200 •ENDEAVOrK" SCIENTIFIC RESULTS. 



surface is vertically furrowed, conveying the idea of an incom- 

 plete separation into lobes and digitations. Where the dermal 

 incrustation has been abraded the surface is extremely harsh 

 to the touch, owing to the dense crowding of acanthostyles at 



r>. 



r\ 



Fig. 41 — A', typicus var. stellifer. a Principal styli. b 

 Auxiliary styli. c Special dermal stvH. d Acanthostyli. 

 e Chela, f Toxa. 



the ends of the fibres. Ihe main fibres are So to 120;/ in 

 diameter. This variety is characterised by the extreme 

 abundance of its acanthostyles, which are closely arranged on 

 all the fibres, and, at the superficial extremities of the latter, so 



