fjinr*'!- PnUiozoic ( 'rinnii/s of' Rnhprnin. 



109 



VleUivi'cn'nns, a name derived from tlie ancient appellation 

 of the river Moldaii, on which lies Dvorce, is based on a 

 unique specimen from the black limestone (el-2) of that 

 locality. The specimen h an almost perfect crown, to which 

 47 millim. of stem remain attached. It forms the type of a 

 new species, V. Ilaueri. The crinoid (Fig. 4) is a Camerate, 



Fi«!. 4. — Analysis of the type of J'letavicrinu.t Hnueri, outlines fopietl 

 from Waagen and Jahn, nat. size. Shading as in fig. 1. The 

 portions of arms that surniouut the anals are intended a.s repe- 

 titions of the arm-branches drawni also in the adjoining ravs ; 

 the object doubtless was to show the relations of the pinnules, 

 but the chief result is to prove the inaccuracy of the diagram. 



but whether monocyclic or dicyclic is uncertain, since the 

 base is almost entirely hidden by the stem. Each ray con- 

 tains 2 lixed primibrachs, and the fixed secundibrachs in each 

 half-ray are said to be 7 or 8 (a number which each of the 

 five fiffures chooses it.s own way of contradicting), the last of 

 these being axillary. The left posterior interradiiis, as cleaned 

 from matrix by the authors, exhibits a proximal interbrachial 

 resting on the shoulders of the radials, and supporting two 

 parallel rows of interbrachials, which gradually become 

 smaller and more irregular and pass into the tegmen. Fifteen 

 plates in all are exposed in this interradius. The posterior 

 interradius shows over 30 plates, which seem to iiave passed 

 up into an anal tube. The proximal anal rests on the base, 

 and is followed by a single plate wiiich supports two parallel 

 rows of irregular plates, 5 in each row, followed by smaller 

 plates. Katiier large intersecundibrachs are visible in the 

 right and left posterior rays, arranged as in the diagram, and 

 succeeded by smaller and less regular plates. The arms, 



