74 



J 93" Bucciuuni Pullus? 



1938 iieriteum, three varieties, or perhaps 



distinct species 



1939 plumheum, Chcmn. xi. 1. 188, f. 1806, 



1807 



1940 Lima, Chemii. xi. t. 188, f. 1808, 1809 



1941 liueatuni, Murcx lincatus, Chemn. Xi 



t. 164, f. 1572 



1942 varicosuni, varicosus Chemn. x. 



t. 162, f. 1546, 154/ 



1943 turgiduni, Dillw. 



1944 Australe, Chemn. x. t. 154, f. 1477 



1945 cassidexnn, Chcmn. x. t. 153, f. 1463, 



1464 



1946 Cochlidium ? Dilhv. and Chemn. 



194/ 



liMS 



1949 



1950 Huniphreysianum, Bennet in Zool. 



Journ. vol. i. 



1951 



1952 



1953 



1954 



1955 



1956 



1957 



1958 mclanostoma 



EBUR.NA. 



Ohs. While wc gladly adopt the improvement, 

 suggested by ourselves and established by 

 Mr. Swainson, of separating Lamarck's i^6/<r- 

 ?/« glahrata from the other shells included by 

 Lamarck in his genus Eburna and placing it 

 with Ancilla, to wliich it naturally belongs; 

 we regret that we cannot approve his reasons 



