TITLES. 
Moll. 7 
90. [Dall, W. H.] Description of a new species of Hyalina [sp. ?]. . 
Naut. v, p. 10, fig. 
91. . On [ Eutivela ] a new subgenus of Meretrix , with descriptions 
of two new species from Brazil. T. c. pp. 26-29, figs. 
92. . On some Marine Mollusks from the Southern Coast of Brazil. 
T. c. pp. 42-44. 
93. . Contribution & la faune malacologique terrestre des lies Gala- 
pagos. J. de Conch, xxxi, pp. 314-316. 
94. Dames, W. Orthoceratites vaginatus , Schloth. JB. Mineral. 1891, i, 
pp. 210 & 211. 
95. Dautzenberg, P. Voyage de la goelette Melita aux Canaries 
et au S6ndgal 1889-90. Mollusques testac6s. Mem. Soc. Zool. iv, 
pp. 16-65, 1 pi. 
96. . Contribution la faune malacologique du Golfe de Gascogne. 
T. c. pp. 604-619, 2 pis. 
-. [See Bucquoy and others (53).] 
97. Dean, G. W. On the distinguishing characters of Unio radiatus and 
U. luteolus. Naut. v, pp. 77 & 78. 
Dollfus, G. [See Bucquoy and others (53).] 
98. DouviLLis, H. Sur le Tissotia tissoti. Bull. Soc. G£ol. xix, pp. 
499-503, fig. 
99. . Sur les characteres internes des Sauvagesia. T. c. pp. 
669-672, figs. 
100. . Etudes sur les Rudistes — Revision des principales especes 
d ' Hippurites. Mem. Soc. Geol. No. 6, 31 pp., 3 pis. 
101. . Lamellibranches [Summary of the Palaeontological papers for 
1889]. Ann. G6ol. univ. Paris, vi, pp. 897-920. 
102. Dubois, R. Etude sur la nature des valves ou pieces accessoires 
chez les Pholadidce et sur l’importance que pr^sente la connaissance 
de leur texture histologique au point de vue de la classification. Bull. 
Soc. Mai. Fr. vii, pp. 349-358. 
103. Dybowskt, J. L’extreme sud Algerien — contributions h, l’histoire 
naturelle de cette region. N. Arch. Miss. Scient. i, pp. 319-372, 2 pis. 
Mollusca, by P. Fischer, pp. 361-368, 1 pi. 
104. Engel, — . Bemerkiingen zu etlichen Typen aus Quenstedt’s 
“ Ammoniten des Schwabischen Jura.” JH. Ver. Wiirtt. xlvii, pp. 
29-34, figs. 
105. Erlanger, R. von. Zur entwicklung von Paludina vivipara. 
Morph. JB. xvii, pp. 337-379 & 636-680, 6 pis., and Zool. Anz. xiv, 
pp. 68-70 & 280-283. Abstr. in J. R. Micr. Soc. 1891, pp. 329 & 
724, and 1892, p. 22. 
