BY W. N. BENSON, W. S. DUN, AND W. R. BROWNE. 373 



Fii,'. fi. Enlarged transverse section of the columella showing the median plate, and the 

 relation of the radial portions of the columella to the septa, (x 5i). 

 Locality. — Babbinboon. 



Plate xix. 



Lower Carboniferous (Burindi) fossils from S.E. Babbinboon (except tig. 1.). All 

 figures natural size, except fig. K{. • 



Fig. 1. Car/arn'iii/s Aron'iiei, sp. nov. Cast of specimen obtained four miles east of 



Currabubula. 



2. Proditr/tis sei/iiriiini/a/ns (Martin). Lateral aspect. 



3. ., ,. Pedicle valve of same specimen as Fig. 2. 



4. ,, ,, tJmbonal aspect. 



5. ,, ,, Pedicle valve of same specimen as Fig. 4. 



6. ,. ,, Pedicle valve. 



7. ,. ,, Lateral aspect of same specimen as Fig. o. 



8. Prodiictus lunnispliaericiis (Sowei'by). Lateral aspect. 



9. Ortliis (Rhipidoinella) austratis (McCoy). Brachial valve. 

 UK Otlliis (Sc/iizoplioria) vesupiiiala (Martin). Pedicle valve. 



11. ,, ,. ,, Another specimen, pedicle valve. 



12. Dielasma sacciitiiiii var. /laslata (Sowerby). Lateral aspect. 

 ,, 13. An [ndetermiuate Rhynchonellid. (x 3). 



Plate XX. 



Lonei- Carliouiferous (Burindi) fossils from S.E. Babbinboon. All figures natural size. 



Fig-. 1. Spiri/cra s/riata (Sowerby). Pedicle aspect. 



2. ,, ,, Brachial aspect. 



3. ,. ,, Pedicle aspect. 



4. Spirifera cf. inoiqitensis (Fischer). Brachial aspect. 



5. ,, ,, Lateral aspect. 

 (). ,, ,. Pedicle aspect 



7. Spirifera strinlo-coiixv/iita, sp. nov. Pedicle aspect. 



8. ,, ,, Brachial aspect. 



9. Spirifera pini^uis (Sowerby). Pedicle aspect. 



10. ,, ,, Another example, petlicle aspect. 



11. Spirifera piiiguis var. elongaia, var. nov. Pedicle aspect. 



Plate .xxi. 

 Lower Carboniferous (Burindi) fossils, all from S.E. of Biibbinboon, excejjt Fig. 10. 



Fig. 1. Spirifera hisulcala (Sowerby). Pedicle aspect, (xi). 



2. Seminula snbtilita (Hall). Brachial aspect, (x^). 



3. ,, ,. Pedicle aspect, (x^). 



4. ,, ,. Lateral aspect, (x^). 



5. Actinoconchus planostilcata (Phillips). Pedicle aspect, (nat. size). 

 (). ,, ,, Pedicle aspect of another example, (nat. size). 



7. Parallelodon carnei, sp. nov. (x 3). 



8. Kochia stria/a, sp. nov. (nat. size). 



9. Sea/dia, sp. indet. (nat. size). 



10. Panenka porteri, sp. nov. Carroll, (xi). 



11. Cross-sections of a bundle of roots of an indeterminate form of plant in the top 

 of the Burindi or base of the Kuttung Series, (x 2). 



12. Enlarged microplmtograph of one root-section, (x 7). 



