282 REPORT ON NATIONAL MUSEUM. 



Dall, William Healey. — Disease in oysters. 



(Science, vol. I, p. 316.) 



Venus mercenaria in Britain. 



(ibid., p:316.) 



Large American pearls. 



(Ibid., p. 371.) 



Ottawa Unionidaj. 



(Ibid., p. 371.) 



Fossils of the Kizzolo clays. 



(Ibid., p. 371.) 



White's Fossil [non-marine] mollusks of Hbrth America. 



(Ibid., p. 425.) / 



The position of Ehodope. 



(Ibid., p. 443.) 



Fischer's Manuel de Conchyliologie. 



(Ibid., p. 443.) 



Anatomy of Parmacella. 



(Ibid., p. 443.) 

 Curious slug from Madagascar. 



(Ibid., p. 443.) 



Italian limaces. 



(Ibid., p. 466.) 



Molluscan fauna of Sardinia. 



(Ibid., p. 466.) 



East Indian Pulmonata. 



(Ibid., p. 466.) 



Snails used for food in Spain. 



(Ibid., p. 492.) 



Extraordinary Eulima. 



(Ibid., p. 492.) 



Arctic mollusks. 



(Ibid., p. 492.) 



North German miocene. 



(Ibid., p. 492.) 



Variations in Unionidae. 



(Ibid., p. 523.) 



— — — Action of the heart [in Helix] during hibernation. 

 (Ibid., p. 523.) 



