XXXIX] 



ZAMITES 



535 



by linear or linear- elliptical pinnae attached obliquely to the 

 outer part of the upper surface of the rachis, somewhat abruptly 

 narrowed at the proximal end but slightly broadened at the 



f ,< 



FIG. 601. A C, Zamites Buchianus. D, E, Zamites Carruthersi. F, Zamites 

 Zitteli. (A CafterSeward; British Museum; A, V. 2363; B, V.2123a; C, V. 

 2227; F, after Schenk.) 



actual base (fig. 601, D, E). The pinnae appear to have been 

 caducous and, as in fig. 601, D, the position of an absciss-layer 



