidae, 19 



phosphorus, 236, 238 



phrenology, 302, 303 



Phylloxera, 36 



phylum, 1 8, 19 



Physa, 104 



physical changes, 232 



physics, 233 



physiology, 232 



pig, 220 



pigeon, 301, 357, 358 



pill bugs, 94 



pineal gland, 346 



Pinnipedia, 224 



Pithecanthropus erectus, 355 



placenta, 214, 335 



plague, 49, 50 



planarians, 124 



PJanorbis, 104 



plant lice, 35, 36 



plasma, 259 



Plasmodium, 148 



pleura, 273 



pleurisy, 274 



pluteus, 113 



pneumonia, 314 



poison gland, 76 



pollen basket, 59 



pollen combs, 59 



polyp, 136-138 



pond skaters, 34 



porcupines, 209, 216 



Porifera, 139 



portal vein, 266 



Portuguese man-of-war, 135, 136 



potassium, 234, 236, 238 



prawns, 90 



Primates, 227-230 



Proboscidea, 220 



proglottids, 126, 127 



pro-legs, 21 



propolis, 62 



prostomium, 114 



protective resemblance, 25, 363, 



3 6 4 

 proteins, 237, 238, 249, 251, 252, 



253, 2 55 

 Proteus, 170 

 pro thorax, 4 

 protoplasm, 238, 252 

 Protozoa, 141-152, 317, 331 



