130 REPORT— 1884. 



Woods, 'Tert. Ausfc. Pol.' 1876, p. 3 = M . inuoronata, Waters, 

 ' Quart. Jour. Geol. Soc' vol. xxxviii., p. 328, p. xvii. fig. 60. 

 Range. — Miocene, Australia. Living: Florida (S mitt). 



193. Mucronella duplicata, Waters (Vincularia form), 'Quart. Jour. 



Geol. Soc.' vol. xxxvii., p. 328, pi. xvi. fig. 54. 



194. Mucronella elegans, MacG. (var. ?), ' Quart. Jour. Geol. Soc' 



vol. xxxvii., p. 329, pi. xviii. fig. 91 = ? Eschara elegans, 

 MacG., ' Aust. Poly. Trans. R. Soc' Victoria. 



195. Mucronella nitida, Verrill = Discopora ibid., Ver., • Amer. 



Journ. Sc' vol. ix. p. 415, pi. vii. fig. 3, 1875 = Lepralia re- 

 ticulata, var. inaiqnalis, Waters, ' Bry. of Naples ' = Mucronella 

 nitida, Waters, ' Quart. Jour. Geol. Soc' vol. xxxviii., p. 507. 

 Range. — Miocene, Australia. Living. M. elegans and nitida. 



196. Mucronella porosa, Hincks, Waters, ' Quart. Jour. Geol. Soc' 



(Addendum, p. 512) vol. xxxviii. = Hincks, ' General Hist, of 

 Mar. Polyzoa; ' 'Ann. M. Nat. Hist.' ser. 5, vol. viii. p. 124, 

 pi. i. fig. 4. 

 Range. — Fossil : S.W. Victoria, Australia. Living : Curtis II'., Singa- 

 pore, Tasmania. 



Genus Palmicellaria, Alder. 

 ' Zooecia with tlie primary orifice orbicular, or ranging from semi- 

 circular to semielliptical ; the peristome elevated around it, so as to form 

 a secondary orifice, and carried out in front into a projecting palmate or 

 mucronate process with an avicularium on its inner aspect. Zoarium erect 

 and ramose, or lamellate.'- — -Hincks, p. 378. 



197. Palmicellaria Skenei, Ell. and Sol. (Millepora ibid.) = Lepralia 



hicornis, ' Crag Pol.' p. 47, pi. viii. figs. 6 and 7 ; ' Brit. Mar. 

 Poly.' p. 380 = P. Skenei, Waters, ' Quart. Jour. Geol. Soc' 

 vol. xxxviii., p. 511. 

 Range. — Fossil : Crag (Mr. Waters puts ?) ; Bairnsdale, Australia 

 (Waters). Living: Northern Seas. 



Genus Retepora, Imperato. 

 See Hincks, op. cit., for special details, pp. 388 to 397. 

 ' Zocecia disposed on the front surface of an erect and ramose zoarium, 

 the branches of which usually inosculate and form a reticulate expansion ; 

 orifice semicircular or semielliptical, with a pi'ominent rostrum on the 

 lower margin, bearing an avicularium. Zoarium adherent by means of 

 an incrusting base, composed in great part of aborted cells ; avicularia 

 developed on both the back and front of the zoarium.' — Hincks, p. 388 

 (op. cit.). 



198. Retepora Beaniana, King (' B. M. Pol.' p. 391), ibid. Busk, 



' Crag Pol.' p. 75, pi. xii. figs. 2, 5, 6, and 7 ; Waters, ' Quart. 

 Jour. Geol. Soc' vol. xxxix., p. 439. But Mr. Waters doubts 

 whether the species described by Stoliczka is really R. Beaniana. 

 — ? Lepralia lobata, Busk, ' Crag Pol.' p. 50, pi. vi. fig. 7 ; pi. 

 xxii. fig. 4, the young state. 

 Range. — Fossil: Coralline and Red Crag; Miocene, Australia ; Waters. 

 Living. 



199. Retepora Couchii, Hincks (op. cit., p. 395) = R. cellulosa, var. 

 Beaniana, Manzoni, ' Bry. Foss. Ital.' 4th Contrb. p. 19, pi. v. 

 fig. 26. 



Range. — Italian Pliocene beds, Manzoni. Living. 



