46 Balanus 



47 



COJVIA, Leach. 



48 Conia Lyonsii, Leach 



49 ■ 



50 porosa, Sowerby 



61 purpurascens. Leach 



52 Acasta Glans, several individuals from a compact 



sponge, Ceylon 



AJSIATIFERA* 



53 Anatifera laBvis ; (a) on a reed 



54 striata 



FOLLICIFES. 



bb Pollicipes Cornucopiae, tAvo fine groups 



ASPERGILLUM, 



56 Aspergillum Javanum 



57 vaginiferum, a magnificent specimen 



58 sparsum 



FISTULAA^A. 



59 Fistulana gregata, several groups and single 



specimens 



SEPTARIA, 



60 Septaria arenaria, one large tube 



* Anatifa, Lam. 



