PLATE XXXIV. 



PAGE 



Fig. 1. Axinella mariana; natural size, . . . . .180 



Fig. 2. P/iftM^m^a&e^^ato, surface without oscula ; natural size, . . 171 



Fig. .3. Phakellia fiahellata, another specimen, surface without oscula ; natural 



size, ••■..... 171 



Fig. ?,a. Portion of osoulum-bearing surface, showing the stellate oscula ; x 2. 



