490 



INDEX AND GLOSSARY 



Antherozold. See Sperm. 



Antip'odal cells, 474 



An'US (anus, the vent), the posterior aper- 

 ture of the enteric canal, 270 



Apical Cell : Penicillium, 190 : Nitella, 

 208 : Moss, 403 : stem of Fern 418 : root 

 of Fern, 421 : prothallus of Fern, 425 



Ap'ical cone, Fern, 418 



A'pical growth, 190, 419 



A'pical merlstem, a mass of meristem 

 (q.v.) at the apex of a stem or root, 418, 

 421 



Appen'dages, lateral : crayfish, 321 '.dog- 

 fish, 369 



Archegon ium (ap\^, beginning : yoyos, 

 production), the name usually given to 

 the ovary of the higher plants 



Aristotle, abiogenesis taught by, 96 



Arteries, Crayfish, 337 : Dogfish, 384 



Arthrobranchia(dp0pop, a joint : /3pdyx ia > 

 gills), 337 



Anthropoda, the, 306 



Artificial reproduction of Hydra, 231 



Asexual generation. See Agamobium. 



Asexual reproduction. See Fission, 

 Budding, Spore. 



Asparagin, 410 



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

 conversion of food materials into living 

 protoplasm, 13 



Ast'acus. See Crayfish. 



Asterias. See Starfish. 



Astrosphere, 65 



At'rophy (a, without : rpo<fj, nourish- 

 ment), a wasting away, 118 



Auditory organ, Crayfish, 342 : Mussel, 

 363 : Dogfish, 395 



Aur'icle. See Heart. 



Autom'atism (avTo/xaros, acting of one's 

 own will), 10, 244 



Axial Bundle, Moss, 403 



Axial fibre, Vorticetla, 129 



Axil (axilla, the arm-pit), 206 



Axis, primary and secondary, 206 



the origin of organisms from pre-existing 



organisms, 96 : former belief in, 96 : early 



experiments on, 97 : crucial experiment 



on, 98 

 Biol'Ogy (/Si'os, life : Aoyos, discussion), 



the science which treats of living things 

 Bipinnaria, larva of Starfish, 317 

 Blast'OCOBle (/SAao-ros, a bud : Kol\ov, a 



hollow), the larval body-cavity, 295 

 Blood, Polygordius, 280 : Crayfish, 341: 



Mussel, 362 : Dogfish, 390 

 Blood-corpuscles: colourless, see Leuco- 



cytes : red, 56, 390 : Figures, 57 



olygordius, 282 : eveop- 

 ment of, 302 : Starfish. 314 : Crayfish. 



BlOOd-vesselS, Polygordius, 282 : devel 



337 : Mussel, 360 : Dogfish, 384 

 Body-cavity. See Blastocoele and Coc 



lome. 



Body-segments. See Metameres. 

 BOUGAINVILLEA (after L. A. de Bou- 



fiinville, the French navigator : 

 igure, 235 : occurrence and general 

 characters, 234 : microscopic structure, 

 236 : structure of medusa, 239 : structure 

 and functions of nervous system, 242 : 

 organs of sight, 244 : reproduction and 

 development, 245 : alteration of genera- 

 tions, 248 



Bract (bractea, a thin plate), 249 



Brain : Polygordius, 283 : trochosphere, 

 296 : Crayfish, 341 : Dogfish, 391 



Branch, Nitella, 206 



Branchla (/Spdyvia, gill), See Gill. 



Branchial apertures, Dogfish, 368, 381, 



Browne, Sir Thomas, on abiogenetic origin' 



of mice, 96 

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



inoecium, 109 

 Bud, budding, Saccharomyces, 73 : com- 



parison of with fission, 73 : Hydra, 233 

 Bundle-Sheath. See Endodermis. 

 Buttercup, flower, 464 (Figure) 



BACIL'LUS (bddllum, a little staff), 85 



Figure, 87 



BACTERIA (pa.KTYipiot>, a little staff ) or 

 MICROBES GUUKPOS, small : /Sios, life): 

 occurrence, 82 : structure of chief genera, 

 84 : reproduction, 87 : nutrition, 89 : 

 ferment-action, 91 ; parasitism, 92 : con- 

 ditions of life, 92 : presence in atmos- 

 phere, 102 : animals or plants? 182 

 BACTERIUM termo (Figures) 83, 84 

 Baer, von, Law of Development, 43 

 Barnacle-geese, supposed heterogenetic 



production of, 103 

 Bark. See Cortex. 

 Bast. See Phloem. 

 Bionomlnal menclature, 8, 139 

 BiOgen'eslS, (/3t'o;, life : yeWo-is, origin), 



Calyp'tra (KoAvTrrpa, a veil), 407 



Cal'yx (KaAvf, the cup of a flower), the 

 outer or proximal whorl of the perianth in 

 the flower of Angiosperms, 464, 471, 473 



Cambium, 450 



Canals, radial and circular, medusa, 239 



Canal-cells of ovary, 405. 426 



Cap-cells of roots, 422 



Carapace, Crayfish, ?i8 



Carbon dioxide, decomposition of by 



chlorophyll bodies, 29 

 ardiacdivi 



Cardiac division. See Stomach. 

 Car'pelOcapTro?, fruit), a female sporophyll. 

 455, 456, 464, 467 



Car tilage, 372 



CAULER'PA OcouAo?, a stem : epn-w, to 



creep), 175 (Figure) 

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



