﻿Explanation of Plate XXXVII 



(Photographs retouched by Wieser and pen and ink camera-lucida draw- 

 ings by McConnell. The specimens figured are from the Manlius formation, 

 and unless otherwise stated are from near Keyser, West Virginia.) 



Fig. i. Pscudocrinites claypolci n. sp p. 232 



Fig. 1. The holotype ; the ambulacral plates are exfoliated. X 2. 

 35,066. 

 From Clark's Mills, near New Bloomfield, Pennsylvania. 



Figs. 2, 3. Lepocrinites manlius n. sp p. 214 



(See also Plate XXXIX, figures 15, 16.) 

 Figs. 2, 3. Two views of the holotype. X 2. 35,062. 



Figs. 4-8. Jackelocystis liartlcyi Schuchert p. 224 



Fig. 4. View of the holotype ; a large specimen. Anal opening to the 



right. X 2. 

 Fig. 5. A smaller specimen with the anal opening to the left. X 2. 

 Fig. 6. Camera-lucida drawing of the oral end to show the arrange- 

 ment of the ambulacral plates, the ambulacralia (somewhat 

 restored), brachiole attachments, and the plate with the 

 madreporite; the latter lies in the depression of the large 

 plate on the left of the figure. X 8. 

 Fig. 7. The anal pyramid ; the positions of the bounding plates, 13, 



14, 7, 8, are indicated. X 8. 

 Fig. 8. Plates 14 and 15, with the discrete-pectinirhombs; the dicho- 

 pores on plate 14 are deeply situated and do not show on 

 the surface. X 8. 



Figs. 9, 10. Jackelocystis papillatus n. sp p. 225 



Fig. 9. Anal aspect of the paratype. X 2. 



Fig. 10. Antanal view of the holotype; pectinirhomb 14-15 is faintly 

 indicated on the left. X 2. 



Figs, i i, 12. Jackelocystis avellana n. sp p. 226 



Fig. 11. View of the holotype, with the anal opening to the left and 



pectinirhomb of plates 14-15 to the right. X 3- 35.056. 



Fig. 12. Same specimen seen from the top, showing the 2 small 



discrete-pectinirhombs, the central madreporite, and the 



large anal opening. X 3- 



