The Annals and magazine of natural history; zoology, botany, and geology . s not to knowwhether the base was monocyclic or dicyclic. But, since nocamerate crinoid has yet been described in which infrabasalsare associated with fused basals, we are justified in placingBeyrichocrinus among Monocyclica Camerata. Therein itfalls apparently into the Suborder Batocrinoidea, and thefamily Periechocrinidas, although we do not know whetherit possessed the biserial free arms characteristic of the obscure genera have been referred to this family,mostly as supposed synonyms of Periechocrinus. W
The Annals and magazine of natural history; zoology, botany, and geology . s not to knowwhether the base was monocyclic or dicyclic. But, since nocamerate crinoid has yet been described in which infrabasalsare associated with fused basals, we are justified in placingBeyrichocrinus among Monocyclica Camerata. Therein itfalls apparently into the Suborder Batocrinoidea, and thefamily Periechocrinidas, although we do not know whetherit possessed the biserial free arms characteristic of the obscure genera have been referred to this family,mostly as supposed synonyms of Periechocrinus. WhetherBeyrichocrinus may be identical with any of these, is aquestion for the future. Tt appears allied to Periechocrinus,but the cup is rounded as in Megistocrinus; its most dis-tinctive characters are the wedge shape of the proximal anal,and the absence of a distinct median vertical row of anals. Bohemicocrinus (why not Bohemia-in us?) is establishedfor two imperfect cups, both assigned to one new species,B. pulvereus. The trivial name, taken from a manuscript \V-iHBr. Fig-. 2.—Analysis of the cup of Bohemicocrinus pulvereus, outlines copiedfrom Waagen and Jnhn, a little over nat. size. Shading as infig-. 1. The small plates at the angles of some of the inter-brachials are described by the authors as accessory plates; theydo not occur in the only other specimen known. label by Barrande, is consistently spelled pulverens—a mani-fest misprint of familiar nature. One specimen comes fromthe white limestone, e2 of Kosof, the other from blacklimestone transitional between e 1 and e 2, near Dvorce. The Lower Palaeozoic Crinoids of Bohemia. 107 authors refer their genus to the family Actinocrinidae asdefined by Zittel in 1879. There is, however, nothing inthe part preserved (Fig. 2) to prevent its assignment to thefamily Carpocrinidaa founded by the same authority ; and, tospeak even more precisely, there is no particular reason whythese cups should not belong to a Carpocrinus or
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