INDEX 



629 



Axtrofjonium, 4!''' 



A st roides, 404 



Asln>ui/.v, SOI 



Astropecten, 455, 459, 407; fossil, 475; 

 .1. innjiihrri.i, 4O8 \ movements, 468; 

 biirrowiiig habits, 469 



Astroiiectiiii.lae, 454, 458, 459, 4G7, 470 



Astrophjiton, 491, oUl 



Aslropyie, 81 



Asirorhiza, 59 



Astrorliizidaceae, 50 



Asfrosckcma, 501 ; vertebra, 481 



Astroschemidae, 501 



Aslrosdera iciUeyana, 104, 194 



Astroscleridae, IO4 



Asli/lus, 2S7 



Atf'lccrimts, 588, 594 



Athiiria (usually placed in a sub-family 

 Athoriinae of the Physonectidae, 307), 

 300 



AtoUa, 322; A. bairdi, 322 ; A. gigantea, 

 322 ; A. vcddiiiae, 322 



Atollidae, 3'2£ 



Atoll. 390 f. 



Atorella, 314, 322 



Ati-ophy, of oral apparatus of Ciliata 

 during conjugation, 151 



Attache<l, Foramiuifera, 64 ; Flagellata, 

 112 f. ; Ciliata, 152; Suctoria, 160 f., 

 162 



Attachment, temporary, of Stentor, 155 ; 

 })ermanent, of Rhizocrinus, 591 ; of 

 Bathycrinus, 591 ; of young Penta- 

 crinidae, 592 ; of Thecoidea, 596 ; of 

 Cystoidea, 597 ; — temporary, of larva of 

 sterina gihhosa, 610 ; of Brachiolaria 

 rva, 612 ; of larva of Antedon rosacea, 

 619 



Auladinimn, 79; A. aclinastium, 82 



Aidena. 220 



A ulocystis grayi, SOS 



Aurelta, 310, 314, 324 ; ^- mirita, 312 



Anrelia7iia heterocera, 383 



Auricula, of Echinns esculentus, 526 ; of 

 Cidaridae, 531 ; of Arbaciidae, 531 ; of 

 EfhinarachninsjMrma, 546; represented 

 by radial pieces of calcareous ring of 

 Holothuroidea, 566 



Auricularia, 607 ; metamorphosis of, 614, 

 615 



Auronectidae, 301, 30S 



Auro).hore. 30S 



Autoderndu, 523 



Automatic processes, so-called, 12 



Autotrophic. 37 



Autozooids, 333 



Axial filament, 2 ; of Heliozoan pseudo- 

 podia, 49, 71, 72, 74 ; of Actinoplirys 

 sol, 71 ; of Aditiosphaerimn richornii, 

 72 ; of Radiolaria Acantharia, 80 



Axial sinus, of Asterias rubcns, 448 ; of 

 Ophiothrix fragilis, 487 ; of Echinns 



esculentus, 517, 528 ; of Kchinacardium 

 cordatum, 552 ; of Holothuroid larva, 

 564 ; of larva of Antedon rosacea, 583 ; 

 development of, in A sterina yibbosa, 609 



Axifera, 353 



Axinella, 216, 222, 225 ; A. erecla, 216 



Axinellidae, 217 



Axon, 444 



Axoniderma, 216 



Axopora, 262 



Azoosporeae, 5,9 



Babesia, ( = Piroplasma), 120 



Bacteria, food of Myxomycetes, 92 f. ; nutri- 

 tion of, 36 



Badronclla, 103 



Baker, H., on organisms of putrefaction, 

 43 : on Protozoa, 45 ; on JS'odilnca, 

 134 f. 



Balanoglossus, larva and affinities of, 616 



Bcdantidium, 137 ; halntat of, 152 



Balbiani, on Protozoa, 45 ; on regeneration, 

 35 u. ; on " Pebriue " {Nosema bombycis), 

 107 



Barbados, Miocene deposit of Radiolaria, 87 



Barotaxy, 20 



Barrier reef, 390 f. 



Bary, A. de, on methods of culture of lower 

 organisms, 44 ; on nature of Myxomy- 

 cetes, 91 



Basal granules, of cilia, etc., 138 n., 141 — 

 see also Blepharoplast 



Basal plates, of Antedon rosacea, 584 ; of 

 Crinoidea, 588 ; of Hyocnnus, 588, 590 ; 

 of Atelecrinus, 588, 594; of Rhizo- 

 crinidae, 588, 590 ; of Thamnatocrinus, 

 588, 594 ; of Pentacrinidae, 691 ; of 

 Hnlopus, 592 ; of Cystoidea, 598 ; of 

 Blastoidea, 599 



Bastian, H. Cliarlton, on spontaneous 

 generation, 44 n. 



Bateson, 174 



Bath sponge, 221 



Bather, on Symjjterv.ra, 502 ; on classilica- 

 tion of Crinoidea, 589 ; on phylogeny of 

 Echinodermata, 622 



Bathyadis, 404 



BathyoMthus, 4II 



Bathycnnus, 589, 591 



Bathypathes, 4O8 



Bebryce, 356 



Bell, F. J., 406 n. ; on classification of 

 Ophiuroidea, 494 ; of Eudocycliea, 533 : 

 on relationships of Holothuroidea, 430 

 n., 622 



Bell-animalcules, 155 f. ; feeding of, 145 — 

 see also Uarchesiuni, Epistylis, Peri- 

 trichaceae, Vorticella, Zoothamniuin 



Beloidea, 77 



Beneden, E. van, on Sporozoa, 94 ; on 

 pelagic Anthozoa, 411 



Bernard, F., 241 n. 



