427 
Plate LXXI. 
Fig. 27 a, b. — Turbonilla weeahensis, Chapm. and Gabr. Holotype : 
a, oral aspect, x 4; b, protoconch, x 26. Mallee bore 
No. 10, 225-230 feet. 
28 a-c. — Calyptraea halimnae, Chapin, and Gabr. Holotype : 
a, apical aspect; b, lateral aspect; c, umbilical aspect. 
Cainozoic (Kalimnan series). Gippsland Lakes (ex. Den- 
nant coll.). x 2. 
29. — C. halimnae, Chapm. and Gabr. Para type. One of the 
typically small forms from the Mallee bores (No. 8, 165- 
180 feet), x 2. 
30. —■ Rissoa gatlijfiana, Chapm. and Gabr. Holotype. Mallee 
bore No. 10, 225-235 feet, x 20. 
31. — Rissoa ( Onoba ) bassiana, Hedley. Mallee bore No. 8, ISO- 
199 feet, x 8. 
32. — Rissoa {Onoba) chrysalida, Chapm. and Gabr. Holotype. 
Typical form. Mallee bore No. 9, 254-256 feet. x 8. 
33. — Rissoa (O.) chrysalida , Chapm. and Gabr. Para type. 
Extreme, elongate form. Cainozoic (Kalimnan series). 
Upper beds, Murray Creek. Ex. Dennant coll, x 8. 
34. — Nassa spiraliscabra, Chapm. and Gabr. Holotype. Mallee 
bore No. 8, 199-204 feet, x 4. 
35. — Marginella praeformicula, Chapm. and Gabr. Holotype. 
Mallee bore No. 8, 180-199 feet, x 4. 
36. — Terebra profunda , Chapm. and Gabr. Holotype. Mallee 
bore No. 10, 225-230 feet, x 4. 
37. — Pleurotoma {Orillia) dilectoides, Chapm. and Gabr. Holo¬ 
type. Cainozoic (Kalimnan series). Gippsland Lakes. 
Ex. Dennant coll, x 4. 
Plate LXXII. 
Fig. 1.— Argilloecia badia, G. S. Brady. Bight valve. Mallee bore 
No. 5, 189-190 feet, x 52. 
2. — Marocypris decora , G. S. Brady sp. Right valve ; specimen 
showing original colour markings. Mallee bore No. 9, 
256-263 feet, x 52. 
3. —• Macrocypris tumida , G. S. Brady. Right valve. Mallee 
Bore No. 10, 310-320 feet, x 52. 
4. —Bythocypris tumefacta, Chapm. a, Carapace seen from the 
right side ; b, seen from below ; c, end view. Mallee bore 
No. 11, 542-544 feet, x 40. 
5. — B. tumefacta , Chapin. Another specimen (paratype), left 
valve. Mallee bore No. 10, 310-320 feet, x 40. 
6. — BairdAa amygdaloides, G. S. Brady. Left valve. Mallee 
bore No. 10, 310-320 feet, x 52. 
7. — BairdAa australis, Chapm. Right valve. Mallee bore No. 
9, 256-263 feet, x 52. 
8. — Oythere canaliculata, Reuss sp. Right valve. Mallee bore 
No. 11, 219-260 feet, x 52. 
9. — Cythere crispata, G. S. Brady. Right valve. Mallee bore 
No. 11, 554-556 feet, x 52. 
10. —Cythere dasyderma, G. S. Brady. Left valve. Mallee bore 
No. 11, 554-556 feet, x 52. 
11. — Cythere demissa, G. S. Brady. Left valve. Mallee bore No 
10, 160-186 feet, x 52. 
