™, 
30 MONOGRAPH OF BRITISH LAND AND FRESHWATER MOLLUSCA. 
Hyalinia cellaria (Miiller). 
1774 Helix cellaria Miiller, Verm. Hist., ii., p. 28, no. 230. 
1789 — nitida Razoumowsky, Hist. Nat. Jorat, p. 275. 
1803 — lucida Montagu, Test. Brit., p. 425, pl. 23, f. 24. 
1807 — wnitens Maton and Rackett, Trans. Linn. Soc., viii., p. 198, pl. v., f. 7. 
1817 — glaphyra Say, Nicholson’s Eneyel., iv., pl. 1, f. 3. 
1854 — (Lucilla) cellaria Lowe, Proe. Zool. Soe., p. 177. 
1868  — _ sydneyensis Cox, Monog. Austral. Land Shells, p. 9, pl. ix., f. 16, and 
pl. xviii, f. 3, 3a. 
1815 Vortex cellaria Oken, Lehrb. Nat., ii., p. 314. 
1833 Oxychilus cellarius Fitzinger, Syst. Verz., p. 100. 
1837 Polita cellaria Held, Index Moll., p. 6. 
1820 Zonites lucidus Leach, Syn. Moll., p. 75. 
1855 -— (Aplostoma) cellarius Moquin-Tandon, Hist. Moll., i1., p. 78, pl. ix, fem: 
1862 — ecellarius Jeffreys, Brit. Conch., 1., p. 159. 
1858 Helicella cellavia Bellars, Ulustr. Catal. Br. Shells. p. 16, pl. ii., f. 26. 
1871 Hyalina (Euhyalina) cellaria Kobelt, Catal, Eur. Binnenconch., p. 4. 
1876. —_ cellaria Weinland, Weichth. Schwab. Alb., p. 33. 
1877 Hyalinia cellaria Westerlund, Faun. Eur. Moll. Extram., p. 19. 
1ss6 Euhyalina cellaria Esmark, Journ. of Conch., v., p. 126. 
1891 Vitrea (Polita) cellaria Smith, Journ. of Conch., vi., p. 339. 
e ISTORY. — Hyalinia cellaria (cellaria, 
/ inhabiting cellars) was first described by 
Miller, and his name has always been 
accepted as distinguishing the depressed 
and glassy species which goes under 
that name. 
Considerable confusion has, however, 
prevailed on account of the close simi- 
larity to certain other species, with one 
or other of which it is still frequently 
confused, and it is only im very recent 
years that //. lucida, with which it was 
so long united by the conchologists of 
this country, was frankly accepted as 
sufficiently distinct to be accorded specific 
rank, and this is not by any means the 
only species with which it has been con- 
fused in the past. 
he present species is dedicated to Dr. 
of, <<—— 
Re SSS Pou BS Emile André, Professor in the University 
of Geneva, whose researches into the 
~ = dermal histology of this species have been 
4 \ Cy so remarkable and original in their results. 
AWN AL N . 
The group is undoubtedly an exceed- 
inely difficult one in which to correctly appreciate the specific characters, 
which blend together so gradually and imperceptibly that it is often 
difficult to draw satisfactory lines of demarcation. 
Many of the American descriptions and records of this species are very 
confusing and conflicting, but show that both A. lucida and HH. cellaria 
are found on that continent ; yet their differences were not at one time 
fully appreciated. Binney and Bland’s description of the shell and the 
dentition of //. cellaria would seem to apply to MH. lucida, although 
