XLIV] 



DADOXYLON 



185 



of growth. and with a single row of contiguous pits on the tracheid 

 walls; Dadoxylon virginianum (Knowlton)^ from the Potomac 

 series; Dadoxylon barremianum (Fliche)^ from the Lower Creta- 

 ceous of France; Dadoxylon noveboracense (Holl. and Jefl.)^ from 

 the Middle Cretaceous beds of Staten Island ; Dadoxylon Zuffardii 

 Negri * from middle Cretaceous rocks in the Gulf of Tripoli ; Dado- 

 xylon tanhoense (Stopes and Pujii)^ from Upper Cretaceous beds 

 in Japan; Dadoxylon madagascariense (Fliche)® from Madagascar. 



Dadoxylon (Araucarioxylon) Jcerguelense sp. nov. 



In 1881 Goeppert'' mentioned some wood received from Kergue- 

 len Island from Baron von Schleinitz, probably of Tertiary age, 

 under the name Araucarites Schleinitzi et Hookeri, but, as Gothan* 

 points out, it is not clear whether he refers to one or two species, 

 and as there are no figures or full description Goeppert's designation 

 cannot stand. 



A B 



Fig. 714. Dadoxylon (Araucarioxylon) kergudense. (British Museum. ) 



The sections on which this Kerguelen species is founded are in 

 the British Museum^; they show the following characters: — 



Annual rings narrow, often 15 — 20 tracheids broad, the summer 

 wood being frequently represented by only two rows of elements. 

 There are 1 or 2 rows of bordered pits on the radial walls of the 



> Knowlton (89^) PI. vii. 



' HoUick and Jeffrey (09) B. p. 58, PI. xxi. 



5 Stopes and Fujii (10) PI. iii. figs. 17, 18. 



« Eliche (00=) p. 472, fig. 1. 



' Goeppert (81). » Gothan (08) p. 13, 



2 Fliche (00) p. 18. 

 " Negri (14). 



« Sections V. 8388, V. 8390. 



