420 



INDEX AND GLOSS AEr 



Pil'ens {Gr. a felt cap), Mushroom, 



802, 305. 

 Pin'na, pi. pinnae, dim. pinnule (i. a 



wing), Fern, 321, 331. 

 Pistil, Flowers, 374. 

 Plant Cell, Morphology and Physiol- 

 ogy, 28. 

 Plants, Unicellular, 28 ; Multicel- 

 lular, 46. 

 Pleurobran'chia, pi. pleurobranchiae 



i^Gr. the side, gills). Lobster, 150. 

 Podobran'chia, pi. podobranchisB ( Gr. 



foot, gills), Lobster, 150. 

 Pollen Grains, 48; germination of, 50. 

 Pollen-sacs, Flowers, 373. 

 Pond Scum, 51. See Water Silk. 

 Pond Snail, 192. 

 Primordial utricle. Green Felt, 269; 



Water Silk, 55. 

 Proteids, Seeds, 346. 

 Pro'teds { Gr. a mythological sea-god 



who could assume different shapes). 



Animalcule, 6; physiology, 8; 



structure, 7. 

 Prothallium (i. before thallus). Fern, 



333. 

 Protococ'cus {Gr. first berry), 39. 



See Green Slime. 

 Pro'toplasm (Gr. first moulded), 5; 



Starfish egg, 117; Yeast, 30. 

 Protozo'a (ffr. first animals), 3. 

 Pseudopo'dium, pi. pseudopodia {Gr. 



false foot), Proteus Animalcule, 7. 

 Pte'ris {Gr. a feather), 320. See 



Fern. 

 Pylo'rus {Gr. a gate). Frog, 231. 

 Pyre'noids {Gr. the stone of a fruit, 



form). Water Silk, 65. 



R 



Ra'chis ((?)•. a rib of a leaf). Fern, 



321, 329. 

 Ra'na {L. a frog), 203. See Frog. 

 Receptacle, Flowers, 371. 

 Regeneration of lost portions of body. 



Starfish, 115. 



Reproduction, Amoeba, 10 ; Slipper 

 Animalcule, 17; Starfish, 115; 

 Yeast, 38. 



Reproductive organs. Starfish, 108 ; 

 Stonewort, 275 ; system. Earth- 

 worm, 133 ; Lobster, 163 ; Starfish, 

 108. 



Respiration, Seedlings, 346. 



Respiratory system. Frog, 232; Star- 

 fish, 111. 



Rhi'zoids, Fern, 334; Liverwort, 311, 

 312; Stonewort, 281. 



Rhi'zome {Gr. root). Fern, 322. 



RocKWEED, 286; antheridia, 294; 

 apical cell, 291 ; conceptacles, 288, 

 292 ; growing point, 289 ; oogonia, 

 294; ostiole, 288, 292; thallus, 

 287; trichomes, 292. 



Root, Fern, 329. 



Root-cap, Fern, 329 ; hairs, Fern, 322, 

 328. 



Roots, 357. 



S 



Saccharomt'ces {L. sugar, Gr. fun- 

 gus), 28. See Yeast. 



Salivart Cells, Metazoa, 21. 



Sarcolem'ma {Gr. flesh, skin), Frog, 

 260. 



Scaphog'nathite {Gr. bowl, jaw). Lob- 

 ster, 148. 



Seed-coat, 337. 



Seeds, 336. 



Segment. See Metamere. 



Segmental cell, Fern, 329 ; Stonewort, 

 281 ; organs, Earthwonn, 133. 



Segmentation of ovum. Starfish, 118. 



Sensation, Amceha, 9 ; Hydra, 95. 



Sense capsules. Frog, 212. 



Se'ta, pi. setse (Z. a bristle), Earth- 

 worm, 125. 



Sexual apertures, Earthworm, 126; 

 generation. Fern, 333. 



Shells, Mollusc, 189. 



Shoulder-girdle, Frog, 209. 



Sinus, pericardial. Lobster, 156; ve- 

 nosus, Frog, 238. 



Siphons, Mussel, 195. 



