" TABLE OF CONTENTS— (Continued) 



Halichondriidae Gray 179 



Quepanetsal, new 179 



Qucpanetsal madidus, new 180 



Halichondria Fleming • 181 



Halichondria adelpha new 181 



Nailondria, new 182 



Nailondria maza, new 182 



Ciocalapata de Laubenfels 183 



Ciocalapata sacciformis (Thiele) de Laubenfels 183 



Semisuberitidae de Laubenfels 184 



Rhaphisia Topsent 184 



Rhaphisia hispida, new 184 



Katiba, new 186 



Katiba milnei, new 186 



Hymeniacidonidae de Laubenfels 187 



Hymeniacidon Bowerbank 187 



Hymeniacidon aldis, new 187 



Hymeniacidon dystacta, new 188 



Neoprosypa, new - 189 



Neoprosypa atina, new 190 



Densa de Laubenfels 191 



Densa mollis, new 191 



Prianos Gray 192 



Prianos phlox, new 192 



Prianos melanos, new 193 



Prianos osiris, new 194 



Dictyonella Schmidt 195 



Dictyonella dasyphylla, new 19o 



Hoplochalina Lendenfeld 196 



Hoplochalina agoga, new 196 



Hadromerina, Topsent (or Hadromerida) 197 



Choanitidae de Laubenfels 197 



Spirastrella Schmidt 197 



Spirastrella potamophera, new 197 



Spirastrella decumbens Ridley 199 



Anthosigmella Topsent 201 



Anthosigmella vagabunda, Ridley 201 



Suberitidae Schmidt 203 



Pseudosuberites Topsent -03 



Pseudosuberites andrewsi Kirkpatrick 203 



Atergia Stephens 204 



Atergia purpurea, new 204 



Aaptos Gray 20j 



Aaptos unispiculus (Carter) de Laubenfels 20n 



Aaptos chromis, new 206 



Ridleia Dendy 207 



Ridleia peleia, new 207 



Terpios Duchassaing & Michelotti 209 



Terpios fugax Duchassaing & Michelotti 209 



Terpios aploos, new 210 



Quasillina Norman 211 



Quasillina quiza, new 211 



Stylotella Lendenfeld 21- 



Stylotella agminata (Ridley) Lendenfeld 212 



