806 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 74 



Fig. 1. Lulienopora huskiana Canu and Bassler, roof of ovicell 

 broken a\vay ; the distribution of the radii on the disc is 

 often irregular. 



Fig. 2. Fhe same, irregular secondary cancelli 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. Liilicnupota novae-zrlandiaf (Busk), irregular secondary 

 cancelli 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 cancelli. 



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

 zoarium with two complete discs and three incomplete 

 marginal ones. 



Fig. 8. The same, at margin of central area, sho\ving ovicell with 

 perforated cover (seen at left through the rounded sec- 

 ondary cancelli) ; position and form of f)oeciostome. 



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

 spicules. 



