ON FOSSIL rOLYZOA. 



12!) 



between TJnjhirlflht and Sinllti'it, and have always expressed m}' doiil)ts 

 as to the advisabilit}- of using llic sliapo of tlio peristome as a geiierio 

 character ; and tlie present form, wliioh is closely allied to, if not identical 

 with, J'. rdUans, Norman, has decided me to only use the narao Sniitlia 

 for what arc looked upon as l)el()nging to these two genera.' 



Range. — Miocene, Australia, Waarn Ponds and "NVaurn Qnarrv 

 (Waters). Living. Jirit. localities. 



18G. Piivi-ACTi:rj..\ i-ahuosa, Ikisk = AhjdJain ibid., 'Crag Pol.' p. 20, 

 pi. xxii. lig. 7. 



Manrje. — Jied Crag. Living, several Brit. localities. 



|Hry.' 

 )uavt. 



Ilower 

 Ichan- 

 550. 

 VAlaris 



k pi- 



I given 

 lisbing 



Iir. With a mucronatc peristome. 



Genus jNIucKOXKr.LA, Ilincks. 



'■ Zmrrla with a suborbicular or semicircular orifice; the peri.stomo 

 elevated in front into a more or less prominent mucro. Zoariiun in- 

 crusting.' — Hincks, p. .3(!0. 



187. ^IrciiONKiJ.A PiiACiiiT, Johnst. = Leprulia ibid., Busk, 'Crag 



Pol,' p. 48, pi. V. figs. <"., 7, d ; pi. vi. fig. 4. 

 lianr/f. — Coralline Crag, abundant ; Mid. Pliocene beds, Suffolk Craf ; 

 Upper Pliocene; Palaeolithic (A. Bell) ; Scotch Glacial (Geikie). 



188. Ml('I!OM;li,a ventricosa, Has.sall =■ Lepralia ibid., Busk, 'Crag 



Pol.' p. 4'.», pi. vi. figs. and = Lt-praUn ibid., ar recta, Ilss. 

 'Bry. (")st..ungar.' p. 24, pi. ii. fig. 11. 



/iij;/^^'.— Coralline Crag ; Aus. Mid. Pliocene, Pahrolithic (Bell) ; 

 ^Miocene, Austro-liung. (Reuss). Living, rather widely distributed. 



180. ^[icitoxi;r,i,A vaimoi.osa, Johnst. = Lcpnilid ibid.. Busk, ' Crag 

 Pol.' p. 4!^, pi. iv. fig. (') (? fig. 8), and pi. viii. fig. 8 = Lepralia 

 scrndafa, Kss., 'Bry. Ost.-ung.' p. 27, pi. ii. tigs. 2 and 8 = 

 Le]iraVut tenera, Rss., ibid. ]i. 27, ])1. ii. fig. 4. 



I'lti/'je. -Miocene, Anstro-llungary (lieuss) ; Mid. Pliocene; Coralline 

 and Red ('rag. Living : Northern Seas. 



190. r ^Mltuqm-.ij.a MiCKOSTOy.A, Norman (Hincks, p. ;]70). AVaters, 

 'Quart. Jour. Geol. Soc' vol. xxwiii., p. 20.5. 



liaiiije.- Doubtfully, Australia, Mt. (iandjier. Living, Shetland. 



I'Jl. Mi'i'i;oNELi,A cocciNKA, Johnst. (Ilincks, p. 271) = Lepra Ha mn. 

 mllhila, Busk, ' Crag Pol.' p. 40, pi. vi. tig. •') = Lepralia 

 iiiauillhtta, ]Man/.oni, 2iid Cout. p. 0, pi. ii. fig. 8 = Lcpralia 

 pfernpcra, Ueuss, ' Pol. Wien. T.' p. 81. pi. ix. iig. 20 = Lc. 

 jn'ulla pteropi'ra, ^Man/.oni, ' Bry. Foss. Ital.' .'5rd Cont. p. 1, 

 fig, 3 = Dhlaiis esrluirellina, ibid., D"()rb., ' Pal. Frany ; ' 

 Lcpralla jtorei/riua, Man/oni, loc. cif. p. 0, pi. i. fig. ,5 = 

 r Lepraliit fahjurnns, Manzoni, lor. n't. p. 7, ])1. i. fig. ; Lepratid 

 quinlriconiKta, Dawson, * Canad. Naturalist,' 1857; Lepratia, 

 resiiplnata, ^lanzoni, ' Castrocaro,' p. 20, j)l. ii. fig. 20 ; Lcpralia 

 resupinata. Waters, 'Bry. Bruocoli,' hn-. cit. p. 474; MurroncUcb 

 corrinea, Johnst., Waters, ' (^uart. Jour. Geol. Soc' vol. xxxviii., 

 p. 200. 



Jiam/e. — Fos.sil : Foccnc ; INliocene, Europe ; ^Miocene, Australia, Mt. 

 Gambier; Pliocene, Crag ; Quaternary, Livorno, j\Ianzoni. Living. 



l'.)2, MuCRGNELLA MLCUONATA, Smitt = Esrhmponi ibid., ' Floridan 

 Bry.' p. 24, pi. v. f-gs. \\?,-\l-, = ? Esrhara Hfcrsidrjii, T. 

 1884. K 



