g6 The Ottawa Naturalist. | August 



the numerous other specimens described by me, British Museum 

 No. E1419 as lectotype, regarding the Cambridge specimens as 

 chirotypes. 



Botryocrinus pinnulatus. 



Botryocrinus pinniilatus, Bather, 1S91, Ann. Mag. Nat. Hist. (6), VII, 

 p. j.02 ; also 1892, ser. cit. IX p. 192. 



Dorsal cup widens rapidly above with a concave curve. The 

 plates show traces of axial folding, and RR project markedly. 

 Height of cup (8.5 mm.), 100; width at base, 42-47; width at 

 summit, 129. IBB wider than high. BB as high as wide. RR 

 wider than high. Arm-facet less than .5 of R. x supports 3 tube- 

 plates. Proximal columnal pentagonal or quinquelobate. 



Upper Wenlockian, Upper or Thin Wenlock Limestone, 

 Dudley. 



Holotype in Dudley Museum. The heautotype of the second 



reference (supra) has recently been acquired for the British Museum 

 (No. E 14081). 



In the original description of the holotype the measurements 

 of height of cup, and of width at its summit appear inconsistent 

 with the figure, and it seems probable that they were interchang- 

 ed. 



Botryocrinus quinquelobus. 



Cyathocrinus quinquangularis Phillips, Salter, 1875, 'Cat. Cambr. Sil. 

 Foss. Cambridge,' p. 123. 



Botryocrinus quinquelobus, Bather, 1892, Ann. Mag. Nat. Hist. (6), X, p. 

 189. 



Dorsal cup elegant, widening above, with a slightly concavo- 

 convex curve, RR projecting very slightly. Height of cup (6.25 

 mm.), 100 ; width at base, 48 ; width at summit, circa 160. IBB 

 not higher than wide. BB and RR wider than high. Arm-facet 

 about .66 of R. x unknown. Proximal columnal quinquelobate. 



Upper Wenlockian, Upper Wenlock Limestone, Dudley. 



Two cotypes in Sedgwick Museum, Cambridge, England, 

 No. a?435. No. 1 of my description is hereby selected as lecto- 

 type. 



