- 
424 
Plate LXY. 
Fig. 19.-— Antedon sp. Cirrus joint. Mallee bore No. 11, 560-562 feet, 
x 26. 
20. — Pentagonaster sp. Marginal plate. Mallee bore No. 11, 
575-580 feet, x 4. 
21. — Pentagonaster sp. Bounded plate of the abactinal area. 
Mallee bore No. 11, 575-580 feet, x 4. 
22. — Goniocidaris sp. Hour-glass-shaped spine. Mallee bore 
No. 11, 530-535 feet, x 5. 
23. — Echinocyamus (Scutellina) 'patella, Tate sp. Actinal surface 
showing marsupium. Mallee bore No. 11, 500-505 feet, 
x 2. 
24 a, b.—Serpula ouyenensis, Chapm. : a, side view of large tube 
(spec. A); b, aperture. Mallee bore No. 11, 585-590 feet, 
x 4. 
25. — S. ouyenensis , Chapm. A large tube (spec. B). Mallee bore 
No. 11, 585-599 feet, x 4. 
26. — Ditrupa cornea, Linne sp., var. wormbetiensis , McCoy. Type 
of “ D. wormbetiensis ,” McCoy. Cast from mould in iron¬ 
stone near Stawell. x 2. 
27. — D. cornea, L. sp., var. wormbetiensis, McCoy. Specimen 
showing annular nodosities. Mallee bore No. 5, 163-175 
feet, x 2. 
28. — D. cornea, L. sp., var. wormbetiensis, McCoy. Typical smooth 
specimen. Mallee bore No. 5, 163-175 feet, x 2. 
29. — D. cornea, L. sp. var. constricta, Chapm. Irregularly 
constricted form. Mallee bore No. 5, 163-175 feet, x 2. 
30. — ■D . cornea, L. sp., var. constricta, Chapm. Begularly con¬ 
stricted form. Mallee bore No. 5, 163-175 feet, x 2. 
31. — Spirorbis heliciformis, Eichwald. Free or upper surface. 
Mallee bore No. 11, 564-566 feet, x 26. 
32. — Glaviporella sp. Zooecium. Mallee bore No. 5, 163-175 
feet, x 52. 
33. -— Selenaria marginata, T. Woods, var. spiralis, Chapm. 
Inferior aspect of zoarium, showing spirally arranged 
zooecia. Mallee bore No. 9, 315-325 feet, x 16. 
84. —Terebratulina flindersi, Chapm. : a, brachial valve ; b, pedicle 
valve; c, lateral aspect. Mallee bore No. 11, 310-320 
feet, x 4. 
35. — -Terebratella acutirostra, Chapm. : a, brachial valve ; b, pedicle 
valve ; c, lateral aspect. Mallee bore No. 11, 430-432 
feet, x 8. 
36. — Terebratella portlomdica, Chapm. : a, brachial valve ; b, pedich 
valve ; c, lateral aspect. Mallee bore No. 11, 525-530 
feet, x 2. 
37. -— T. portlandica, Chapm. Interior of a brachial valve. Mallee 
bore No. 6, 154-156 feet. xi2. 
38. — T. portlandica, Chapm. Interor of a pedicle valve. Mallee 
bore No. 6, 114—150 feet, x 2. 
