Echinoid Radioles, Anaulocidaris. 159 
(RAW) In the Geologische Reichsanstalt, Wien. 
b) Greatestlencihtes >. 2... =... 204 
Greatest width 8 a ifst 4s. cue aul Sid 
Thickness of blade over all . . 2'1 
> » » in median line 1:7 
\Midthworannulus ss: i i) ee ais 
Text-fig. 29. iihicknesssopannulis = eco 
Original of Laue (1865), pl. X, f. 2a. The ridges are well marked, and there 
is a slight thickening of the margin. 
c) ANctualiflene thee en er nnEn ee O50) 
AGtialewidthineg, "| we erie a 2036 
Thickness across ridge (v—y). . 3'1 
= Thickness in median line . . . 2:1 
Toxtig..40 Widthrof annulus’: “5 3) ib vAGG 
eure sihicknesssof annulus) eee 237 
Original of Lauper (1865), pl. X, f. 2 d. 
d) r: /NGWUEM NSM 5g 4 Se aS) 
See Ao acs Greatest ewidthy. =.  «.. 3 /04 
Annulus not preserved. 
Text-fig. 41. 
Original of Lauber (1866), pl. X, f. 2c. Probably from a young individual. 
(HMW) In the Hof-Museum, Wien. 
d) A\euuail Meraraiiln, nM io 3 geen IES 
Actuallawidth es pe sen  4SS 
a \ epee iicknessmacrossenid ae (4) meen ce 
Mhicknesssacross;a—-08= 9. 9 6.) 254 
Thickness in median line . . . 21 
Teena ae Wadihvorannuluss.) 3 428. 4 or 
Thickness of annulus. . . e236 
Numbered «D. 57». St. Cassian, zone of Trachyceras Aon. 
e) (Greatestelenc alee sie areal 
Greatest width . ane 16°9 
Thickness "across ridge (v—y) . 20 
Thickness of blade over all ee 
Thickness in median line 1°8 
een Width of annulus . 37 
Thickness of annulus. BS 
_ From the Stuores Mergel, St. Cassian. Slightly asymmetrical and excavate at 
the distal end. 
