160 
M. recta, Mourlonia ? coniformis, and Goniatites micromplialus occur only in tlie Middle 
Bowen Formation and are not known from any of the other subdivisions of the Permo- 
Carboniferous. , 
CJwneies cracowensis, Porcellia Pearsi, and Orthoceras, sp., are common to tne 
Gympie, Star, and Middle Bowen Formations. _ 
Fenestella fossula, Spirifera lata, S. trigonalis, S. StoJcesii, S. Strzlecku?, 
Martinia suhradiata, M. Barwinii, Productm cora, P. Irachytlxerus, P. sub- 
quadraius, Aviculopecten limw/ormis ?, Clmnomya ? Etheridgei?, Platysclisma rotunda, 
and Bellerophon stanvellemis occur in the Middle Bowen and Gympie Formations, u 
not in any of the other subdivisions of the Permo-Carboniferous. 
Sphenopteris lobifoUa, Glossopteris Prowniana, G. linearis, and Berbyw senilis 
occur both in the Middle and Upper Bowen Formations, but not in any of the other 
subdivisions of the Permo-Carboniferous. H 
Productm hrachythcerus is common to the Gympie as well as to the Middle ana 
Upper Bowen Formations. . 
The following Genera are common to the Middle Bowen and Gympie orm 
tions : — 
Actinozoa: Stenopora. 
PouTZOA : Fenestella and Protoretepora, _ 
Moliusca: JDielasma, Spirifera, Martiniopsis, Productm, Olwnetes, Avtcii o- 
pecten, Modiomorpha, Astartella, Olimnomya, Mourlonia, Bellerophon, 
Porcellia, Orthoceras, and Goniatites. 
The following Genera are common to the Middle Bowen and Star Formations . 
PoLTZOA : Fenestella. 
MoIiLTTSCA: Spirifera, Spiriferina, Chonetes, Porcellia, and Orthoceras. 
The following Genera are common to the Middle and Upper Bowen Forma 
tions: — 
PiAitTa! : Sphenopteris Glossopteris. 
MoLitrscA: Derhyia, Productm, and Goniatites, 
J. 
