202 DAD0XYL0X. 



D. WilUamsoni is known only from Jack's Creek, Bowen River, 

 Upper Bowen Formation, Queensland. 



Not represented in the British Museum collection. 



6. Dadoxylon brisbanense (Shirley). 



1898. Araucarioxylon brisbanense, Shirley, Bull. 7, Geol. Surv. Queensland, 

 p. 15, pi. xxvi. 



Type. Brisbane Museum, Geol. Surv. Coll., No. 91. 



" Annual zones of wood well marked, the different zones varying 

 considerably in radial length ; tracheides of medium diameter, 

 fusiform or cylindrical, terminations overlapping or ending bluntly ; 

 pits small, rounded, usually in two rows spirally arranged; in 

 transverse section the cut ends of the tracheides are sub-quadrate ; 

 in tangential section the medullary rays show a single series of 

 2-10 cells, the average number being five" (from Shirley). 



Mr. Shirley has also described some other woods as new species, 

 but in these cases either the precise age is unknown or the 

 preservation does not appear to be very good. 



D. brisbanense is known only from Ann Street, North Brisbane. 



Not represented in the British Museum collection. 



7. Dadoxylon, sp. (from Australia). 



The following sections may belong to an undescribed species, 

 but the preservation is not sufficiently good to determine them 

 specifically : — 



39,144. Trans. Sect. Two sections of a stem, somewhat im- 

 perfect in places, showing large rings of growth, the medullary 

 rays, and the tracheides. The petrifaction (three pieces) is also 

 registered under this number. 



Port Stephens, New South Wales. Odinheimer Coll. 



V. 7224. Trans. Sect. A section similar to the preceding. 

 The petrifaction (two pieces) is also registered under this number. 



Port Stephens, New South Wales. Odinheimer Coll. 



V. 7226. Trans. Sect. A section similar to the last. The 

 petrifaction (two pieces) is registered under this number. 



Port Stephens, Kew South Wales. Odinheimer Coll. 



