IXDEX TO THE XaUTILUS 



Guatemalan notes. Vol. 33, No. 3, p. 79, 1920. 

 Hodgson collection. Vol. 33, No. 3, p. 105, 1920. 

 Guatemala Mollusca. Vol. 34, No. 2, p. 37, 1920. 



HiRASE, Y. 



A Conchological Museum for Japan. Vol. 23, No. 10, p. 124, 



1910. V/oU.<o.P"^^' (2B0.«%'^reKW^-b>( .'.4\. 



HODGSOX, C. S. 



The rate of growth of Helices. Vol. 8, No. 7, p. 82, 1894. 

 A large pearl. Vol. 16, No. 5, p. 60, 1902. 

 Howard, Arthur D. 



Some exceptional cases of breeding among the Uniojtidae. 

 Vol. 29, No. 1, p. 4, 1915. 

 Humphreys, E. W. 



Recent freshwater fossils from Bronx Borough, New York City. 

 Vol. 23, No. 1, p. 10, 1909. 

 Ihering, H. von 



Observations on the Helices of New Zealand. Vol. 6, No. 11, 



p. 121, 1893. 

 The Unionidae of North America. \'ol. 15, No. 4, p. 37, 1901. 

 The Unionidae of North America. Vol. 15, No. 5, p. 50, 1901. 

 Description of two new species of Potamolithus. Vol. 24, No. 2, 



p. 15, 1910. 

 Loboa bninoi, a land shell from the Brazilian island of Trinity. 

 Vol. 30, No. 11, p. 121, 1917. 

 Iredale, Tom 



Some notes on PyramideUid nomenclature. Vol. 24, No. 5, 



p. 52, 1910. 

 The generic name to be used for Miirex tritonis Linne. Vol. 27, 

 No. 5, p. 55, 1913. 

 Jacksox, Hexrv Jr. 



The difference between the two New England species of Acmaea. 



Vol. 21, No. 1, p. 1, 1907. 

 Errata to preceding paper. Vol. 21, No. 2, p. 24, 1907. 

 The Mollusca of North Haven, Maine. Vol. 21, No. 12, p. 

 142, 1908. 

 Jacot, Arthur 



Marine Mollusca about New York City. Vol. 32, No. 3, p. 90. 

 1919. 



50 



