396 



INDEX AND GLOSSARY 



A'pical growth, 188, 347 



A'pical mer'istem, a mass of meristem 

 (g.v.) at the apex of a stem or root, 346 



Appen'dages, lateral : crayfish, 310 : dog- 

 fish, 321 



Archegonlum (apx*?, beginning : yoi/o?, 

 production), the name usually given to 

 the ovary of the higher plants 



Aristotle, abiogenesis taught by, 94 



Arteries, in the crayfish, 314 



Arthropoda, the, 304 



Arthrospore (apOpov, a joint : crTropa, a 

 seed), in Bacteria, 88 



Artificial reproduction of Hydra, 230 



Asexual generation. See Agamobium. 



Asexual reproduction. See Fission, 

 Budding, Spore. 



Assimila'tion (assimilo, to make like), the 

 conversion of food materials into living 

 protoplasm, 13 



At'rophy (a, without : rpo^rj, nourish- 

 ment), a wasting away, 115 



Aur'icle. See Heart. 



Autom'atism (avro'/aaros, acting of one's 

 own will), 10, 243 



Axial bundle, Moss, 331 



Axial fibre, Vorticella, 127 



Axil (axilla, the arm-pit), 206 



Axis, primary and secondary, 207 



B 



BACIL'LUS (bacillum, a little staff), 84 : 

 Figure, 86 



BACTER'IA (/3aKTr?pioi/, a little staff, or 

 MICROBES Campos, small : jSi'os, life) : 

 occurrence, 81 : structure of chief genera, 

 83, 85, 86: reproduction, 87, 88: nutrition, 

 89 : ferment-action, 90 : parasitism, 91 : 

 conditions of life, 91, 92 : presence in at- 

 mosphere, -99, 100 '.animals or plants? 180 



BACTERIUM termo (Figures), 82, 83 



Barnacle-geese, supposed heterogenetic 

 production of, 101 



Bast. See Phloem. 



Binomial nomenclature, 8, 137 



BiOgen'esiS (/3i'os, life : yeVeo-is, origin), 

 the origin of organisms from pre-existing 

 organisms, 93 : early experiments on, 94, 

 95 : crucial experiment on, 95-98 



Biol'Ogy OSt'os, life : Ao'yos, a discussion), 

 the science which tieats of living things 



Blast'OCOele (/SAaaro's, a bud : /coiAoi/, a 

 hollow), the larval body-cavity, 294 



Blood, Polygordius, 279 



Blood-corpuscles : colourless, see Leuco- 

 cytes : red, 56 : Figures, 57 



Blood-vessels, Polygordius, 278 : develop- 

 ment of, 298 



Body-cavity. See Blastocoele and Coelome. 



Body-segments. See Metameres. 



BOUGAINVILLEA (after L. A. de Bou- 

 gainville, the French navigator : 



Figures, 235, 238 : occurrence and gene- 

 ral characters, 234 : microscopic struc- 

 ture, 236 : structure of medusa, 237 : 

 structure and functions of nervous sys- 

 tem, 242, 243 : organs of sight, 243 : re- 

 production and development, 244, 245 : 

 alternation of generations, 247 



Bract (bractea, a thin plate), 249 



Brain : Polygordius, 282 : trochosphere, 

 295 : Crayfish, 315 : Dogfish, 326 



Branch, Nitella, 207 



Branchial (Ppdyx<.a., branchice, gills) 



apertures, Dogfish, 320, 325 



Browne, Sir Thomas, on abiogenetic origin 

 of mice, 94 



Buc'cal (bncca, the cheek) groove, Para- 

 moecium, 107 



Bud, budding, Saccharomyces, 72 : com- 

 parison of with fission, 72 : Hydra, 230 



Bundle-sheath, 345 



Calyp'tra (KaAvVrpa, a veil), 335 



Cal'yx (/cdAv, the cup of a flower), the 

 outer or proximal whorl of the perianth 

 in the flower of Angiosperms, 376 



Canals, radial and circular, medusa, 239 



Canal-cells of ovary, 333, 354 



Cap-cells of root, 350 



Carbon dioxide, decomposition of by 

 chlorophyll bodies, 29 



Car'pel (Kapiros, fruit, a female sporophyll, 



Car'tilage, 324 



Cauler'pa (/cavAo's, a stem : e'pTrto, to 



creep), 172 (Figure) 

 Cell (cella, a closet or hut, from the first 



conception of a cell having been derived 



from the walled plant-cell) : meaning of 



term, 60 : minute structure of (Figure), 



62 : varieties of (Figure), 57 

 Cell-aggregate, meaning of term, 186 

 Cell-COlony : temporary, Saccharomyces, 



72 : permanent, Zoothamnium, 132, 133 

 Cell-fusion, 301, 347 

 Cell-layer, 273 



Cell-membrane or wall, n, 27, 28, 62, 63 

 Cell-multiplication and differentiation, 



216: Polygordius, 301, Fern, 347 

 Cell-plate, 65 

 Cell-protoplasm, 60 

 Cell'ulose, composition and properties of, 



28 



Central capsule, Radiolaria, 150 

 Ceph'alo-thor'ax, Crayfish, 310 

 Cerebral ganglion. See Brain. 

 Cerebro-pleural ganglion, Mussel, 319 

 Cerebro-spinal cavity, Dogfish, 321 

 CHARA (xpa), delight), development and 



alternation of generations, 217, 218 

 Chlor'ophyll (xAwpo's, green : 0vAAoi/, a 



leaf), the green colouring matter of 



