50(5 



THE VOYAGE OF H.M.S. CHALLENGED. 



Autogastralia, 49. 

 Axial canal, 27, 28. 

 Azores, Sti/locali/j; 187, 38.'{. 

 r.abia, EiipJedella, 76, :?66. 

 Hajalus, 502. 

 Balanella, n. gen , .'J14. 

 Balanites, n. gen., 122, 372. 



„ pipetta, n. sp., 122, 372 (PI. .\xiii.). 

 Ban da Islands, Aulocydiis, 301 ; Crateromorpha, IGG, 



378; Farrca, 287, 391 ; Mi/Uima, 404; Srlero- 



tliamims, 339; Siylomlyx, 221, 384. 

 Barbados, Dadijlocahju; 403 ; Regadrella, 85. 

 Barboza du Bocage, Htiahmuma Jusitaninim, 183, 185, 



225. 

 BarbukB, 37, 276. 

 Basalia, 40, 48. 

 Basal collar-pad, Ili/alonema deholdii, 195, 197, 



206. 

 Jlat/iydoni,-!, n. gen., 150, 376. 



haculifer, n. sp., 154, 376 (PI. li.\.). 

 „ fimhriatua, n. sp., 20, 151, 376, 491 



(PI. Iviii.). 

 „ spinosus, n. sp., 153, 376 (PI. lix.). 



dellaUi.", n. sp., 152, 376 (PI. lix.). 

 Bathymetrical distribution, 453. 

 Borlingues, Euplectella, 366. 

 Bermudas, Aphrocalli^ifex, 313; Auloralyx, 174 ; Chone- 



Icu^ma, 397 ; Dartylocaly.r, 350, 403 ; Euplec- 



fella, 82, 367; Farrea, 288; Lefroyella, 301, 



302, 394; Rhahh„lkfyum, 107. 

 Bequia, Hyalonema, 207 ; Rliabdoilkfyuiii, 370. 

 Birotulifera, Carter, 9, 260. 

 Blainville, 99. 

 Bottom, nature of, 468. 

 Bowerbank, 6, 8; AphrocalUstcs, 306; Dactyl ocalyj:, 



343; Euplectella, 54, 55, 59; Farrea, 267, 268, 



271, 272; Hyalonema, 183, 184, 188; fyhiteon, 



345; Rossella, 136. 

 Branching, 22. 

 Brandt, 182. 



Brazil, Eupdedella t<uberea, 73; PherovniK, 241. 

 Budding, 25; oi Polylophus, 133. 

 Buenos Ayres, Holascus, 86, 368; Rossella, 375. 

 Calcarea, pbylogeny, 497. 

 CallicispongiEe, 9. 



CalUsphsera { = Pheronema grayi), 237. 

 CaUodictyonidse, Zittel, 13. 

 Carninm, 497. 

 Canalaria, 45, 49. 

 Canary Islands, Polioporjon, 254, 389. 



Cape of Good Hope, Holascus, 88. 



Cape St. Vincent, Eitpleclella, 73; Hyalonema, 183. 



Cape Verde Islands, A].'hro/-allistcs, 395; Lunnip.nclta, 



130; Sympagella, 120, 372. 

 Cape York, Hyalonema, 232. 

 Caroline Islands, Euplectella, 81. 



Carter, 18; Alcyoncelhirn, 103; Aphroeall isles, 308; 

 Asconema, 115; Birotulifera, 260; Classification, 

 9; €rateromorpha, 115, 160; Dactylocalyx, 

 346 ; Distribution, 421 ; Euplectella, 58 ; 

 .g'M/'efc, 290; /''«/•*(«, 269, 270, 276; //airo- 

 dictyum, 103; Hexactinella, 328; Hyalonema 

 cehuense, 228; Labaria, 238; Meyerina = 

 Semperella, 260; Pheronema, 237; Polylo- 

 phus, 133; Rossella, 136, 137; Sympagella, 

 119. 

 Uurteria japonka, Gray, 184. 

 ,, lusitanka, Gray, 185. 

 Cauluealyx, n. gen., 172, 379. 



^CTier, n. sp., 172, 379 (PI. Ixix.). 

 Caulopliacina?, 124, 373. 

 Caulophacus, n. gen., 124, 373. 



„ elegans, n. sp., 126, 373 (Pis. xxv., 



xxvi.). 

 „ Zni«s, n. sp., 124, 373 (PI. xxiv.). 



Celebes, Aulochone, 379. 

 Central boss, Hyalonema, 189. 

 Central column, Hyalonema sieboldii, 191. 

 Central cone, Hyalonema apertum, 204, 215. 

 Chalinida;, 497. 



Cballengcr Hcxactinellida, List of, 472. 

 Chamber cells, 23. 



„ layer, 20, 47. 

 „ pores, 19, 47. 

 Chonelasma, n. gen., 320, 397 



,, calyx, n. sp., 326, 398 (PI. Ixxxix.). 



daiderleinii, 324, 398, 498 (PI. xc). 

 ,, hamatum, n. sp., 323, 397 (PI. xci.). 



,, lamella, n. sp., 321, 397 (Pis. Ixxxvii., 



Ixxxviii.). 

 sp., 326 (PI. xc). 

 Christina Islands, Stylocrdyx, 223, 385. 

 Classifications, 8, 9, 10. 



Claus, 7, 9 ; Dactylocalyx, 344 ; Euj^leetella, 56. 

 Clavute, 37, 48. 

 Clavularia, 266. 

 Caloptychidoe, Zittel, 14. 

 Collar, 23. 



Columella, Hyalonema yracile, 197. 

 Comitalia, 46, 49. 



