88 
MEMOIRS OF THE QUEENSLAND MUSEUM. 
Palmadusta n. gen. with type Cyprcea clandestine i Linne. 
Gratiadusta n. subgen. with type Cyprcea pyriformis Gray. 
Palangerosa n. gen. with type Cyprcea cylindriea Born. 
Bamlitrona n. gen. with type Cyprcea Isabella Linne. 
Leporicyprcea n. gen. with type Cyprcea mappa Linne. 
Paulonaria n. gen. with type Cyprcea beckii Gaskoin. 
Cleotrivia n. gen. with type Cyprcea pilula Kiener. 
Dolichupis n. gen. with type Cyprcea producta Gaskoin. 
Mystaponda n. subgen. with type Cyprcea vitellus Linne. 
MeUcerona n. subgen. with type Cyprcea listen Gray. 
Blasicrura n. subgen. with type Cyprcea rhinoceros Sowerbie. 
Eclogavena n. subgen. with type Cyprcea coxeni Cox. 
Perisserosa n. gen. with type P. brocktoni n. sp. 
Perisserosa brocktoni n. sp. 
Nivigena n. gen. with type N. melwardi n. sp. 
Nivigena melwardi n. sp. 
Prosimnia renavata nov. 
Phenacovolva n. gen. with type P. nectarea n. sp. 
Phenacovolva nectarea n. sp. 
Prionovolva n. gen. with type Ovulum breve Sower by. 
Diminovula n. gen. with D. verepunctata n. sp. 
Diminovula verepunctata n. sp. 
Coins board mani n. sp. 
Pleuroploca altimasta n. sp. 
Cirsotrema keha n. sp. 
EXPLANATION OF PLATE IX 
Figs. 1, 2. — Melaxincea labyrintha Iredale. 
Figs. 3, 4. — Melaxincea labyrintha Iredale. Juvenile. 
Fi :. 5. — Coralastele allance Iredale. 
Fig. 6. — Phenacovolva nectarea Iredale. 
Fig. 7. — -dolus boardmani Iredale. 
Fig. 8. Gancellaphera amasia Iredale. 
Fig. 9. — Pleuroploca altinto Safer Iredale. 
Figs. 10, I I . — Prophetilora arizela Iredale. 
Figs. 12, 13. — Nivigena melwardi Iredale. 
Figs. 14, 15. — FallaHemU amino Iredale. 
Fig. 16. — Cirsotrema kelea Iredale. 
Fig. 17. — Pseudovertagus excelsior Iredale. 
Fi„. Ig. — Semelartemis cetha Iredale. 
Anthony James Cumming, Government Printer, Brisbane. 
