TABLE OF CONTENTS 



Page 



Descriptions of Species (Subkingdom Parazoa — 



Phylum Porifera Grant) 4 



Demospongea 4 



Keratosa Grant (or Keratida) 4 



Spongiidae Gray 4 



Spongia Linne 4 



Spotigia officinalis Linne 4 



matamata, new 4 



Spongia zimocca Schmidt 6 



irregularis Lendenfeld 6 



Hippiospongia de Laubenfels 9 



Hippiospongia communis (Lamarck) de Laubenfels 9 



ammata new 9 



Hippiospongia metachromia new 11 



Heteronema, Keller 12 



Heteronema eubamma, new 12 



Aulena Lendenfeld 14 



Aulena concertina new 14 



Phyllospongia Ehlers 15 



Phyllospongia lekanis new 15 



Phyllospongia complex new 18 



Polyfibrospongia Bowerbank 19 



Polyfibrospongia dysodes new 19 



Ircinia 21 



Ircinia strobilina (Lamarck) de Laubenfels 21 



irregularis (Polejaeff) de Laubenfels 21 



Ircinia ramosa (Keller) de Laubenfels 23 



Ircinia halmiformis (Lendenfeld) de Laubenfels 24 



S pongionella Bowerbank 26 



Spongionella chondrodes, new 26 



Druinclla Lendenfeld 27 



Druinella tyroeis, new 27 



Thorectopsamma Burton 29 



Thorectopsamma mela, new 29 



Thorectopsamma xana, new 32 



Dysideidae Gray 35 



Dysidea Johnston 35 



Dysidea fragilis (Montagu) Johnston 35 



Dysidea avara (Schmidt) de Laubenfels 36 



Dysidea chlorea new 27 



Dysidea herbacea (Keller) Burton 38 



Dysidea rhax, new 39 



Dysidea crawshayi de Laubenfels 41 



Euryspongia Row 43 



Euryspongia phlogera, new 43 



Dendrilla Lendenfeld 44 



Dendrilla nigra (Dendy) de Laubenfels 44 



Dendrilla verongiformis, new 45 



Aplysillidae Vosmaer 47 



Aplysilla Schulze 47 



Aplysilla sulfurea Schulze 47 



Aplysilla polyraphis de Laubenfels 48 



Halisarcidae Vosmaer 49 



Halisarca Dujardin 49 



