20 PROCEEDINGS OF THE ROYAL SOCIETY OF QUEENSLAND. 
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the Queen Charlotte Islands. Geol. Surv. Canada , Mesozoic Fossils , 
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Whitehouse, F. W., 1924. Dimitobelidae, a new Family of Cretaceous Belemnites. 
Geol. Mag., LXI, pp. 410-416. 
1926. The Cretaceous Ammonoidea of Eastern Australia. Mem. 
Queensl. Mus., VIII (3), pp. 195-242, pis. XXXIV-XLI. 
1927. Additions to the Cretaceous Ammonite Fauna of Eastern 
Australia, Part 1. Mem. Queensl. Mus., IX (1), pp. 109-120, pis. XVI- 
XVII. 
Wilckens, O., 1922. The Upper Cretaceous Gastropods of New Zealand. N. Zeal. 
Geol. Surv., Palaeont. Bull. No. 9. 
Woods H., 1904-1913. A Monograph of the Cretaceous Lamellibranchia of 
England, vol. II. Palaeont. Soc. London. 
1917. The Cretaceous Fauna of the North-Eastern Part of the 
South Island of New Zealand. N. Zeal. Geol. Surv., Palaeont. Bull. No. 4. 
Van Hoepen, E. C. N., 1929A. The Cretaceous Beds of Zululand. Internat. Geol. 
Congr. South Africa. Durban-Zululand Guide Book, pp. 10-18. 
1929B. Die Krytfauna van Soeloeland. I. Trigoniidae. 
Palaeont. Navorsing, v.d. Nasionale Mus. Bloemfontein, D1 (1), 38 pp. Pis. 
I-VII. 
EXPLANATION OF PLATE I. 
(All figures natural size.) 
Fig. la, b. — Trigonia limatula sp. nov. Lateral and cardinal views of a left valve 
(holotype). 
Fig. 2, 3. — Pisotrigonia sp. Plasticine squeeze of two fragments showing change 
in ornament from anterior tuberculate ribs to posterior plain costae. 
Fig. 4a, b. — Inxlotri'gonia (?) sp. Lateral and cardinal view of a plasticine squeeze 
of a left valve. 
Fig. 5a, b. — Panope sp. The internal mould of a complete specimen. (a) right 
valve, (b) cardinal view. 
Fig. 6. — Indotrigonia (?) sp. Plasticine squeeze of a fragment showing 
regular, prominent, concentric ribs that appears to belong to the 
same species as figs. 4a, b. 
Fig. 7, 8. — Psevdomonotis sp. Plasticine squeezes of two left valves; fig. 8, 
showing the small posterior ear. 
Fig. 9 — Hibolites sp. Plasticine squeeze of a small individual. 
(Material from the collections of the Geological Survey of Queensland.) 
