490 



INDEX AND GLOSSARY 



Antberozo'id. See Sperm. 



Antipodal cells, 474 



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

 ture of the enteric canal, 270 



Apical 0611 :— Penicillium, 190 : Nitella, 

 ao8 : Moss, 403 : stem of Fern 418 : root 

 of Fern, 421 : prothallus of Fern, 425 



Apical cone, Fern, 418 



Apical growth, 190, 419 



Apical mer istom, a mass of meristem 

 (i/.z') at the ajjex of a stem or root, 418, 

 421 



Appendages, lateral '.—crayfish, 331 '.dog- 

 fish, 369 



Arotaegonlam (apxVt beginning : yocot, 

 production), the name usually given to 

 the ovary of the higher plants 



Aristotle, abiogenesis taught by, 96 



Arteries, Oaytish, 337 : Dogfish, 384 



Arthrobranchia (ap0poi>, ajomt : fipdyxia, 



Kills). 3!7 



Anthropoda, the, 306 

 Artificial reproduction of Hydra, 231 

 Asexual generation See Agamobium. 

 Asexual reproduction. See Fission, 



Budding, Spore. 

 Aiparagin, 410 



ASMmlla'tlon (asshnilo, to make like), the 



conversion of food materials into living 



protoplasm, 13 

 Ast'aOUS. See Crayfish. 

 Asterlas. See Starfish. 

 Astrosphere, 65 

 At'rophy (a, without : rpo^r), nourish 



mcnt), a wasting away, 118 

 Auditory organ. Crayfish, 34a : Mussel, 



363: Dogfish, J95 

 Aur icle. See Heart. 

 Autom atism (avrb/iarot, acting of one's 



own «ill), 10, 244 

 Axial Bundle, Moss, 403 

 Axial fibre, VorticeHa, 129 

 Axil (axi/ia, 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 (jSi'os. life : Aoyos, discussion), 

 the science which treats of living things 



Biplnnaria, larva of Starfish, 317 



Blast'OCOele (iSAao-Tos, a bud : koiAoi', a 

 hollow), the larval body-cavity, 295 



Blood, Polygordius, 280: Crayfish, 341: 

 Mussel, 362 : Dogfish, 390 



Blood-corpuscles : colourless, see Leuco- 

 cytes : red, 56, 300 : Figures, 57 



Blood-vessels, Polygordius, 282 : develop- 

 ment of, 302 : Starfish, 314 : Crayfish, 

 337: Mussel, 360; Dogfish, 384 



Body. cavity. See Blastocoele and Coc- 

 lonu'. 



Body-segments. See Metameres. 



BOUGAINVILLEA (after L. A. de Hon 

 gainville, the French navigator : — 

 Figure, 233 : 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, 348 



Bract (hractea, a thin plate), 249 



Brain: — Polygordius. 283: 1 rochosphere, 

 296 : Crayhsn, 341 : Dogfish, 391 



Branch, Nitclla, 206 



Branch la Opiyvia, gill), See Gill. 



Branch ial apertures, Dogfish, 368, 381, 

 383 



Browne, Sir Thomas, on abiogenetic origin 

 of mice, 96 



Buc cal (biicca, the cheek) groove Para 

 iiKKcii'm, log 



Bud, budding, Saccharomyces, 73 : com- 

 parison of with fission, 73 ; Hydra, 233 



Bundle sheath. See Endodermis. 



Buttercup, flower, 464 (Figure) 



B 



BAOEL'LUS {bicillum, a little stalT), 85 

 Fiijure, 87 



BACTERIA (/Saicrriptor, a little staff) or 

 MICROBES (/iiticpos, small : /3ios, life):— 

 occurrence, 82: structureof 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 



Bamacle-geese, supposed heterogenetic 

 production of, 103 



Bark. See Cortex. 



Bast. See Phloem. 



Bionom inal menclature, 8, 1 3q 

 Biogenesis, (/Sios, life : yive<m, origin), 



Calyp'tra ((caAvn-Tpa, a veil), 407 



Cal yx (icoAuf, the cup of a flower), the 

 outer or proximal whorl of the perianth in 

 the flower of Angio.sperms, 464, 471, 473 



Cambium, 450 



Canals, radial and circular, medusa, 239 



Canal-cells of ovary, 405. 426 



Cap-cells of roots, 422 



Carapace, Crayfish, 318 



Carbon dioxide, decomposition of by 

 clih^ruiihyll bodies, 29 



Cardiac division. See Stomach. 

 Carpel (/capjTot, fruit), a female sporophyll, 



455. 456, 464, 467 



Cartilage, 372 



CAULER'PA (/cauAds, a stem : epnto. to 



creep), 175 (Figure) 

 Cell («//«, a closet or hut, from the first 



