MONOGRAPH OF THE EXISTING CRINOIDS. 



159 



Fios. 96-9S.— 96, Lateral vmv or a specimek op Thalassometra maroinata from the Laccado-e 

 Islands, showing the relative proportions of the arm dases, centeodorsal and cirri, the 



arrangement of the cirri on the centeodorsal, and the TtDERCULATED H0RSAL Pv>LE OF 

 THE L.VST NAMED. 97, LATERAL VIEW OF THE IDR|, RADIALS, CENTRODi1RS.\L .VXD CIRRI OF A SPEC- 

 IMEN OF STIREMETRA CARINIFERA from THE INDIAN OCEAN, SHOWING THE REL.*Tn-E PROPORTIONS 

 BETWEEN THESE STRUCTURES, AND THE BIDENTATE DORSAL KEELS OF THE MORE PROXIMAL OF 

 THE OUTER CIRRUS SEGMENTS. 9S, LATERAL VIEW OF THE PROXIMAL PORTION OF A SPECIMEN OF 

 Ps.\TH^-ROMETRA MAJOR FROM THE Ea.ST INDIES, SHOWING THE RELVTnE PROPORTIONS OF THE 

 CIRRI, CENTRODORSAL AND ARM BASES, AND THE ARR.INGEMENT OF THE CIRRI ON THE CENTEO- 

 DORSAL. 



