PLATE. «52. 
Figs. 1, a. Pecten dichrous, Suter. 32 * 36mm. p. 875 
Figs. 2, a. Pecten aviculoides, KE. A. Smith. 2 x 1-7 mm. p. 880. 
Fig. 3. Pecten transenna, Suter. 3-4 < 3mm. p. 881. 
Figs. 4. a, b. Lima sydneyensis, Hedley. 6 x 8mm. p. 884. 
His, 5. Modiolarca acrobeles, Suter. 4:2 x 3mm. p. 894. 
Fie. 6. Modiolarca pusilla, Gould. 5 x 3*°2mm._ p. 895. 
Fig. 7. Modiolarca Smithi, Suter. 3:5 x 2mm. p. 895. 
Kies. 8, a. Modiolarca tasmanica, Beddome. 5 < 3mm. p. 896. 
Figs. 9,4. — Crassatellites obesus, A. Adams. p. 899. 
Fios. 10, a. b. Cyamiomactra problematica, Bernard. 45 x 3mm. p. 899. 
Fie. 11. Cyamiomactra problematica truncata, Suter. 4X 35mm. p. 900. 
Fies. 12. a, b. Perrierina taxodonta, Bernard. 3°5 x 2-5 mm. p. 900. 
Fig. 15. Cuna carditelloides, Suter. 2-5 x 3mm. p. 902. 
Figs. 14, a, b. Cuma delta, Tate and May. 2-3 x 25mm. p. 902. 
