82 F. A. BATHER, CRINOIDEA OF GOTLAND. 



In 1. mit. R the two halves are separated by 4 mm. In the inferradiaJ the width 

 below is about .'5 mm., the height is 4 mm.; the sides are convex, curving in gently: in 

 the superradial the width above is about lo mm., the height is 3 mm.; both sides and 

 the upper surface are Mimost straight. 



The 1. post. R has six sides, being bounded ms follows. — ( 1 ) l>v articular facet, 

 straight, 6.1 mm.; (2) by R', concave, 7 mm.; (3) the hinge-line, 7 mm.; (4) by 1. ant. R\ 

 4.5 mm.; (5) by ant. R, 4 mm.; (G) by 1. ant. 11% and Il>r,, G. 75 mm. The extreme 

 height of tliis plate is 12 mm. 



R' and r. ant. R': the suture between these plates and the T-piece is exceedingly 

 difficult to distinguish. Apparently R' is bounded by (1) IBr, and lax, 5 mm.; (2) x and 

 T-piece, 5 min.; (3) the base, 8 mm.; (4) 1. post. R, 7 mm. 



T-piece is apparently very small, quadrangular, and concave above and below. Its 

 approximate measurements are, — width below, 2.25 mm.; width above, unknown; height, 

 2.25 mm. 



Anal structures: x, a broad curved plate, rests on T-pieee and (?) the inferradials; 

 its width below is 9 mm.; its sides abut on the main-axils from I to IV; its height is 3 mm.; 

 its width above is G mm. Above it can be made out 4 or 5 similar plates, rapidly de- 

 creasing in width. 



Arms: 1. ant. is not preserved. 



1. post. has two primibrachs; IBr a has a width below of about 7 mm., and above 

 of about K mm.; its height in the raiddlé is 2 mm. lax has a width of <S min., a height 

 of 4 mm.; the upper slope, supporting the primaxil-arm, is 5.25 mm. long; the outer slope 

 is C) mm. long and is wholly oceupied by the facet. The II, III, and IV mainaxils are 

 preserved; there ma v have been one more. They are of the same general charaeter 

 as lax. 



The axil-arms, so far as preserved, appeår to branch as in C. gotlandicus. 



Ornament is a strong shagreen, where not obliterated by weathering. 



Tliis specimen is seen to resemble C. gotlandicus in most points, but it differs 

 from the two known specimens of that speeies in the follöwing features. — (1) the 

 greater relative width of the cup; (2) the greater distance between the halves of 1. ant. 

 R; (3) the shape of the niain-axil; ( 1) apparently in the relations of the T-piece and of 

 the base. It rnay possibly be an old individual of that speeies. 



Calceocrinus pugil, n. sp. 



(Plate III, iig-s. 08— 104.) 

 Diannosis. 



Proportions of cup are, — height 1; width L.3; width at hinge 1.06; thickness 1. Cup 

 seen from 1. ant. radius roughly quadrangular, low, with slight constriction ' 3 way up; 

 narrowing above. 1. ant. R s and I!' separated. T-piece biconcave, widening upward; rests 

 by its sides on the inferradials. .'• more than twice as wide as high; rests <>n the T-piece, 



