336 ^^'- ^ Kobelt: Bericht über die wissenscbaftl. Leistungen 



Koebuck, W. D., Possible occurrence of Bulimiis acutus in 

 Cumberland. In Naturalist p. 44. 



— Claus, rolphii at Well Vale, near Alford. Ibid. p. 198. 



— Conchological Field Notes from Upper -Swaledale. Ibid. 

 p. 229—233. 



— Concbology of Malham. Ibid. p. 263— 267. 



— tbe neglected Counties of Ireland. In Journ. of Concho- 

 logy VI, p. 282—286. 



Roper, E. W., tbe threatened Destruction of the Essex Oyster 

 Culture. In Trans. Essex Club IV, p. 41—50. 



— in a Maine Conchologists Hunting Grounds. — In Nautilus 

 vol. III, p. 97. 



— Notes on Spbaerium secure Prime. — Ibid. vol. IV, p. 39. 



— a new american Pisidium. Ibid. p. 85. 



Ross, L. B., Shells in Mr. Mortimers Collection at Driffield. 

 In Naturalist 1890, p. 209. 



— Species noted at Lowthorpe and Driffield. Ibid. p. 206, 207. 

 Sampson, F. A., Shells within city limits. In Nautilus 



Yol. IV, p. 82. 



Scharff, R. F., an excursion to Co. Donegal. — In Journal 

 of Conchol Leeds VI, p. 105. 



— Arion minimus a british slug. Ibid. p. 267. 

 Schepman, M. M., Description of a New Species of Oliva. 



In Notes Leyden Mus. XII, p. 196. 



Schmacker, B., und Boettger, 0., Neue MateriaKen zur 

 Characteristik und geographischen Verbreitung chinesischer und 

 japanesischer BinnenmoUusken. Mit zwei Tafeln. — In Nachr. Bl. 

 D. Mal. Ges. XXII, 1890, p. 1—29, 113—137. 



Schröder, R., Beiträge zur Kenntniss der Oberitalienischen 

 Molluskenfauna. In Schriften d. nat. Ver. Harzes III, p. 25—43, 

 V, p. 37—43. 



Servain, G., les Acephales Lamellibranches du Systeme euro- 

 peen. — In Bull. Soc. Mal. France VII, p. 281—323, pl. 5—7. 



Sharp, B., Variations on Bulimulus exilis. In Proc. Acad. 

 Philad. 1890, p. 148. 



Shimek, B., a new species of Fresh- water Mollusk. — In 

 Bull. Lab. Nat. Eist. Jowa I, p. 214. — Cfr. Nautilus IV, p. 48. 



Simpson, Charles T., Notes on Bulimulus Dormani W. G. B. 

 — In Nautilus vol. VI, p. 79. 



Simroth, D. H., über die morphologische Bedeutung der 

 Weichthiere. Hamburg gr. 8^, 40 p. 



— über einige Aetherien von den Congofällen. In Zoolog. 

 Anzeiger XIII, p. 662—664. 



