MONOGRAPH OF THE EXISTING CRINOIDS. 

 BRACHIALS 



71 



DIVISION SERIES' 



DORSAL POLE 



CIRRUS SOCKETS 



Ml Br (TERTIBRACHS) 



I Br, (FIRST PRIMIBRACH) 



Bra (PRIAIIBRACHIAL AXILLARY) 

 II Br (SECUNDIBRACHS) 

 I Br (PRI.WIBRACHS) 

 CENTRO- DORSAL 



OBLIQUE MUSCULAR ARTICULATIONS 



SYNARTHRIES 

 I Bra (PRIMIBRACHIAL AXILLa" 



I Br, (FIRST PRIMIBRACH) 



SVZYQIES 

 STRAIGHT MUSCULAR ARTICULATIONS 



'""""^'^'^CMS 



''^^TJ 



<o., 



*o«s. 



"*L 



Fio. 30. 



MUSCULAR FOSS^ 

 SEPTUM 

 INTERARTICULAR LIGAMENT FOSS/E 

 CENTRAL CANAL. 

 TRANSVERSE RIDQE' 

 UQAMENT PTT 



dorsal liqame^ft fossa' 

 Fig. 31. 



f. LONQITUDINAL RIDOS 

 f-CENTHAL CANAL 



Fia. 33. 



MUSCULAR FOSS.C; 

 SEPTUM 

 INTERART1CULAK LIOAMENT FOSS-E 



CENTRAL CANAL 

 TRANSVERSE RIDOe 



lioament 

 dorsal uqament fossa 

 Fig. 32. 



radial ridoe^ 

 central canal 

 Fig. 34. 



„ ^v,™., STUTTTTRFS AVRARM BASES OF A SPECIUEK OF A SPECIES OF COMANTHCS \nTH THE 



FIGS. 29-34.-29. DIAGEAM OF THE '=^^'^'^^^'^''1'^^^^^'^"^ STRUCTfRES AND PART OF A POSTRADUL SERIES OF A SPEH- 



CIRR. REMOVED (DRAWING ET ™E AUTHOR)^ ^ ™^ '^^^^^^^''^ J^ g,^ „, j^,^^ („«^^.G ^T THE APTBOR). 31, DU- 



HEN 0^'^^""<'"^;«^J^^^;^^;^\°^;^,,^ rAW^ author). 32, DUGRAMOF AN OBLIQCE MVSCTI^R 



i:^:z:o::::z:::r''^.^:zzrs'.Lo... o. . st^-abthrv (draw^g .. the a.thor). 34, duora. o, 



A SYZYGT (DRAWING BT THE AUTHOR). 



