Davenpout. —Budding iu Uryozoa. 



PLATE VIII. 



ABBREVIATIONS. 



op. Operculum. pyd. rgn. Regenerated polypide. 



pjjd. (hjn. Degenerated polypide. 



Fig. G7. Diagram to show interrelation of individuals in the corm, Figure 69. 



Fig. 08. A part of a corm of Mfmhrani/toid pi/osn, to show regular arrangement, 

 witli a single median branch, eacli of who.sc individuals gives rise to 

 two lateral branches. The * indicates margin of frond on which 

 stock was growing. X ca. 8. 



Fig. 09. Young corm of Flualrdla hispida, to show arrangement of individuals 

 X 10. 



Fig. 70. Young corm of Membranipora pilosa, with several median branches, show- 

 ing regular arrangement. The marginal ones alone give rise to lateral 

 branches. X 10. 



Fig. 71. Young corm of Le.pralia Pallasiana, showing arrangement of individuals. 

 On the left, the nuclei of the cells of tlie body wall are shown, to 

 indicate the inequality of their distribution. On the right, nuclei are 

 omitted. At pyd. ryn. a regenerating polypide is seen, on the opercu- 

 lum. X 43. 



Fig. 71». Plan of Figure 71. 



