30 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 76 



beds, at Louisville, Kentucky. Two specimens are figured, and there 

 is a third fragment in the collection ; these were found by different 

 collectors who all agreed in referring it to the horizon above 'Stated. 



Phimocrinus americanns n. sp. PI. 5. figs. 17-19 



This species is described here because it is the first occurrence in 

 America of the closely related Synbathocrinid genus characterized 

 primarily by having five basals, instead of three. Correlated with 

 this character it presents a difiference in the relative thinness of the 

 radial plates, which also seem to lack the conspicuous processes which 

 are prominent in both the Eifel species described by Schultze^ when 

 proposing the genus. In this respect, as well as in the elongate form 

 of the calyx, and the sharply notched incision for the anal plate, our 

 American species is to be compared with P. jouberti Ochlert, of a 

 corresponding geological position, being from the Lower Devonian, 

 at Sable, France. The transverse lines indicating a primitive division 

 of three of the radials mentioned by M. Oehlert in his description,* 

 and by Bather,' are not seen in the unique type specimen of the 

 present species, in which, also, the edge of the radials bordering the 

 inner cavity at the ventral side is not very well defined. 



The species is founded upon a single specimen from the Linden 

 formation of the Helderbergian, Lower Devonian, in Benton County, 

 Tennessee, where it was associated with Edriocriniis dispansus, 

 Stereocrinus helderbergensis, and some other peculiar forms. 



STRATIGRAPHIC POSITION OF THE TIMOR CRINOIDS 



I have throughout this paper followed Professor Wanner in refer- 

 ring the Timor member of this family to the Permian age. The 

 fossil faunas which have been uncovered in that Island by the Dutch 

 and German geologists are amazingly prolific, and only a portion of 

 them> have as yet been described. Immense collections have been 

 made subsequent to those upon which Wanner's first volume on the 

 echinoderms, covering the crinoids only, is based. His treatise on 

 the Mastoids, which are said to be even more numerous than the 

 crinoids, is yet to appear ; and after that a supplementary part on the 

 crinoids of the later collections. I have no doubt that the greater 

 part of these faunas are properly referred to the Permian. But, 

 speaking only of the echinoderms thus far described, I cannot avoid 

 the impression that there is also a strong intermingling of Lower Car- 



1 Mon. Echin. Eifl. Kalk., p. 29, pi. 3, figs. 6, 7. 

 - Bull. Geol. Soc. de la France, t. X, 1882, p. 353. 

 3 Lankester's Treatise on Zoology, pt. 3, 1900, p. 152. 



