114 



REroRT — 1884. 



Family IX. Mickopouidj:, Smitt. 

 Hincks, op. cit.]). 172. MembraniporUhe, (part) Bask, 



* Zoccia ■with the front wall wholly calcareous; margins elevated.' 

 — Hincks, p. 172. 



This family gi'oup is a very important one, as it entirely eliminates 

 from the series all those forms that have a membranous area in the front 

 of the cell. 



Genus Micropora, Gray. 



= R(p(escharclllna, D'Orb. 



* Zoariiim incrusting. Zowcla with pi'ominent raised margins ; front 

 depressed, wholly calcareous ; ori6ce semicircular, or suborbicnlar, 

 enclosed by a calcareous border.' — Hincks, p. 173. 



74. Micropora complanata, Norman (Hincks, p. 175) = Lcpmlin 



ibid., Norman, 'A.M. N. H.' Jan. 18G4, p. 84, pi. x. fig. 4 = 

 Memhranipora Smilti, Manzoni, 4th Coutr. ' Ital. Fo.ss. Bryo/..' 

 Banrje. — Living, but of unknown locality : Italian Pliocene deposits. 



75. Micropora hippocrepis, Goldf. ('Petrefac' i. p. 20; tab. 1), f. 3) ; 



Waters, ' Quart. Jour. Geol. Soc' vol. xxxviii., p. 2G4 = Celhpnra 

 ibid., Rouss, ' Foss. Polyp, d. Wicn. Tert.' p. *J4 ; Hagenow, ' Die 

 Bry. Maest. Kreideb.' p. I'l, pi. vi. fig. \7 =^Mcmhraniporn 

 liidens, Busk, ' Crag Pol.' p. 34, and ' Quart. Jour. Geol. Soc' 

 vol. xvi., p. 2G0 = Memhranipora liosselii, Manzoni, 'Bri. Foss. 

 Ttal.' 4th Coiitr. p. 11 = Memhranipora hidens, llss. ' Die Foss. 

 Bry. Ost.-ungar.' p. 43; Manzoni, 'Bri. Castrocaro,' p. 15; 

 Waters, ' Bry. from Bruccoli.' ' Tr. Manchester Soc.' vol. xiv. 



'Range. — Fossil: Cretaceou.'^, Maestricbt; IMioceno ; Phocene Cor. 

 Crag, Castrocaro ; Bruccoli, Sicily. Living, only at Capri, from the coral 

 fisheries (A. W. W.). 



70). Micropora ordixata. Waters (Eschara form), Waters, op. cit., 

 ' Quart. Jour. Geol. Soc' vol. xxxix., p. 435. No figures. 



77. ^Micropora cavata. Waters (Fschara form). Waters, op. cit., 

 ' Quart. Jour. Geol. Soc' vol. xxxix., p. 435. No figures. 



Range. — Miocene ; Australia, Waurn Ponds. 



Genus Stegaxoporella, Smitt. 



Memhranipora, (part) auctt. ; RcptescharelUna, (part) D'Oi-b. ; Smitt, 

 *Flor. Bry.' Steganuporclla. 



' Zoarium incrusting or (occasionally) rising into foliaceous expan- 

 sions. Zocecia with the external characters of Micropora, but haviug an 

 inner chamber occupying the whole of the cavity below, and above 

 narrowed into a tubular passage, which either communicates directly with 

 the orifice or opens into a second chamber immediately beneath it,' — 

 Hincks, p. 1 70. 



/». Stkganoporella Smittii (Hincks, p. 178) ■= Memhranipora AnJe- 

 gavensis, Busk, 'Crag Pol.' p. 35, pi. ii. figs. 5 and 9. 



Range. — Coralline Crag. 



79. Steganoporella patola, Waters, 'Quart. Jour. Geol. Soc' vol. 



xxxviii., pi. ix. fig. 31, p. 205 {Micropora patida, Waters), loc. 

 cit., Aug. 1881. 



80. Steganoporelia MAGXiiAnRis, Busk (' B. Mus. Cat.' p. 59), ' Quart. 



Jour. Geol. Soc' vol. xxxviii., p. 205 = Steganoporella elcgans, 



f> 'if' 



