Fic. 1. 
Fia. 2. 
Fia. 3. 
FiG. 4. 
Fic. 5. 
PLATE 35. 
Page. 
ACER VULARIA: ADJUNCEEVA ose) © 22 Seu nn ee tee ne ye Serevent oe eee ee yale 120 
a, Fragment of a corallum, showing the compacted corallites some- 
what distorted by pressure. 
b. A smaller fragment. ; I 
c. Transverse section of the same; partly diagramatic. 
d. Longitudinal section of a corallite; partly diagramatie. 
All natural size. 
LECYTHIOCRINUS OLLICULEFORMIS ..-...-----------2---------------- 124 
a. Side view of the body; enlarged to one and @ half diameters. 
b. Diagram of the same; similarly enlarged. 
CYATHOCRINUS, STILUATIVUS) <2 Joc tees ceeene eee iiemanete <2 ccc ean emia ee mmo 
a. Side view of the body; natural size. 
b. Basal view of the same. 
RHODOCRINUS VESPERALIS...-..------ BOB BO ACA OA Oe BG Bab Mee ane Sees 429 
a. Side view of the body; natural size. 
b. Basal view of the same. 
ERISOCRINUS (CERIOCRINUS) PLANUS ..-.-----.------ -----2 eee2 eee 127 
a, Side view of the body; natural size; showing minute anal piece. 
b. Basal view of the same. 
c. An example of the Potereocrinus hemisphericus of Shumard, intro- 
duced for comparison. 
4) ALR CHLALO CLD ARTS sD TINGININIDT ney areata at aera epee eels te eyo) tana 131 
a,b,and c. Views of three different spines; natural size. 
