1'LATE VI. 



FIG. Iff-//. Rossella foxactinophila. Spicnles. (Page 13.) 



Fir;, la. Autodertnal liexactin. (x 160.) 



FIG. l/>, t 1 . Hypoderiiuil oxypentactins. (x 50.) 



FIG. lc. Antogastral hexaetin. (x 160.) 



PIG. Id. Holoxyhexaster. (x 24". ) 



FK;. I*/ 1 . Ik'mioxyhexaster. (x iln.i 



FIG. If/ 2 . Monoxyhexaster. (x _'4iu 



FIG. If. I'alycocome. (Optic, sect.) (.x ir.n. 



FIG. I/. Holodisruhrxastcr. (Optic, sect.) ( x 240.) 



Fin. I/' 1 . The same, one secondary ray. (x 700.) 



Fin. I//. .M icrodiscohexaster. (Optic, sect.) (xTmi.) 



PlG. i'-i'/r.- - Anhi, -ustn'Ui/ jiiloxii. (Page 1C>.) 



FIG. 2. Gastral membrane, (x in.) 



FIG. L'I/. - Baaalial oxypentactin. (x . r >M.) 



Fn;. _'//. -Autodermal pentactin. (X Hi 11 .) 



FIG. -2c. Hypodernial pentacfcin. (x 50.) 



FIG. -2(1. Holoxyhexaster. (Optic, sect.) (x 24<u 



FIG. Id 1 .- Holoxyhexaster, a variety. (Optic, sect.) (x 42r>.) 



FIG. 2d'. Dwarf holoxyhexaster. (x 7i"M 



FIG. -2e Calycocome. (Optic, sect.) (xi4o.j 



Fii.. iv 1 . Portion of -V. (x Tun.) 



Kn.. i'/. Portion of calycocome from another specimen. ( x Tun. < 



l-'n:. ^</- 1'itto, with incurved secondary rays, (x Tun.) 



l-'n;. i'//. Holodiscohexaster. (x HKI.) 



FlG. 2A. - Microdisr'ohoxastcv. (Optic, sect.) (x Tim.') 



FK;. :'.-:;/'. .l///;-.v// ( / /r/'/x. (Page 18.) 

 Fl(i. :i. (! astral membrane. (X 10.) 

 FIG. ?M. Parenchymal hexactiu. (x 5n.i 

 IM i :.:!&. Basalial oxypentactin. (x 50.) 

 FIG. 3c. Hypodermal oxypentactiu. ( x 50.) 



Fii ;.;'.'/. Axitodermal pentactin. (x KiO.) 



KM;. :'/'. AntoiraM.ral pentactin. (xH'i'M 

 FIG. :;-. :\i' 1 . llcniioxyhexasters. (X24u.) 



Kin. ::/-. Monoxyhexaster. (xi'4n. 



FIG. 3/. Calycocome. (Optic, sect.) (xi4n.) 



Fn:. :;/'. Ditto, part, (x 700.) 



PIG. 3;. Holodiscohexaster. (Optic, sect.) (x :Mn.) 



I'M.. ::/,. MicrodiBcohexaster. ((.)]itic. sect.) (x 70(.i.) 



