436 Dr. W. Kobelt: Bericht über die wisseDschaftlichen Leistungen 



— a Census of the Molluscan Fauna of S. Australia p. 70 — 81. 

 Taylor, J. W., Helix cantiana monstr. sinistrorsum in England. In 



Journal of Conchol. Leeds VI p. 33. 



— Helix rotundata monstr. sinistrorsum. Ibid. p. 39. 



— Testacella scutulum Sow, in Renfrewshire. Ibid. p. 114. 

 Taylor, T. W., Helix virgata, var. radiata in the Isle of Wight. 



In Journal of Concholog. Leeds V p. 376. 

 Theobald, W., Index of the Genera and Species of Mollusca in the 



Handlist of the Indian Museum, Calcutta. Calcutta 1889. 52. 29 S. 

 Trinchese, S., Descrizione del nuovo genere Caloria, In Mem. Acad. 



Bologna IX p. 87—91. Con 1 tav. 

 Tryon, G. W., Manual of Conchology, structural and systematic. 



I vol. 11 Second, Series vol. III. Continuation by H. Pilsbry. 



Philadephia. 

 Twrdy, Konrad, die Schneckenfauna von Wien I. Leipzig 1889 8^. 

 Wattebled, G., Catalogue des Mollusques terrestres et fluviatiles, 



observes aux environs d'Auxonne (Cote-d'Or). In Journal de 



Conchyl. vol. 37 p. 306—363. 

 Walker, Bryant, Unio complanatus in Michigan. In the Nautilus 



volIII p. 16. 

 Westerlund, C. Ag., drei neue arktische Binnenconchylien. In 



Nachr.-Bl. D. mal. Ges. XX p. 167. 



— Fauna der in der palaearktischen Region lebenden Binnen- 

 conchylien. IL Helix. 8^ 473 p. 



Williams, J. W., Variation in the Mollusca and its probable cause. 

 In Science Gossip 1889. 



— Limnaea involuta probably a variety of L. peregra. In the 

 Zoologist p. 235. 



— Mollusca in the neighbourhood of London. Ibid. p. 236. 



— Mollusca of Stourport and District. Ibid. p. 383. 



— Note on a new species of Ampullaria from La Plata. In Ann. 

 Mag. N. H. 1880 II p. 47—49. 



— Descriptions of two new varieties of British Shells. In Mid. 

 Nat. 1889 p. 193. 



— two hitherto undescribed varieties of Limnaea stagnalis L. Ibid. 

 p. 104. 105. 



— Contributions torvards a future Knowledge of Worcestershire 

 Mollusca. In Journal of Concholog. VI p. 111 — 114. 



Wright, Berlin, H., a new Bulimulus from Florida. In the Western 

 American Scientist p. 8. 



1. Oeographische Terbreituiig. 



A. ßinnenconchi/lien. 



Palearktisches Reich. Nach Simrotli sind die ^^er Gruppen 

 der Gattung Vitrina Urap., die sich anatomisch unterscheiden lassen, 

 auch geographisch verschieden verbreitet: die der V. pellucida ist 

 arktisch-circumpolar, die der V. diaphana boreal, die der V. elongata 



