238 
SMITHSONIAN INSTITUTION 
PLATE 33 
(All figures natural size unless otherwise stated) page' 
Troostocrinus reinwardti (Troost) 14 1 
Figs, i, 2. R. ant. and post, views of average specimens. 
3. R. post, view of similar specimen with part of stem. 
4, 5, 6. Lateral views of 3 small specimens. 
7. Ant. view of maximum specimen. 
8. Specimen with the brachioles in place. X 2. 
Troostocrinus zone of Beech River formation; Decatur and adjoining counties, 
Tennessee. 
Troostocrinus sanctipaulensis Foerste 14 1 
Fig. 9. Imperfect specimen from the Laurel, St. Paul, Indiana. 
Tetracystis fenestra tus Schuchert 14 1 
Fig. 10. Post, view, showing pectinirhomb and one food-groove complete to base; also doubled 
hydropore. 
11. R. ant. view with rhomb, showing large size of .stem. 
12. L. post, view, showing lower rhomb and one food groove. 
13. R. post, view, showing anus and 1 . p. food-groove, with some of the lower brachioles in 
place. 
14. Ventral aspect, showing the 4 food-grooves, and single hydropore. 
Beech River formation; Decatur County, Tennessee. 
Stribalocystites gorbyi S. A. Miller 142 
Figs. IS, 16. L. post, and ventral views of typical specimen. X 2. 
17. Specimen with folds strongly elevated and pores protruding with raised margins; post. 
view. X 2. 
18. Specimen with pores prominent, but folds ill defined. X 2. 
Laurel limestone; St. Paul, Indiana. 
Lysocystites sculptus (S. A. Miller) 142 
Fig, 19. R. post, view of large elongate specimen showing striation and tubular folds, the latter 
broken in several places. 
20. Ventral view of similar specimen, showing anal opening, and small area for tegmen. 
21. Small, rotund specimen, showing surface structure and proportions of the 3 ranges of 
plates ; r. ant. view. X 2. 
22. Ventral view of still smaller specimen showing anus, and tegmen covered by a few small 
plates. X 2. 
Laurel limestone; St. Paul, Indiana. 
Caryocrinus bulbulus Miller and Gurley 143 
Figs. 23, 24, 25. R. post., basal and ventral views of typical smooth specimen. 
26,27. L. post, and 1 . ant. views of specimens with median protuberance on BB, and protrud- 
ing pores. 
Beech River formation; Decatur County, Tennessee. 
Caryocrinus persculptus new species 143 
Fig. 28. R. ant. view of specimen with pores coalesced into rugose ridges. 
Waldron formation; Newsom, Tennessee. 
