282 The American Geologist. November, 1904. 
Calceocrixus allexi. X. Sp. 
Figs. 30, 31. Side views of two different individuals, natural size. 
Fig. 32. Basal view, showing columnar excavation and two basal 
plates X I- 
Fig- 33- Side view of another individual, natural size. 
Glyptocrinus insperatus, N. Sp. 
Fig. 34. Side view of a specimen preserving the arms and pinules 
X I. 
Figs. 42, 43. Side and end views of a column, probably belonging 
to this species, natural size. 
Glyptocrinus insperatus var. pentagonus, N. Var. 
Figs. 35, 36. Side and basal views of the type, natural size. 
GiSSOCRINUS? PROBLEM ATICUS, N. Sp. 
Figs. 27, 38, 39, 40. 41. Side and basal views of the type specimen, 
natural size. 
Figs. 44, 45. End and side views of a quadrangular stem belong- 
ing to some species of Mariacrinus, associated with 34, 35, 42, X i- 
Fig. 46. A stem from the Clinton oolite, associated with 48, 49, 50, 
51, 52, X I- 
Figs. 49, 51. Crinoid plates from the Clinton oolite, nat. size. 
Fig. 48. The three plate basal ring of a crinoid, nat. size, associ- 
ated with 49, 51. 
Figs. 47, 50, 52. Plates of Cystids, nat. size, associated with 48, 49, 
Si- 
Fig. 53. Base of a Crinoid from the Niagara of Ste. Genevieve Co., 
nat. size. 
Figs. 54, 55. Side and top views of a Crinoid stump from the 
Niagara, of Ste. Genevieve Co., nat. size. 
Fig. 59. Side view of a Crinoid stump with roots. Niagara, same 
locality, nat. size. 
Glyptocrinus insperatus? var. carinatus^ N. Var. 
Fig. 56. View of the type as it lies imbedded on a slab, nat. size. 
The dotted line connects the top of the stem with another 
fragment about an inch away, the intermediate portion hav- 
ing bean destroyed by some agency. 
Lampterocrinus? comptus N. Sp. 
Figs. 57, 58. Basal views of two specimens, preserving portions 
of the calyx. Natural size. 
Skenidium? nodocostatum, N. Sp 
Figs. 60, 61, 62, 63. Cardinal, pedicel, anterior and brachial views 
of the two type specimens, natural size. 
