TBTEAXONIDA. 13 



ii. Family Polymastidae Vosmaer. 



Polymastia invaginata Kirkp. 

 Sphaerotylus antarcticus Kirkp. 

 Spham-otylus capitatus (Vosmaer). 



iii. Family Suberitidae Schmidt. 



Suberites microstomus Eidley and Dendy var. stellatus var. n. 

 Suierites caminatus Ridley and Dendy var. papillatus var. n. 

 Pseudosuberites hyalinus (Ridley and Dendy). 



II. Tribe Aciculida. 



i. Family Stylocordylidae. 



Stylocordyla borealis (Loven) var. acuata var. n. 



II. Sub-order Sigmatomonaxonbllida Dendy. 



ii. Family AximlUdae Ridley and Dendy. 

 Axinella supraiumescens Topsent. 

 Sigmaxinyssa phaMUoides Kirkp. 



iii. Family Desmacidonidae Ridley and Dendy. 



I. Sub-family Ectyoninae Ridley and Dendy. 

 Hymedesmia areolata Thiele. 

 Hymedesmia exigua Kirkp. 

 Hymerrhaphia rufa Kirkp. 

 Ophlitaspongia nidificata Kirkp. 

 Lissomyxilla hanitschi Kirkp. 



II. Sub-family Mycalinae Thiele. 



I. Group Myxilleae Lundbeck. 

 lophon radiatus Topsent. 

 lophon spatulatus Kirkp. 

 lophon flalello-digitaius Kirkp. 

 Lissodendoryx spongiosa (Ridley and Dendy). 

 Myxilla decepta Kirkp. 

 Tedania variolosa Kirkp. 

 Tedania coulmani Kirkp. 



II. Group Mycaleae Lundbeck. 



Artemisina apollinis (Ridley and Dendy). 



Esperiopsis villosa (Carter). 



My cole magellanica (Ridley). 



Mycale acerata Kirkp. 



Mycale sp. 



Desmacidon kerguelenensis Ridley and Dendy var. antarciina var. n. 



Desmacidon Jcerguelenensis var. cactoides var. n. 



Desmacidon spinigera Kirkp. 



Desmacidon maeandrina Kirkp. 



Joymxia belli Kirkp. 



Cercidochela lanJcesteri Kirkp. 



Hoplahithara dendyi Kirkp. 



III. Family Haploscleridae Topsent. 



I. Sub-family Gelliinae Ridley and Dendy. 

 Oellius rudis Topsent. 

 Gellius flmhriatus Kirkp. 



