TITLES. Molh 15 
215. LOnnberg, E. Ofversigt ofver Sveriges Cephalopoder. Bih. 
Svenska Ak. xvii, Afd. 4, No. 6, 1891, 41 pp., 1 pi. 
216. Loriol, P. de. Etudes snr les Mollusques des couches coralli- 
genes infdrieures du Jura Bernois. Abh. Schweiz, pal. Ges. xix, 
pt. iv, pp. 261-419, pis. xxviii-xxxvii. 
217. — — . Description des Mollusques et Brachiopodes des couches 
s^quauiennes de Tonnerre (Yonno). Op. cit. xx, 174 pp., 11 pis. 
218. Lotsy, J. P. Food supply of the adult Oyster, Soft Clam, Clam 
and Mussel. Johns Hopkins Univ. Circ. xii, pp. 104 & 105. 
219. MacDougall, G. Notes on the Conchology of Clackmannanshire 
and Southern Perthshire. Tr. Stirling Soc. 1892-3 (1893), pp. 49-55. 
220. M’Lellan, A. Preliminary note on the Land and Freshwater 
Shells of Stirlingshire. Tr. Stirling Soc. 1891-2 (1892) pp. 110-114. 
. Second Report. T. c. 1892-3 (1893), pp. 106-109. 
221. McMurtrie, J. Eigg Shells: additional notes on the Land and 
Freshwater Molluscci. J. Conch, vii, pp. 189-191. 
222. Mantovani, P. Una nuova Discohelix [D. castellii ] del pliocene. 
P.y. Soc. Toscana, viii, pp. 5 & 6. 
223. Marcialis, E. Saggio d’un catalogo metodico dei principali e pih 
comuni animali invertebrati della Sardegna. Boll. Soc. Rom. Zool. 
ii ( Moll .), pp. 272-281. 
224. Marshall, J. T. Additions to “ British Conchology ” J. Conch, 
vii, pp. 241-265. 
225. Martens, E. von. Biologia Centrali - Americana. Mollusca. 
Pp. 177-248, pis. x-xv. 
226. . Unio an welchen ein Stuck von der Wirbelgegend abge- 
sprengt. SB. Ges. naturf. Berlin, 1893, p. 169. 
227. . Litlioglyphm naticoides , 0. Pfr., vom Rheim bei Walluf 
unweit Wiesbaden. T. c. pp. 269 & 270. 
228. Martini & Chemnitz. Systematisches Conchylien-Cabinot, Lief 
396-404 : Achatinidce, von W. Kobelt, pp. 1-56, pis. a & i-xvii. — 
Helix , by W. Kobelt, pp. 627-650, pis. clxxxv-clxxxviii. — Cerithium , 
by W. Kobelt, pp. 89-160, pis. xix-xxx. — Oolumbella , by W. Kobelt, 
pp. 129-176, pis. xix-xxiv. — Pholadea , by S. Clessin, pp. 41-88, 
pis. xiii-xxi, and Abth 4a, pis. i-iii. 
229. Matthews, E. H. On the habitat of the genus Ephippodonta 
(Tate). Conchologist, ii, pp. 144 & 145. 
230. Mayer-Eymar, C. Description de coquilles fossiles des terrains 
tertiaires inf&deurs. J. Conchyl. xli, pp. 51-61, 1 pi. 
231. Mazzarelli, G. Intorno alia Phyllaplysia lafonti , Fischer. Boll. 
Soc. Napoli, vii, pp. 5-8, 1 pi. 
1893. [VOL. XXI.] 
c 13 
