ON FOSSIL TOLTZOA. 129 



between Phylactella and Smittia, and have always expressed my doubts 

 as to the advisability of using the shape of the peristome as a generic 

 character ; and the present form, which is closely allied to, if not identical 

 with, V.collaris, Norman, has decided me to only use the name Smittia 

 for what are looked upon as belonging to these two genera.' 



Range. — Miocene, Australia, Waurn Ponds and Waurn Quarry 

 (Waters). Living, Brit, localities. 



186. Phylactella labrosa, Busk = Ahjsidata ibid., 'Crag Pol.' p. 26, 



pi. xxii. fig. 7. 

 Range. — Red Crag. Living, several Brit, localities. 



III. With a mucronate peristome. 



Genus Mucronella, Hincks. 



' Zocecta with a suborbicular or semicircular orifice ; the peristome 

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

 crusting.' — Hincks, p. 360. 



187. Mucronella Peachii, Johnst. = Lepralia ibid., Busk, ' Crao- 



Pol,' p. 48, pi. v. figs. 6, 7, 3 ; pi. vi. fig. 4. 

 Range- — Coralline Crag, abundant ; Mid. Pliocene beds, Suffolk Crao- ; 

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



188. Mucronella ventricosa, Hassall = Lepralia ibid., Busk, ' Crao- 



Pol.' p. 49, pi. vi. figs. 3 and 6 = Lepralia ibid., arrecla, Rss. 

 'Bry. Ost.-ungar.' p. 24, pi. ii. fig. 11. 

 Range. — Coralline Crag ; Aus. Mid. Pliocene, Palasolithic (Bell) ; 

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



189. Mucronella VARIOLOSA, Johnst. = Lepralia ibid., Busk, ' Crao- 



Pol.' p. 48, pi. iv. fig. 6 (? fig. 8), and pi. viii.fig. 8 = Lepralia 

 serrulata, Rss., 'Bry. Ost.-ung.' p. 27, pi. ii. figs. 2 and 3 = 

 Lepralia tenera, Rss., ibid. p. 27, pi. ii. fig. 4. 

 Range. — Miocene, Austro-Hungary (Reuss) ; Mid. Pliocene; Coralline 

 and Red Crag. Living : Northern Seas. 



190. ? Mucroxella microstoma, Norman (Hincks, p. 370). Waters, 



'Quart. Jour. Geol. Soc' vol. xxxviii., p. 265. 

 Range. — Doubtfully, Australia, Mt. Gambier. Living, Shetland. 



191. Mucronella coccinea, Johnst. (Hincks, p. 271) = Lepralia ma- 



millata, Busk, ' Crag Pol.' p. 46, pi. vi. fig. 5 = Lepralia 

 mamillata, Manzoni, 2nd Cont. p. 6, pi. ii. fig. S = Lepralia 

 pteropcra, Reuss, ' Pol. Wien. T.' p. 81. pi. ix. fig. 26 = Le- 

 pralia pteropora, Manzoni, ' Bry. Foss. Ital.' 3rd Cont. p. 1, 

 fig. 3 = Distans escharellina, ibid., D'Orb., ' Pal. Franc ; ' 

 Lepralia peregrina, Manzoni, loc. cit. p. 6, pi. i. ficr. 5 = 

 ? Lepralia fulgurans, Manzoni, loc. cit. p. 7, pi. i. fig. 6 ; Lepralia, 

 quadricornuta, Dawson, ' Canad. Naturalist,' 1857; Lepralia 

 resupinaia, Manzoni, ' Castrocaro,' p. 20, pi. ii. fig. 26 ; Lepralia 

 re'supinata, Waters, 'Bry. Bruccoli,' loc. cit. p. 474; Mucronella, 

 coccinea, Johnst., Waters, ' Quart. Jour. Geol. Soc' vol. xxxviii 

 p. 266. 

 Range. — Fossil : Eocene ; Miocene, Europe ; Miocene, Australia, Mt. 

 Gambier; Pliocene, Crag ; Quaternary, Livorno, Manzoni. Living. 



192. Mucronella mucronata, Smitt = Escliaripora ibid., ' Floridan 



Bry.' p. 24, pi. v. figs. 113-115 = ? Eschara Licersidgii, T. 

 1884. g 



