Plate 24. 



I''i(;. L J'cfsiitJioiKishr hi~(n\iciix : \y\K\ abiicl iiial surface, p. IIS. 



2. I'rrsi /)li<)ii(isi< r ciiriidi-tis hrcvisitiiiiis ; abactiiiul surface, p. 115. 



3. A.sfromoiitv.s coiiijjuctii.s : type, abactinal surface, p. 107. 



4. Fersephonaster cunjactis; type, abactinal surface, p. 112. 



571 



