538 PALEONTOLOGY OF QUEENSLAND, 



EXPLANATION OF PLATES XXXIX— XLI. 



Plate xxxix. 



ACTINOCYSTIS ? TERRA-REGIN.E, Eth. fil . 



Fig. L — Portion of the corallum, the upper surface cut rather obliquely. 

 Fig. 2. — The upper surface enlarged twice. 



Griffithides Sweeti, Eth. fiL 

 Fig. 3. — Portion of the cephalon with the thorax and pygidium — x 2. 



Athykis Roysii, LereiUf', sp. 



Fig. 4. — Impression of a valve, with its concentric lamina^ and spinose 

 frills. 



Cypricardella rectanoularl'^, Eth.fil. 



Fig. 5. — The two valves displaced. — x 2. 



Edmondia? Smitiiii, Eth.fJ. 

 Fig. 6. — Right valve rather compressed, and the umbone hidden. — x 2. 



Loxonema, sp. ind. 

 Fig. 7. — Cast taken from an impression. — x 2. 



Bellerophox, sp. ind. 



Fig. 8. — Back of shell exhibiting the raised keel, and nearly straight 

 transverse ribs. — x 2. 



Plate xl. 



Noeggerathiopsis? sx>- "''^• 

 Fig. 1. — Spathulate, triangular frond, with attenuated curved base. 



Campophyllum Gregorii, Eth. fl. 



Fig. 2. — Slightly imperfect corallum, seen partly in weathered and partly 

 in polished section. — x H. 



Cyathophyllum Sweeti, Eth. fl. 



Fig. 3. — Exterior of an ill-preserved corallum with the remains of rugae. 

 Fig. 4. — Transverse section of the corallum. 



