78 Mr. Biyce Wright oji new Sjjecies of Corals. 



half the cup. Septa plain, margins simple, surfaces level 

 with top of opening ; primaries sloping forwards and down- 

 wards to the columella, arranged in live cycles of 2-3 systems; 

 interseptal loculi open^ free from trabeculte. Colour cloudy 

 white below the live portion of the coral, which is a chestnut- 

 brown. 



Extreme height 4| inches ; length of largest corallite 2 

 inches ; circumference of stem 5 inches. 



Hab. Southern Seas. The ])recise locality is not known. 



BalanopJiylUa Kalcikauai. (PL III. figs. 3 & 4.) 



This species is represented by two examples, the largest one 

 situated on the base of the coral just described, the other 

 fixed to the side of one of the specimens. 



Corallum simple, tall, subcylindrical ; base large, spreading, 

 adherent, slightly tubcrculated, wrinkled. Costa? granulated, 

 without cross bars ; pellicular epitheca thin. Calice ovoid, 

 walls thick; columella prominent, spongious, porous, well deve- 

 loped. Septa in b-Q cycles, coalescent (as in figure), margins 

 sinuated, surfaces granulated. 



Height of largest example 1^ inch. 



Hab. South Seas. Precise locality unknown. 



EXPLANATION OF THE PLATES, 



Plate IL 



Distichopora Brasseyi, Bryce Wright, ^ nat. size. 



Plate III. 



Fig. 1. DisticJiopora Allmifti, Bryce Wright, front view, | nat. size. 

 Fiff. 2. Distichopora AUnutti, Bryce Wright, side view, J- nat. size. 

 Fig. 3. £ahtnopIu/l/ia Kaiakauai, Bryce Wright, nat. size. 

 Fig. 4. Opening of calice of £. Kaiakauai. 



Plate IV. 



Fig. 1. Brasseyia radians, Bryce Wright, ^ nat. size. 



Fig. 2. Calice of Birissegia radians, uat. size. 



Fig. 3. Frond of Distichopora Brasseyi, \ uat. size. 



Fig. 4. Transverse section of Distichopora Brasseyi. 



Fig. 4*. Vertical section of Distichopora Brasseyi. 



Fig. 4**. Section across two ampulla} and poriferous zones. 



Fig. 5. Frond oi Distichopora Allnatti, nat. size. 



Fig. 6. Transverse section of Distichopora AUnutti. 



Fig. 6*. Vertical section of Distichopora AUnutti. 



Fig. 7. Frond of Distichopora coccinca, nat. size. 



Fig. 8. Ti'ansverse section of Distichopora coccinea. 



Fig. 8*. Vertical section of Distichojwra coccinea. 



