38 APvï. 9. — M. YOKOYAMA. 



mous, numbering about 15 in the broadest part. Between these 

 veins, there are longitudinal striations. 



Another segment represented in fig. 6 is comparatively a 

 broad one, attaining a breadth of G,5 mm., wliile its length 

 is 35 mm. The veins are quite of the Glossozamites type, 

 so that it probably belongs to the same species as the other 

 specimen. 



3. GLOSSOZAMITES ACUMINATUS n bi . 

 PJ. XII. Figs. 5b, 7. 



What I call by the above name are long, lanceolate seg- 

 ments, l^roadest near the base and gradually tapering above to 

 an acuminate apex. A specimen shown in fig. 5b attains the 

 breadth of 10mm., while its length, if it had the apex preserved, 

 would measure more than 70 mm. The base measures about 

 7 mm. in breadth and has no stalk. The veins are distinct, 

 divergent and dichotomous, quite in the Glossozamites style. 

 They number about 20 in the broadest part. The interspaces 

 are longitudinally striated as in the preceding species. Fig. 7 

 represents the apical portion of a segment, though the extreme 

 apex is broken off. 



In shape these segments are considerably ditlerent from those 

 of Glossozamites Hoheneggeri. Therefore at present I prefer to 

 treat them as belonging to a new species. 



