Mollusca. 



450 



24715Keyes, Charles R. 1894. Derivation of the Unione Fauna of the Northwest. 



Proc. Iowa Acad. Sc. Vol. 1. P. 4. 1893. p. 25-29. [594.121. 



16 Murray, J. A. 1898. Contribution to a knowledge of the Nebenkern in the 



Spermatogenesis of Pulmonata. Helix and Arion. With 2 pis. Zool. Jahrbb. 

 Abth. f. Anat. II. Bd. 4. Hft. p. 427-438, 439-440. [594.3804622. 



17 Linden, Maria Gräfin v. 1898. Unabhängige Entwicklungsgleichheit bei 



Schneckengehäusen. Biol. Centralbl. 18. Bd. No. 19. p. 697-703. [594.3049. 



18 Simroth, H. 1898. Nachträgliche Bemerkung zu dem Aufsatz »über die mög- 



liche oder wahrscheinliche Herleitung der Asymmetrie der Gastropoden«. 

 Biol. Centralbl. 18. Bd. No. 19. p. 695-696. [594.30499. 



19 Standen, R. 1898. Notes on the Land Mollusca of Grange-over-Sands, Lanca- 



shire. Journ. of Conchol. Vol. 9. No. 4. p. 113-114. [594.3(4272). 



20 Simroth, H. 1898. Neuere Arbeiten über nackte Pulmonaten. Zusammen- 



fassende Übersicht. Zool. Centralbl. 5. Jhg. No. 20. p. 641-660. [594.38. 



21 Kobelt, W., und 0. von Möllendorff. 1898. Catalog der gegenwärtig lebend 



bekannten Pneumonopomen. (Fortsetz.) Nachrichtsbl. d. d. Malak. Ges. 30. Jhg. N0.9/10. 

 (p. 129-144.) [594.38. 

 v. 23551. 



22 Bontan, Louis. 1898. Sur le développement de VAcmaea Virginea. C. R. Ac. 



Sc. Paris, T. 126. No. 26. p. 1887-1889. [594.3 A. 



Burne, R. H. 1898. Reno-pericardiac Pore in Ampullaria urceus. Abstr. Journ. 

 R. Micr. Soc. London, 1898. P. 4. p. 416. [594.3 A. 



(Proc. Malacol. Soc.) — v. 22444. 



24723 Pilsbry, Henry A. 1898. Phylogeny of the genera of Arionidae. With 1 pl. 



Proc. Malacol. Soc. London, Vol. 3. No. 2. p. 94-104. [594.3 A. 



24 Adams, Lion. E. 1898. Arion ater var. rubra Baud. ? new to Britain. Journ. of 



Conchol. Vol. 9. No. 4. p. 112. [594.3 A. 



25 Moore, J. E. S. 1898. Descriptions of the genera Bathanalia and Bythoceras 



from Lake Tanganyika. With 3 figg. Proc. Malacol. Soc. London, Vol. 3. No. 2. 

 p. 92-93. [594.3 ß. 



26 da Costa, S. J. 1898. Remarks on some Species of Bulimulus, Sect. Dry- 



maeusy and Descriptions of new Species of Land-Shells from Bolivia, Ecua- 

 dor, and the U. S. of Colombia. With 1 pl. and 2 figg. in the text. Proc. 

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(12 nn. spp.) 



27 Sykes, E. R. 1898. List of the Species of Cataulus found in Ceylon, with 



Descriptions of some new Landshells from that Island. With 1 pl. Proc. 

 Malacol. Soc. London, Vol. 3. No. 2. p. 65-74. [594.3 C. 



(27 [15 nn.] spp.) 



28 Sykes, E. R. 1898. New Species of Clausilia from China. With 5 figg. Proc. 



Malacol. Soc. London, Vol. 3. No. 2. p. 63-64. [594.3 C. 



[Cl. timalthea, C. labyrinthoides.) 



29 Adams, Lion. E. 1898. Clansilia caerulea Fér. in Hants. Journ. of Conchol. Vol. 9. 



No. 4. p. 112. [594.3 C. 



24730 Smith, Edg. A. 1898. Notes on the genus Coxiella. Proc. Malacol. Soc. London, 



Vol. 3. No. 2. p. 75-76. [594.3 C. 



(3 spp.) 



31. X. 1898. 



I 



