J04 SMITHSONIAN INSTITUTION 



PLATE XLIX 



PAGE 



Figs. 1-7. Eutaxocrinus whiteavesi n. sp , 366 



Fig. \a. Posterior view of type, flattened; showing lower part of anal tube displaced and pushed 

 against r. post, ray; 3 IIBr. Author's collection. 

 lb. Lower part of same, enlarged; showing form of posterior basal, and the flange-like curved 

 edges of brachial plates. IBB not visible in side view. X 2. 



2. A cotype, a well preserved specimen, considerably flattened ; showing the arms complete, 



and flanged margins of brachials. Author's collection. 



3. Posterior view of smaller cotype, having remnants of anal structures. X 2. Author's 



collection. 



4. Flattened specimen with column attached, and 4 IIBr ; another cotype. U. S. National 



Museum. 

 Sa. Anterior view of abnormal specimen, in the University of Toronto. 



56. Anal side of lower part, showing irregular plates at either side of posterior basal. X 2. 

 6. Abnormal specimen, with one IBr in 1. post, ray, and none in r. post, ray — the bifurcation 



being directly on the radial. The base is apparently undivided. Am. Mus. Nat. Hist. 

 ya. Abnormal specimen with only 4 rays ; view from 1. post, ray, which has only two IBr. 



Shows well the peculiar turning up of the margins of brachial plates. Author's 



collection. 

 yb. View from 1. ant. interradius, with 2 IBr to the right. X 2. 

 yc. Posterior view, showing wide post. B with anal plates following, and 3 plates to the right 



of them which are all that is left of the right posterior ray. X 2. 

 yd. Base, showing IBB in situ, within limits of column facet. X 2. 

 ye. Diagram of calyx, showing distribution of plates ; 5 basals, mostly abnormal in shape ; 



three rays with I IBr each, and one with 2. 

 Hamilton Gr. ; Middle Devonian. Thedf ord, Canada. 



Fig. 8. Eutaxocrinus gracilis (Meek and Worthen) 367 



Figs. 8, 8&. Opposite views of the type and only known specimen; abnormal and much injured. 

 University of Illinois. 



Hamilton Gr. Jackson County, Illinois. 



Figs. 9-10. Eutaxocrinus afSnis (Miiller) 362 



Fig. 90. The type, after Miiller, Abhandl., 1857, pi. i, figs, i, 2; anterior view. Museum Anat. u. 



Min. Berlin. 

 gb. Posterior view of same. 

 100. Original of Schultze, pi. 4, figs. 2a, b, a somewhat flattened and vertically compressed 



specimen; anterior view, showing the large, thick iBr, broad rays, and 4 IIBr. IBB 



visible below BB. Mus. Comp. Zool. 

 10&. Posterior view of same, after additional cleaning; showing more long anal tube-plat'es 



than appear in Schultze's figure. 

 IOC. Basal view of same, showing the stout iBr plates. 

 Middle Devonian. Kerpen, Eifel, Germany. 



Figs. 11-12. Eutaxocrinus juglandiformis (Schultze) 363 



Fig. 1 10. One of the types, original of Schultze, pi. 4, figs. 4, 40; anterior view; a very rotund 



specimen, somewhat crushed vertically. An arm fragment of some other crinoid is 



lodged in iBr area. Mus. Comp. Zool. 

 116. Posterior view of same; r. post, ray broken away, and the remains of a broad anal tube 



with very short plates are seen toward the left, 

 lie. Basal view of same, showing IBB slightly smaller than basal ring but not enclosed within 



it. No iBr; perisome visible in one interradius. Anterior side up. 

 12. Cotype, original of Schultze, pi. 4, fig. 4b; r. post, radial and partly basal view. Shows 



large BB ; numerous small perisome plates in 3 interradii ; and the large anal tube in 



place to the left, resembling an arm. Author's collection. 

 Middle Devonian. Gerolstein, Eifel, Germany. 



Fig. 13. Eutaxocrinus eifelensis n. sp 368 



Fig. 13. Lateral view of type ; a complete crown with long stem. Author's collection. 

 Middle Devonian. Pelm, Eifel, Germany. 



