212 
SMITHSONIAN INSTITUTION 
PLATE 20 
(Figures natural size unless otherwise stated) 
Lecanocrinus pusillus Hall 
PAGE 
. 65 
Figs. i, ia. Posterior and basal views of calyx, showing radianal in oblique position, and projecting 
anal. X 2. 
2. Dorsal view of specimen with abnormal base. X 2. 
3. Ventral view showing distal faces of RR, and great thickness of plates. X 2. 
4. Specimen with very acuminate anal, with part of rays in place. X 2. 
5. Complete crown with part of stem. Coll. New York State Museum. 
Waldron shale; Waldron, Indiana. 
Lecanocrinus pisiformis (Roemer) 65 
Figs. 6, 6a, 6b. Anterior, posterior and distal views of complete crown, showing oblique RA, and 
rapid taper of infolding arms. X 2. 
7. Another complete crown. X 2. 
8, 9. Dorsal views of two specimens, showing IBB, BB, and RA plates. X 2. 
10, II. Posterior views of two smaller specimens with smaller RA than usual. X 2. 
12. Distal face of RR, showing comparative thinness of calyx wall. X 2. 
Beech River formation; Decatur County, Tennessee. , 
Lecanocrinus elongatus new species 65 
Fig. 13. Anterior view of complete crown. X 2. 
14. Posterior view of another specimen. X 2. 
Laurel limestone; St. Paul, Indiana. 
Lecanocrinus meniscus Springer 65 
Figs. 15, 15a, 15b. Anterior, posterior and basal views of the type anl only specimen. X 2. 
Beech River formation; Decatur County, Tennessee. 
Anisocrinus greenei (Miller and Gurley) 66 
Fig. 16. A much distorted specimen. Same horizon and locality as last. 
17. The type, from Jefferson County, Kentucky. 
Anisocrinus oswegoensis (Miller and Gurley) 66 
Fig. 18. The type, from Oswego, Illinois. 
Anisocrinus angelini Wachsmuth and Springer 66 
Fig. 19. The type, from Gotland, Sweden. 
Asaphocrinus bassleri Springer 66 
F1GS.20, 2oa. Complete crown. Anterior and posterior views of principal type, showing arrange- 
ment of arms, anal plates, and massive tube with plates flanking it- 
21. Oblique view of specimen showing the base. 
Beech River formation; Decatur County, Tennessee. 
(?) Asaphocrinus minor new species 67 
Fig. 22. Small specimen, with base lacking, perhaps of this genus. X 3/2. 
Laurel limestone; St. Paul, Indiana. 
All figures on this plate, except 13, 14 and 22, are taken from the author’s work on 
the Crinoidea Flexibiha, 1920. 
