STSIEMAXIC INDEX. 



Page 



Familia Homorrhaphid^ . . 77 



Subfamilia Renurinm 77 



Genus Eeniera 77 



Petrosia 80 



Halichondria 80 



Reniochalina 82 



kSubfamilia Chalinince 83 



Group Cacochalininae 83 



Genus Cacochalina 83 



Chalinopora 84 



Cladochalina . 85 



Chalinella 86 



Group Pachychaliuinse 86 



Genus Chalinissa 86 



Pachychalina 88 



Ceraochalina 88 



Group Placochaliniuae 89 



Genus Antherochalina 89 



Placochalina 90 



Group Siphoninse 92 



Genus Phylosiphonia 92 



Siphouochalina 94 



Siphonella 97 



Group Hoplochalininae 98 



Genus Hoplochaliua 98 



Group Dactylochalininae . . . . 99 



Genus Dactylochalina 99 



Euchalina 101 



Chalinodeudrou 102 



G roup Arcnochalinina! 103 



Genus Arcnochalina 103 



Familia SroNGiD-ii 104 



Genus Chaliuopsilla 104 



Phyllospongia 115 



Leiosella 120 



Euspongia 125 



