INDEX AND GLOSSAEY 



419 



Nervous properties. Hydra, 85 ; Lob- 

 ster, 169 ; Slipper Animalcule, 16 ; 

 Starfish, 113. 



Nervous system, Earthworm, 132; 

 Frog, 245; Lobster, 164; Locust, 

 184; Mussel, 200;. Starfish, 111. 



Nervous tissue. Frog, 260. 



Neural arch. Frog, 210. 



Nodes, Fern, 322 ; Stonewort, 275. 



Notes, XX. 



Nuoel'lus (Z. a little nut). Flowers, 

 376. 



Nu'cleus, pi. nuclei {L. a kernel), 

 AmcEba, 8; cell, 30; Frog, 259, 

 260 ; Paramecium,, 13 ; Water Silk, 

 55. 



Nutrition, Amceba, 9 ; Frog, 261 ; Hy-. 

 dra, 85; Slipper Animalcule, 15; 

 Starfish, 113. 







Olfactory capsule, Frog, 212; nerve, 

 Frog, 247, 254. 



Oogo'nium, pi. oogonia ( Or. egg gen- 

 eration), the ovary of lower plants, 

 Grreen Felt, 270. 



O'osphere ( Or. egg, a sphere), the ovum 

 of plants. Fern, 335 ; Green Felt, 

 271 ; Kockweed, 294 ; Stonewort, 

 280. 



O'ospore (Gr. egg, seed). Green Felt, 

 271 ; Stonewort, 281. 



Organ of Bojanus, Mussel, 201. 



Organs of special sense, Lobster, 161. 



Os'culum, yl. oscula (L. a little 

 mouth), Sponge, 76. 



Osmo'sis ((?)■. pushing), the diffusion 

 of fluids through membranes. Seeds, 

 347. 



Os'sicles (Qr. little bones). Starfish, 

 105 ; gastric, Lobster, 160. 



Os'tiole (X. a little opening). Rock- 

 weed, 288, 292. 



O'tocyst {Gr. ear sac). Mussel, 201. 



Ovary, Earthworm, 134; Flowers, 

 374; Frog, 235; Hydra, 88; Lob- 

 ster, 164 ; Locust, 183. 



Ovipos'itor (i. egg, lay). Locust, 179. 



Ovule, Flowers, 374. 



O'vum, pi. ova ((?)■. an egg), Hydra, 



89 ; Starfish, 116 ; segmentation of. 



Starfish, 118. 



Pal'lium (i. a mantle), Mussel, 194. 



Pal'pus, pi. palpi {L. feel). Lobster, 

 148; Locust, 175, 176; Mussel, 

 197. 



Pancreas, Earthworm, 130; Frog, 

 231 ; Starfish, 107. 



Parame'cium {Gr. of longish shape), 

 10. See Slipper Animalcule. 



Paranu'cleus {Gr. beside, X. a ker- 

 nel). Slipper Animalcule, 13. 



Paraph'ysis, pi. paraphyses {Or. be- 

 side, grow). Liverwort, 316; Mush- 

 room, 306. 



Paren'chyma {Or. the spongy tissue 

 of the lungs), Fern, 330; Eock- 

 weed, 289 ; Stems, 352. 



Pectoral girdle. Frog, 209. 



Pedieella'ria, pi. pedicellaritB (X. a 

 little foot). Starfish, 104. 



Pelvic girdle, Frog, 209. 



Penioil'lium (X. a painter's brush), 

 297 ; spores of, 46. See Mould. 



Pericardial sinus. Lobster, 156. 



Pericardium {Or. around heart). Frog, 

 237; Mussel, 199; Starfish, 110. 



Perichon'drium {Or. around carti- 

 lage), Frog, 259. 



Peripheral nervous system. Frog, 251. 



Per'isarc {Or. around flesh), Hydroid, 

 92. 



Per'istome {Gr. around mouth). Bell 

 Animalcule, 19 ; Pond Snail, 193 ; 

 Starfish, 103. 



Pes (X. foot), Frog, 208. 



Phlo'em (^Or. bark), Fern, 330. 



Phyl'lotaxy {Gr. leaf, order). Leaves, 

 363. 



Pi'a ma'ter (X. gentle mother). Frog, 

 246. 



Pigment cells, Frog, 258. 



