396 



INDEX AND GLOSSARY 



A'pical mer'istem, a mass of meristem 

 (g.v.) at the apex of a stem or root, 350 



Appen'dages, lateral : crayfish, 314 : dog- 

 fish, 324 



Archegonlum (apx?, beginning : -yoi/os, 

 production), the name usually given to 

 the ovary of the higher plants 



Aristotle, abiogenesis taught by, 96 



Arteries, in the crayfish, 318 



Arthropoda, the, 308 



Arthosppre (apOpov, a joint : a-nopa, a 

 seed), in Bacteria, 89 



Artificial reproduction of Hydra, 234 



Asexual generation. See Agamobium. 



Asexual reproduction. See Fission, 

 Budding, Spore. 



Asparagin, 338 



Assimila,'tion(assimi70, to make like), the 

 conversion of food materials into living 

 protoplasm, 13 



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

 ment), a wasting away, 118 



Auricle. See Heart. 



Autom'atism (avrdjuaTO?, acting of one's 

 own will), 10, 246 



Axial bundle, Moss, 335 

 Axial fibre, Vorticella,,^ 

 Axil (axilla, the :irm-pit), 208 

 Axis, primary and secondary, 209 



B 



BACIL'LUS (Imcillum, a little staff), 85 _ 

 Figure, 87 



BACTERIA (/3a/fTrjptoi/, a little staff) or 

 MICROBES (juic POS, small : /3 t 'os. life) : 

 occurrence. 82 : structure of chief genera, 

 84-87 : reproduction, 87-89 : nutrition, 

 90 : ferment-action, 91 : parasitism, 92 : 

 conditions of life, 92-94 : presence in at- 

 mosphere, 101-102: animals or plants? 

 182 



BACTERIUM termo (Figures) 83, 84 



Baer, von, Law of Development, 43 



Barnacle-geese, supposed heterogenetic 

 production of, 103 



Bast. See Phloem. 



Binomial nomenclature, 8, 139 



Biogen'esis (jSt'os, life : yeVeais, origin), 

 the origin of organisms from pre-existing 

 organisms, 96 : early experiments on, 96, 

 97 : crucial experiment on, 97-100 



Biol'ogy (|3ios, life : Ao-yos, a discussion), 

 the science which treats of living things 



Blast'OCCele (/SAacrro?, a bud ; /coiAo^, a 

 hollow), the larval body-cavity, 298 



Blood, Polygordius, 283 



Blood-corpuscles : colourless, see Leuco- 

 cytes : red, 56 : Figures, 57 



Blood-vessels, Polygordius, 282: develop- 

 ment of, 302 



Body-cavity. See Blastocccleand Ccclome. 



Body-segments. See Metameres. 



BOUGAINVILLEA (after L. A. de Bou- 

 gainville, the French navigator : 

 Figures, 238, 241 : occurrence and gene- 

 ral characters, 237 : microscopic struc 

 ture, 239 : structure of medusa, 240 

 structure and functions of nervous sys 

 tern, 245 : organs of sight, 246 : repro 

 duction and development, 247, 248 . 

 alternation of generations, 250 



Bract (bractea, a thin plate), 251 



Brain: Polygordius. 286: trochosphere, 

 299 : Crayfish, 319 : Dogfish, 330 



Branch, Nitella, 209 



Branchial (Ppdyxia., branchiae, gills) 



apertures, Dogfish, 324, 329 



Browne, Sir Thomas, on abiogenetic origin 

 of mice, 96 



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

 mcecium, 109 



Bud, budding, Saccharomyces, 73 : com- 

 parison of with fission. 73 : Hydra, 233 



Bundle-sheath, 349 



Calyp'tra (/caAvTrrpa. a veil), 339 

 Cal'yx (caAu, the cup of a "flower), the 



outer or proximal whorl of the perianth 



in the flower of Angiosperms, 378 

 Canals, radial and circular, medusa, 241 

 Canal-cells of ovary, 337, 358 

 Cap-cells of roots, 354 

 Carbon dioxide, decomposition of by 



chlorophyll bodies, 29 

 Car'pel (Kap-n-os, fruit), a female sporophyll. 



381 

 Cartilage, 324 



Cauler'pa (/covAd? a stem : e'p7rw, to 



creep), 174 (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, 188 

 Cell-colony : temporary, Saccharomyces. 



73: permanent, Zoothamnium, 135, 136 

 Cell-division, 64-67 

 Cell-fusion 305, 351 

 Cell-layer, 277 



Cell-membrane or wall, u, 27, 28, 63 

 Cell-multiplication and differentiation, 



218 : Polygordius, 305 : Fern, 351 

 Cell-plate, 67 

 Cell-protoplasm, 60 



Cell'ulOSe, composition and properties of, 



28 



Central capsule, Radiolaria, 152 

 Central particle or Centrosome (KtWpor. 



centre : (ru>ju.a, the body), 65, 256 (Fig- 

 ure). See also Directive sphere. 



Ceph'alothor'ax, Crayfish, 314 

 Cerebral ganglion. See Brain. 

 Cerebro-pleural ganglion, Mussel, 323 



