BIHANG TILL K. SV. VET.-AKAU. HANDL. BAND 13. AKU. IV. N:0 5. 141 



2. 

 1. 



0) ]^'^^''^^ 







Cularis papillata Lkske. 



1. diaai. 24 nini. 2. diam. 41 mm. H. diam. 64 mtu. 



Part of an iiiterradinm. 



just bcgins to iippear uear the umbitiis, and at 64 mm. tliorc 

 are on each platc two well-developcd sccondarics alono- the 

 middlc part of the ambulacral areola. 



The speciraen of C. pa|)illata 24 mm. in diameter lias six 

 pvimarv verrucpp in each interradial series, of which the thrce 

 xipper liave tlioir rings circular and intact all around, and the 

 three lower have them contracted vertieally, while all are 

 eontiguous to thosc of the other series and the zoues. At a 

 size of 40 mm., with 7 and 7,5 verruca? in the series, the 

 eontraction be^ins at the 5th from below; at 55 mm., with ^, 

 <S,5 verruene, at the 5th or Gth; at (U mm., witli O, 9,.'> ver- 

 ruca^, at the 7th or 8th, and tluis the relative number of 

 verticallv contracted rinns in the series increases with acje. 

 tlie upper and the lower sides of the scrobiciilar ring gra- 

 duallv becomino' reduced and straicrhtened. The plates ofroAv 

 at a wreater råte transversclv tlian verticallv, and likewise at 

 a ifreater råte than the inner lonoer diameter of their scrobi- 

 cules, and conseqiiently, while the rings alwavs remain withiii 



