CORALS AND BRYOZOA. 25 



sides, and separated by a lamina j cells with variously-shaped 

 orifices and accessory pores. 



EscnARA MoxiLiFERA. (M.-Ed., Ann, Sciences Nat, II,, Ser. 

 VI,, p, 7, pi. XI,, fig. 1. Busk, Polyz. of the Crag, p. 68, pi. XI., 

 figs. 1—3.) I found one loose specimen of this Bryozoon, with- 

 out any indication of the locality. I believe it became detached 

 from some fragment from Mokihinui River, West Coast, Nelson ; 

 IV. or V. This fossil also occurs at Mount Gambler, South 

 Australia. 



EscHARA AMPLA, n. s. Zooarium very foliaceous and ex- 

 panding. Cells open for nearly their whole extent; the upper 

 part fringed by six or eight calcareous points, the lower forming 

 an oval opening. There are irregular pores or vibracular sockets, 

 but all the specimens are worn, App, Off. Cat,, p. 35, No. 8. 

 Hutchison's Quarry, Oamaru ; V. Apparently very common in 

 the formation. Fig. 26, one cell, much magnified. 



EscHARA BusKii fmi/iij . See Proc, Roy, Soc. N.S.W., p. 159. 

 This species was described by me from Mount Gambier, South 

 Australia, where it is very common. It appears to be equally 

 abundant at Oamaru. App. Off. Cat,, p. 35, Nos. 9 and 10. 

 Hutchison's Quarry ; V. After comparing it with specimens 

 from New Zealand, and with Stolickza's figures, I am conA'inced 

 that it should be referred to D'Orbigny's genus Porina, from 

 the European Tertiary ; and the species is the same as Stolickza's, 

 as noted below. Porina is Cretaceous, with several Eocene and 

 Miocene species as well. 



Genus — Porina. D'Orbigny, 1852. 



Zooarium calcareous, erect, ramose, with rather compressed 

 branches ; cells quincuncially disposed on both sides, separated 

 by a central lamina : inflated, submarginate, with a rounded 

 raised central or nearly central orifice, and accessory pores 

 various or none. 



Porina dieffenrachiana. Stolickza, Reise d. '' Novara," 

 Geol, Theil., Iste Bd,, p, 135, pi, XIX., fig. 20. Proc. Roy. 

 Soc. N.S.W., 1876, p. 149, pi. 7, figs. 16, 17, as Eschara 

 Buskii. 



Genus — Celleporaria (Lamouroux, 1821), Cellepora and Cel- 

 LEPORARiA (D'Orbigny, 1852), Cellepora (Busk, 1857). 

 Zooarium calcareous, spongiose, encrusting, globose or ramose, 



composed of cells heaped or conjoined, 

 4 



