806 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 74 



Fig. 1. Lklienopora huskiana Catui and Bassler, roof of ovicell 

 broken away; the distribution of the radii on the disc is 

 often irregular. 



Fig. 2. The same, irregular secondary cancelii above ovicell, posi- 

 tion and form of ooeciostome. 



Fig. 3. Liclienopora -verrucaria (Fabricius), showing quincuncial 

 arrangement of peristomes, irregular cancellated cover of 

 ovicell, and position and form of ooeciostome. 



F'ig. 4. Liclienopora novae-zclandiac (Busk), irregular secondary 

 cancelii covering ovicell, position and form of ooeciostome, 

 and occasional extra tubules in the uniserial radii. 



Fig. 5. Disporella separata new species, small portion of zoarium 

 showing form and separation of the discs. 



Fig. 6. The same, enlarged, showing the irregular nature of the 

 radii and the round partially closed cancelii. 



Fig. 7. Disporella calif arnica (d'Orbigny), diagram of complex 

 zoarium with two complete discs and three incomplete 

 marginal ones. 



Fig. 8. The same, at margin of central area, showing ovicell with 

 perforated cover (seen at left through the rounded sec- 

 ondary cancelii) ; position and form of ooeciostome. 



Fig. 9. The same, enlargement of cancellar pores with pin-head 

 spicules. 



