Jn/i. X Mo,j. y.'f ///-' S C. Vul. IX.] 



\Tof,w>- p. 1114. 



BOTR YOCRINUS TINN ULATUS. 

 Fig. 1. Part of the stem, at about one inch from tlie crown. ( X -°- diam.) 

 Fig. 2. Part of tlie crown, showing tlie 1. ant., ant., and r. ant. Ea:lials and Primi- 



braclis witli Cover! ng-phites ; also the anterior side of the Ventral Sac 



and so'iie plates of ilif TpiTnien. ( X ."^ diam.) 



MASTIGOCRINUS LOREU-S. 

 Fig. 1. Anterior facet of 1. post. R. from the smaller Dudley Museum specimen. 



(X lUdiam.) 

 Fig. 2. Section across a brachial ; diagrammatized from the larger Dudley Museum 



specimen, (x 10 diam.) 

 Figs. 3 & 4. Portions of arms showing coverinuj-plates, from 133, Mason College. 



( X 20 diam.) Fig. 4 is the wrong way up hy mistake. 

 Fig. 5. Proximal region of crown and stem, fi'oni posterior. 57048. B.M. (x2diani.) 



