Page:First course in biology (IA firstcourseinbio00bailrich).pdf/640

Pinna, P 181.

Pinnate, P 74.

Pinnatifid, P 76.

Pistil, P 135.

Plantain, P 157.

Plant societies, P 9.

Plants, unlikeness of, P 9.

Plastron, A 141.

Pleura, H 76.

Plexus, H 128.

Plumule, P 20, 23, 25.

Plur-annual, P 18.

Pod, P 164.

Poison, H 137.

Pollen, P 135, 144, 180, A 85.

Pollen basket, A 88.

Pollination, P 144, 145;
  artificial, P 153.

Polyp, A 9, 22, 125.

Polypetalous, P 134.

Polysepalous, P 134.

Polytrichum, P 199.

Pome, P 169.

Portal vein, H 105.

Portuguese man-o'-war, A 28.

Posterior curvature of spine, H 37.

Potato, H 92, 95, 112;
  bug, A 90.

Practical questions, H 50, 69, 87, 112, 136.

Primates, A 220.

Primitive man, H 3.

Primrose, P 149.

Proboscis, of butterfly, A 83, 87;
  elephant, A 207.

Prolegs, A 84, 87.

Propagation by buds, P 121.

Prop-roots, P 36.

Protection of birds, A 171.

Protective resemblance, A 34, 146.

Proteid, xi, H 88, 91, 92, 94, 95, 96, 104.

Proterandrous, P 146.

Proterogynous, P 146.

Prothallus, P 178, 202.

Protoplasm, xiv, P 42, 94, 97, 185, A 6, 11, H 5, 6, 59, 106, 118.

Protozoa, A 7, 9, 11, 125.

Pruning, P 105.

Pseud-annual, P 17.

Pseudoneuroptera, A 82.

Pseudopod, A 11.

Pteridophytes, P 181, 201, 203.

Ptyalin, H 100.

Puffball, P 194.

Pulse, H 55.

Pure food law, H 93.

Pylorus, H 103.

Pyxis, P 166.


Quarantine, H 163.

Quarter-sawed, P 70.

Quill, A 156.


Rabbit, A 205, 223.

Radial symmetry, A 34, 125.

Ration, daily, H 94, 96.

Rattlesnake, A 145.

Reaction, H 151, 152.

Receptacle, P 134, 163.

Rectum, A 134, H 97.

Reflex action, H 121.

Regeneration of lost parts, A 37.

Rennin, H 103.

Reproduction, A 12, 15, 20, 25, 37, 46, 120.

Reptiles, A 139.

Respiration, cellular, H 81;
  human, H 70;
  hygiene of, H 80;
  in plants, P 97, 103.

Resting spore, P 184, 185, 189, 191, 192.

Retina, H 151, 152.

Rhizome, P 52, 202.

Rhizopoda, A 16.

Road runner, A 169.

Robin, A 183.

Root cap, P 44.

Root climber, P 129.

Root hairs, P 41, 42, 46.

Rootlet, P 41.

Root pressure, P 99, 104.

Roots, and air, P 41;
  forms of, P 32;
  function, P 38;
  structure, P 38, 43;
  systems, P 32.

Rotifer, A 49.

Round worm, A 49.

Ruminant, A 213.

Rust, P 192.


Salamander, A 134, 138, 139.

Saliva, H 96, 100, 112.

Salt, x, H 93.

Samara, P 164.

Sand, xiii.

Sandworm, A 49.

Sanitary map, H 158.

San José scale, A 95.

Sap, P 67.

Saprophyte, P 107, 108.

Scab in sheep, A 95.

Scales, of bird, A 161;
  fish, A 110;
  moth, A 89.

Scallops, A 104.

Scape, P 161.

Scarab, A 90, 91.