

184 



F. A. BATHER, CRINOIDEA <>F GOTLAND. 



Herpetocrinus flabellicirrus (continued). 



Fig. 

 Fig. 



Fig. 

 Fig. 



69. 



70. 



71. 

 7-2. 



Fig. 73. 



Fig. 

 Fig. 

 Fig. 



Fig. 



74. 



75. 

 7 C. 



77. 



Same specimen; distal end of stem, showing cirri between tbe outer median sutures. (]i]). 44, 52.) 



Same specimen; transection of distal end of stem, sbowing tbe tive sutures, and the origins of 



three sets of cirri. Tbe black line to tbe lett of the inner median suture is a er ack. (pp. 43, 



44, 52.) Compare with Text-tig. 12 (7). 



Same specimen; proximal end, from outer curve, sbowing tbe outer sutures. 



Same specimen; transection of tbe proximal end, sbowing tive sutures and origin of two cirri. 



(Compare Fig. 70.) 



Specimen e; region 5, seen from inner curve, sbowing inner median suture. Tbe lines on 



either side are not sutures. 



Articular surface of a proximal cirral, with a sub-elliptical axial canal. (p. 52.) 



Articular surface of second cirral, with hour-glass-shaped axial canal. (p. 52.) 



Articular surface of fourth cirral, with hour-glass-shaped axial canal. (p. 52.) 



Articular surface of sixth cirral, with small round axial canal. (p. 52.) 



Streptocrinus (p. 122). 



S. crotalurus (pp. 123, 175). 



Fig. 78. The specimen described as Herpetocrinus scolopendra on p. 53, and redescribed as tbe arms 



of dtreptocri)iitn on p. 176. In this view 3 of the 5 arms are shown and 2 axillaries, A 



and B. (pp. 53, 176.) 

 Fig. 79. Same specimen; tbe left-band arm (1) seen from the side. A false pinnule springs from a 



suture at 3rd suture from *. A and B denote tbe axillaries. (p. 176.) 

 Fig. 80. Same specimen; sbowing branches 1, 2, 4 and 5, part of the ventral surface of branches 4 



and 5, and a section at the distal end of brancb 1. (p. 176.) 

 Fig. 81. (a) Same specimen; part of the ventral surface of arms 4 and 5, springing from axillary B. 



Tbe ambulacral groove with its covering-plates is clearly seen, as well as branches given off 



from it to the false pinnules. (b) The articular surface of a brachial, showing the ventral 



groove and its connection with tbe axial canal, also the slight attempt at a transverse ridge. 



(p. 176.) 

 Fig. 82. Same specimen. (a) Transection of a brachial with two false pinnules, from brancb 1 at the 



point marked *. The covering-plates are continued up tbe false pinnules. (b) Four ossicles 



of a false pinnule; the side of one baving been dissected away, the covering-plates are exposed. 



(c) Transection of a false pinnule, sbowing covering-plates, ventral groove and its connection 



with tbe axial canal as in the brachials. (p. 176.) 



N. B. Compare all tbese figures with Pl. VI, Figs. 194, 195. 





