210 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 6 



Fig. 1. Membraniporidra porosa new species. 



Fig. 2. Alderina smitti new name. 



Fig. 3. A Iderina brevispina (O'Donoghue) . 



Fig. 4. C allopora lineata (lAnnaeus). 



Fig. 5. The same, showing ovicell and avicularium. 



Fig. 6. Callopora <whiteavesi Norman. 



Fig. 7. Callopora crattcula {A\Atr) . 



Fig. 8. Callopora exilis {Yi.\ncV.s). 



Fig. 9. Callopora horrida {Hincks). 



Fig. 10. Callopora artnata O'Donoghue. 



