236 
SMITHSONIAN INSTITUTION 
PLATE 32 
(Figures natural size unless otherwise stated) 
Gissocrinus lyoni new species I35 
Figs.i, icr. Nearly complete crown, showing arms, anal series, and 3 IBB; posterior and dorsal 
views. 
Louisville limestone; Jefferson County, Kentucky. 
Gissocrinus delicatus new species 136 
Fig. 2. Crown with extremely slender arms, and anal series passing into a tube. 
Beech River formation; Decatur County, Tennessee. 
Gissocrinus magnibrachiatus new species 136 
Fig. 3. Crown with parts of arms and stem ; calyx small with plates displaced ; shows dorsal 
aspect of the huge brachials, with the small connecting or “ patelloid ” articulating 
plates between them, usually two in succession. 
4. Fragment containing a few of the large brachials — one axillary with double articulation 
at distal end. 
5. Dorsal side of a better preserved set of arms, showing 2 and 3 “patelloid” plates, and 
several axillary brachials with double articulation. 
6. Another partial set of arms, exposing both dorsal and ventral sides, the latter with the 
food-grooves completely covered. X 2. 
Beech River formation; Decatur County, Tennessee. 
Gissocrinus approximatus new species 137 
Figs. 7, 8. Fragments of isolated axillary brachials somewhat similar to the preceding, but appar- 
ently lacking the “ patelloid ” plates ; food groove open and covered. X 3/2. 
9. Another axillary brachial, almost complete, extremely elongate ; natural size. 
Laurel limestone; St. Paul, Indiana. 
Gissocrinus quadratus new species 137 
Fig. 10. An axillary plate and two following it, smaller and with rectangular brachials, also with- 
out “ patelloid ” plates ; food-grooves open. X 3/2. 
II. Part of an arm, with food-groove covered. X 3/2. 
Horizon and locality, same as last. 
