TITLES. 
Moll. 27 
417. [Tiiiele, J.] Ueber die Zungen einiger Landdeckelschnecken. 
Nachrbl. deutsch. malak. Ges. 1894, pp. 23-25. 
418. Thurston, E. Pearl and Chank Fisheries of the Gulf of Manaar. 
Madras Govt. Museum Bull. No. 1, 62 pp., 5 pis., 2 diags. 
419. Tornquist, A. Proplanuliten aus dem westeuropaischen Jura. 
Zeitschr. deutsch. geol. Ges. xlvi, pp. 547-579, 3 pis. 
420. Toureng, — . Sur le systeme nerveux du Dreissensia polymorpha. 
C.R. Ac. Sci. cxviii, p. 544. Abstr. in J. R. Mici*. Soc. 1894, p. 328. 
421. . Sur l'appareil circulatoire du Dreissensia polymorpha. T.c. 
pp. 929 & 930. 
422. Trinciiese, S. Nuove osservazioni sulla Placida viridis. Mem. 
Acc. Bologna, iii, 1893 (1894), pp. 237-245, 1 pi. 
423. . Nervi motori e sensitivi del Phyllobranchas borgninii, Th. 
Rend. Acc. Napoli, 1894, pp. 190 & 191. 
424. Tryon's Manual of Conchology . . . Continuation by H. A. 
Pilsbry. Yol. xv (pts. 58, 59), pp. 65-180, pis. xi-xlii. Polyplaco- 
phora (concluded), Opisthobranchiata (Actoconidee). 
425. . Second series, Pulmonata. Yol. ix (pts. 34, 35), 
pp. 49-160, pis. xv-xl. ( Hclicidce , vol. vii.) 
426. TyE, G. S. On a case of protective resemblance among Slugs. 
J. Malac. iii, pp. 21 & 22. 
427. *Ulicny, J. Mekkysi Cesti (Mollusca Bohemiae). ill. Succinidce ) 
Auricididce , Limnceidce , Truncatellidce, Paltidinidce, Valvatidce. Praze : 
1894, 8vo, pp. 99-142, figg. 
In Bohemian. 
428. Ulrich, A. Beitrage zur Mollusken-Fauna der Kantone Appen- 
zell und St. Gallen. Ber. St. Gall. Ges. 1892-3 (1894), pp. 301-326. 
429. Yarigny, II . de. Recherches sur le nanisme experimental ; con- 
tribution a l’etude de l’influence du milieu sur les organismes. 
J. Anat. Physiol, xxx, pp. 147-188, figg. Abstr. in Nat. Sci. v, 
pp. 167— 
The experiments were conducted with Limnceidce. 
430. Vayssiere, A. Etude zoologique de la Scissurella cosiata, var. 
Icevigata. J. Concbyl. xlii, pp. 19-29, 1 pi. 
431. Walker, B. Shells of the Saginaw Yalley, Michigan. Nautilus, 
vii, pp. 125-129. 
432. Webb, H. M. Pleistocene non-Marine Mollusca from Walton-on- 
the-Naze. Essex Natural, viii, pp. 160-162. 
433. Weiss, A. Die Concbylienfauna der altpleistocaenen Travertine 
des Weimarisch-Taubacher Kalktuffbeckens und vergleich der Fauna 
mit gequivalenten Pleistocaenablagerungen. Nachrbl. deutsch. malak. 
Ges. 1894, pp. 145-163 & 185-190. 
