INDEX 



387 



embryology in: 



Kirkpatrickia variolosa, 365 



Mycale magellanica, 365 



Plakina monolopha, 364 



trilopha, 364 



Plocamia gaussiana, 365 



Polymastia isidis, 368 



Sphaerotylus antarcticus, 368 



Spongia magellanica, 368 



Stylocordyla borealis, subsp. acuata, 367 

 erinacea, Homoeodictya, 286 

 erinacea, Isodictya, 286 

 Erylus, 364 



Erylus discophorus, 264 

 Esperella lapidiformis, 289 



magellanica, 288 



Esperia cuiminghami, 288 



magellanica, 288 



Esperiopsis crasso-fibrosa, 290 



edwardii, 290 



edwardii, var. americana, 292 



fucorum, 290 



informis, 290 



normani, 290 



rugosa, 292 



rugosa, var. major, 292 



Eumastia, 335 



Eumastia sitiens, 335 



eumitum, Phloeodictyon, 283 



Eurypon, 325 



Eurypon miniaceum, 325 



fernandezi, Hymeniacidon, 328-9 

 fibidata, Reniera, 276 



fibulatus, Gellius, 276 



fimbriata, Guitarra, 287 

 fimbriatus, Gellius, 272 



flabellata, Amphilectus, 292 



flabellata, Axociella, 325 



flabellata, Callyspongia, 282 



flabellata, Ophlitaspongia, 325 



flabellata, Plicatellopsis, 332-3 



fortis, Callyspongia, 279 

 fortis, Siphonochalina, 279 



flaccida, Haliclona, 269 



fragilis, Acanthorhabdus, 294 



fragilis, Duseideia, 341 

 frigidus, lophon, 348 



frondosa, var. anacantha, Ectyodoryx, 314 



fucorum, Amphilectus, 289, 290 

 fucorum, Esperiopsis, 290 

 fucorum, Halichondria, 289 

 fucorum, Isodictya, 289, 290 

 fucorum, Reniera, 290 

 fucorum, Spongia, 289 

 fusifera, Callyspongia, 281 

 fusifera, Chalina, 281 



gastrorhabdifera, Leucaltis, 259 

 gaussiana, Haliclona, 266 

 gaussiana, Plocamia, 318 



gaussiana, Siphonochalina, 266 

 Gelliodes bencdcni, 271 



benedeni, vsx . fortior , 271 



kerguelensis, 278 



Gellius arcuarius, 277 



benedeni, 271 



carduus, 274, 275 



carduus, var. magellanica, 274, 275 



cucurbitiformis, 276 



fibulatus, 276 



fimbriatus, 272 



glacialis, 274, 275 



glacialis, var. nivea, 274, 275 



imperial is, 267 



laevis, 274, 275 



pilosus, 272 



rudis, 272 



tenellus, 272, 276 



tremulus, 276 



tubuloramosus, 266 



genotype of: 



Allocia, 317 



Acheliderma, 318 



Arenochalina, 293 



Burtonella, 295 



Dasychalina, 278 



Hemigellius, 272 



Hymeniacidon, 328 



lophon, 295 



lophonopsis, 295 



Plicatella, 332 



Plicatellopsis, 332 



Pocillon, 295 



Sigmotylotella, 295 



Stelodoryx, 316 

 Geodia, 263 

 Geodia magellani, 263 

 glacialis, Adocia, 274, 275 

 glacialis, Gellius, 274, 275 

 glacialis, var. nivea, Gellius, 274, 275 

 gracilis, Amphilectus, 290 

 gracilis, Isodictya, 289, 290, 291 

 Grantia, 262 

 Grantia cirrata, var. aurorae, 262 



cirrata, var. tenuipilosa, 262 



Grayella, 327 

 Grayella crassa, 327 

 Guitarra, 287 

 Guitarra fimbriata, 287 

 Gymnorossella, 257 

 Gymnorossella inermis, 257 



haeckeliana, Leucetta, 261 

 haeckeliana, Leucettusa, 261 

 Halichondria fucorum, 289 



hyndmaui, 295, 296 



magellanica, 278 



nigricans, 295, 296 



parasitica, 289 



scandens, 295, 296 



