14 Moll. 
MOLLUSCA. 
Levy, Max. Zoochemische Untersu chung der Mitteldarmdruse (Leber) 
von Helix pomatia. Z . Biol, xxvii, pp. 398-414. 
Leicester, A. Report on the Land Mollusca of Puffin Island. P. 
Liverp. Biol. Soc. iv, pp. 87-90. 
Lienenklaus, E. Die Ober-Oligocan-Fauna des Doberges. J. Ber. 
Ver. Osnabr. viii, pp. 43-174, 2 pis. 
< Mollusca , pp. 58-134. 
Locard, A. (1) Les Huitres et les Mollusques comestibles. Paris 
(Bailli^re et Fils) : 1890, 97 figs. 
A new volume of the “ Bibliotheque Scientifique Contemporaine.” 
The first chapter gives a good popular account of Molluscs ; then come 
chapters on oyster and mussel growing, and on cockles, snails, and other 
edible Molluscs ; chaps, v & vi are on the domestication and the accli- 
matization of Molluscs ; chap, vii on the enemies and diseases of shell- 
fish ; and chap, viii on their use as food. The illustrations are good and 
pertinent. 
• . (2) Catalogue des Especes Fran 9 aises appartenant aux Genres 
Pseuclanodonta et Anodonta. Ann. Soc. L. Lyon, xxxvi, pp. 50-285. 
With alphabetical index. 
Loens, H. (1) Zum Formen-Kreis des Avion subfuscus , Drap. Nachr. 
mal. Ges. 1890, pp. 155-161. 
. (2) Tauben als Schnecken-Ausrotter. T. c. p. 193. 
Loriol, P. de, & Koby, E. Etudes sur les Mollusques des Couches 
Coralligenes inferieures du Jura Bernois. Part i. Abh. Schw. pal. 
Ges. xvi, pp. 1-79, 9 pis. Part n. Op. cit. xvii, pp. 81-174, 9 pis. 
McCreery, J. M. Note on some of the Causes of Extinction of Species. 
Am. Geol. 1890, v, pp. 100-104. 
Causes usually a large number of small bionomic conditions. 
M’ Alpine, D. Continued Observations on the Progression and Rota- 
tion of Bivalve Molluscs and of detached ciliated Portions of them. 
P. R. Soc. Edinb. xvi, pp. 725-743, 2 pis. 
MTntosii, W. C. Notes from the St. Andrew’s Marine Laboratory 
(under the Fishery Board for Scotland). No. x. 3. On a Heteropod 
(Atlanta) in British Waters. Ann. N. H. v, pp. 47 & 48, pi. viii. 
Maltzan, H. von. Zwei neue Pw^a-Formen. Nachr. mal. Ges. 1890, 
p. 48. 
Marshall, J. T. (1) Further Notes on British Hydrobice. J. of Conch, 
vi, pp. 224 & 225. 
• . (2) Dredging off Connemara. T. c. p. 250. 
. (3) New British Marine Shells. T. c. pp. 260-264. 
On Eulima ephamilla and E. latipes (possibly E. distorta ), both from 
England. 
