i^-" 



sip, 



h 



»H H.- f "*'t 





y-if'.^ 



/ 



^^*#^4. 



5^ 



(jff 



int. 



■J ^^ 



r 



PLATE'XXIV. Anatomy of Disk-urchins, Mellita pentapora and Kchina- 



rachnius parina. 



