LIST OF PUBLICATIONS, CONCHOLOGICAL JOURNALS. Moll. 13 
[Weinkauf, H. C.] Genus Litorina , 1. c. pt. 315, pp. 41-72, pis. vi -xi., 
and pt. 318, pp. 73-114, pis. xii.-xiv. 
. Catalog der Gattung Ovula. JB. mal. Ges. ix. pp. 171-179. 
Wetherby, A. G. Distribution of Margaritana margaritifera „ Am. 
Nat. xvi. pp. 675 & 676. 
. On the Geographical Distribution of certain Fresh- water Mollusca 
of North America, and the probable causes of their variation. 
J. Cincinu. Soc. iv., Oct. & Dec., 1881, and Am. J. Sci. (3) xxiii. 
pp. 203-212. 
Whitfield, R. P. Description of Lymncea ( Bulimnea ) megasoma 
(Say). Bull. Am. Mus. Nat. Hist, i., No. 2, pp. 29-37, pi. v. 
Wilcock, J. Yorkshire localities for Sphcsrium and Pisidium. J. of 
Conch, iii. pp. 327 & 328. 
Wood-Mason, J. On the structure of the Foot in certain terrestrial 
Gasteropoda. P. A. S. B. 1882, pp. 60-62. 
CONCHOLOGICAL JOURNALS. 
Journal de Conchy liologie par M. Crosse & P. Fischer, vol. xxx. or 
(3) xxii., 1882, 354 pp. 14 pis. 
Malakozoologische Blatter, continued by S. Clessin (2) v. Cassel, 
193 pp. 4 pis. 
Proces-verbaux de la Societe malacologique de Belgique, xi., 1882, 
40 pp. 
Jahrbuch der deutschen Malakozoologiscken Gesellschaft, vol. ix. 
386 pp. 11 pis. 
Nachricbtsblatt der deutschen Malakozoologischen Gesellschaft, redi- 
girt von W. Kobelt, xiv. Jahrgang, 1882, 192 pp. 
The Journal of Conchology, vol. iii., Nos. 9-12, January- October, 
1882, 8vo, pp. 257-384. [Nos. 11 & 12, pp. 321-384, really published in 
March, 1883.] 
Bullettino della Society malacologica Italiana, vol. viii. 1882, 384 pp. 
9 pis. 
W. H. Dale gives a very interesting general review of what has been 
accomplished in America towards a knowledge of the biology and geo- 
graphical distribution of the MollUsksof that continent, and suggests how 
much remains to be done not only there but elsewhere, for a better under- 
standing of the causes of many long-known facts — for instance, the 
colour and sculpture of shells; he thinks that struggle for existence will 
not suffice to explain all, especially in marine Mollusca. Address before 
the Section of Biology, Americ. Assoc., Montreal meeting, 1882. — Abstract 
in Nachr. mal. Ges. 1882, pp. 145-149. 
Paul Fischer continues his very valuable Manual of Conchology \cf. 
Zool. Rec. xviii .Moll. p. 10]; part 4 contains hints for collecting, and 
the Cephalopods ; part 5 the Pteropods and Pulmonates. The arrange- 
ment of the text is somewhat like that in Woodward’s Manual, but it is 
