36 
PROCEEDINGS OF THE ROYAL SOCIETY OF QUEENSLAND. 
EXPLANATION OF PLATE IV. 
Fig. 1 . — Bairdia grayi sp. nov. Cattle Creek, 14 miles E. of Springsure, Queens- 
land. Holotype. ( a ) Right side of carapace; (b) dorsal view. 
Fig. 2 . — Bairdia nyei sp. nov. Cranky Corner, Hunter River District, New South 
Wales. Holotype. (a) Right side of carapace; (b) dorsal view. 
Fig. 3 . — Eealdia chapmani sp. nov. Cattle Creek, 14 miles S.E. of Springsure, 
Queensland. Holotype. (a) Right side of carapace; (b) dorsal view. 
Fig. 4. — E. chapmani sp. nov. Same locality as Holotype. Paratype. Right valve. 
Fig. 5. — E. chapmani sp. nov. Same locality. Paratype. Left valve. 
Fig. 6 . — Cavellina sprirngsurensis sp. nov. Cattle Creek, 14 miles E. of Spring- 
sure, Queensland, below Waterfall. Holotype. (a) Left side of 
carapace; (b) dorsal view. 
Fig. 7 . — Cavellina aequivalvis sp. nov. Kulnura Bore, parish Kooree, county 
Northumberland, New South Wales at 3,894 feet. Holotype. (a) Right 
side of carapace; (b) dorsal view. 
Fig. 8 . — Cavellina hulnuraemis sp. nov. Kulnura Bore, New South Wales, at 
3,865 feet. Holotype. Right side of carapace. 
Fig. 9 . — Basslerella australae sp. nov. Cattle Creek, 14 miles S.E. of Spring- 
sure, Queensland, near Waterfall. Holotype. (a) Right side of 
carapace; (b) dorsal view. 
Fig. 10. — B. australae sp. nov. Same locality as Holotype. Paratype. Internal 
left valve. 
All Figures X 30. 
