174: RADIATA. 



No. 899. Apiocrinus Parkinsoni, Schioth. 



This specimen, representing body, stem and root, is from the Great Oolite, 

 Bradford, England, and is now in the Ward Museum, University of Rochester. 



Size, 9x3. Price, $1.25. 



No. 900. Apiocrinus Parkinsoni, Schioth. 



The several hundred pieces of body and arms, dissected and spread out on a 

 slab. From the same locality and Cabinet as the preceding. 



Size, 12x12. Price, $2.00. 



No. 901. Apiocrinus Parkinsoni, Schioth. 



An unusually large specimen, showing the body deeply excavated on its 

 upper surface for the attachment of the arms. The root, also, has a great devel- 

 opment. The stem is made up from several fragments, and is doubtless too 

 short. From the same locality and Cabinet as the preceding. 



Size, 11x4. Price, $1.60. 



No. 902. Aspidocrinus digitatus, Hall. 



The specimens referred to this genus present themselves as broad scuttelli- 

 form bases of Crinoids, or sometimes nearly hemispheric in shape. The radial 

 plates and arms are unknown. From the Lower Helderberg (Devonian), Scho- 

 harie Co., N. Y. Price, $0.25. 



No. 903. Astrios , Troost. 



This name, by an erroneons determination, was given by Troost to a silici- 

 fied filling of an abnormal development of a portion of a Crinoid stem. From 

 the Drift, near New Albany, Indianapolis. Price, $0.70. 



No. 904. Astrocoma Cirini, 



This beautiful Comatula, with its numerous arms gracefully spread out, is 

 from the Lithographic limestone (Middle Oolite), Cirin, France. 



Size, 7x4. Price, $1.00. 



No. 905. Brachiocrinus nodosarius, Hall. 



Two specimens on slab. The body of this Crinoid is unknown. The arms 

 are very long, and composed of numerous articulations arranged in single, conse- 

 cutive series, with tentacles made up of bead like joints. From the Lower Hel- 

 derberg (Upper Silurian), Schoharie, N. Y. Price, $0.60. 



No. 906. Brachiocrinus nodosarius, Hall. 



A specimen with tentacles more closely arranged than usual. From the 

 same locality as the preceding. Price, $0.30. 



No. 907. Cacabocrinus sculptilis, Troost. 



Body. This genus {Dolatocrinus of Lyon) is characterized by a round 

 column composed, near the body, of alternate large and small pieces, three 

 basal plates, first, second and third radials, hexagonal, quadrangular and penta- 

 gonal respectively, and ten arms tapering rapidly. From the Upper Helder- 

 berg (Devonian), Stuart Co., Tennessee. Price, $0.30. 



