TITLES. • f 
Moll. 33 
614. *Vivaldi, M. & Rodella, A. Die Austerninfektionen. Hyg. 
Rundsch. xv, pp. 174-185. [Fide Bibl. Zool. xb p. 197.] 
015. Vijfes, F. Sur un nouvol organo sensitif do Nucula nucleus L. Bull. 
Soc. zool. France xxx, pp. 88-90, ,fig. 
Vl&s, P. [See Vigier & Vl^s (610).] 
616. *Voinea, J. Ueber die Entwicklung der Kiemen der Najaden. 
Munich, 1905, 45 pp., 4 pis. 
617. Wagner, A. J. Helicinenstudion. Dcnk. Ak. Wien lxxvii, pp, 357- 
450, 7 pis. 
618. . Helicinenstudien. Monographic der Genera Palceohelicina 
A. J. Wagner und Helicina Lamarck. Op. cit. lxxviii, pp. 203-248, 
5 pis. [abstract in Anz. Ak. Wiss. 1905, pp. 215-218]. 
619. Wagner, G. On an interesting fossil Unio from Wisconsin. 
Nautilus xviii, pp. 97-100, pi. v^i. 
620. Walker, B. List of shells from Northwestern Florida. T. c. 
pp. 133-136, pi. ix. 
621. . A new species of Medionidus [J/. simpsonianus , Georgia]. 
T. c. pp. 136 & 137, pi. ix. 
622. * . The origin and distribution of the land and frosh-water 
Mollusca of North America. Rep. Michigan Ac. i, pp. 43-61. 
623. Wardle, T. The Wardlo collection of Carboniferous Limestone 
Fossils (chiefly North Staffordshire). Leek, 8vo, 1905, 14 pp. 
624. Weaver, C. E. Contribution to the Palaeontology of the Martinez 
group. Bull. geol. Univ. Calif, iv, pp. 101-123, pis. xii & xiii, 
625. Webster, W. H. Some new species of New Zealand marine shells, 
together with remarks on some non-marine species, and some additions 
to the “Index Faunae.” Tr. N, Zealand Inst, xxxvii, pp. 276-280, 
pis.- ix & x. 
626. Wegner, T. Die Granulaten kreide des westlichen Miinsterlandes. 
Zeitschr. Deutsch. geol. Ges. lvii, pp. 112-232, pis. vii-x. , > ' 
627. Welch, R. Helix (. Helicella ) zakkarensis Kobelt. Rep. Belfast 
Club v, pp. 222 & 223. 
628. . Fresh-water shells in Masses in Shell-marl. J. Conch, xi, 
p. 191. * 
629. Weller, S. The Batesville Sandstone of Arkansas. Tr. N. York 
Ac. xvi, pp. 251-282$ pis. xix-xxi [1898]. 
630. . The Fauna of tho Cliffwood Clays. Rep. geol. Surv. New 
Jersey 1904, pp. 133-144, pi. xv. 
631. Westerlund, C. A. Sveriges, Norges, Danmarks och Finlands 
Land och Sotvattens-Mollusker. Excursions-fauna (1884). Tillagg. 
Stockholm, 1904, 48 pp. 
632. White, C. A. The ancestral origin of the North American Unionidce. 
Smithson. Miscell. Coll, xlviii, pp. 75-88, pis. xxvi-xxxi. 
633. Whiteaves, J. F. Notes on some fresh-water shells from the Yukon 
Territory. Nautilus xix, pp. 1-3. Reprinted in Ottawa Natural, xix, 
pp. 63-65. 
634. . List of a few species of land and fresh-water shells from the 
immediate vicinity of James Bay, Hudson Bay. T. c. p. 4. Re- 
printed in Ottawa Natural, xix, p. 66. 
1905. [VOL. XLII.] D 3 
