Index to the Nautilus 



Surface sculpture in Ancylus. Vol 16, Xo. 8, p. 85, 1902. 



On the specific validity of Campeloma milesii Lea. Vol 16, 



No. 11, p. 121, 1903. 

 Notes on Eastern American AncyJi. Vol. 17, No. 2, p. 13, 1903. 

 Notes on Eastern American AncyJi. Vol. 17, No. 3, p. 25, 1903. 

 Notes on Eastern American Ancyli. (2) Vol. 18, No. 2, p. 16, 



1904. 

 Notes on Eastern American AncyJi. (2) Vol. 18, No. 3, p. 25, 



1904. 

 Notes on Eastern American AncyJi. (3) Vol. 18, No. 7, p. 75, 



1904 

 New species of .So wa/0(^'v/-//5. \'ol. 17, No. 12, p. 133, 1904. 

 List of shells from Northwestern Florida. Vol. 18, No. 12, 



p. 133, 1905. 

 A new species of Medionidus. Vol. 18, No. 12, p. 136, 1905. 

 New and little known species of AmnicoJidae. \o\. 19, No. 9, 



p. 97, 1906. 

 New and little known species of AmnicoJidae . \'o\. 19, No. 10, 



p. 114, 1906. 

 Notes on VaJvata. Vol. 20, No. 3, p. 25, 1906. 

 A list of shells from Nebraska. Vol. 20, No. 7, p. 81, 1906. 

 A new species of Segmenthta. Vol. 20, No. 11, p. 122, 1907. 

 Notes on GiindJacJiia. Vol. 21, No. 2, p. 14, 1907. 

 Notes on PJanorbis. Vol. 21, No. 6, p. 61, 1907. 

 Pomatiopsis robusta n. sp. \'ol. 21, No. 9, p. 97, 1908. 

 On certain immature AncuJosae. Vol. 21, No. 10, p. 110, 1908. 

 New species of AncyJidae. Vol. 21, No. 11, p. 126, 1908. 

 New species oi AncyJidae. Vol. 21, No. 12, p. 138, 1908. 

 New AmnicoJidae from Alabama. \'ol. 22, No. 9, p. 85, 1909. 

 Notes on PJanorbis II; P. bicarinatiis. Vol. 23, No. 1, p. 6, 1910. 

 Notes on PJanorbis II ; P. bicarinatiis. Vol. 23, No. 2, p. 21, 1909. 

 On the validity of Unio undatns Barnes. \o\. 24, No. 1, p. 6, 



1910. 

 On the validity of Unio undatns Barnes. Vol. 24, No. 2, p. 16, 



1910. 

 A new species for the United States fauna. V'ol. 24, No. 1, 



p. 11, 1910. 

 A new SpatJia. Vol 24, No. 4, p. 38, 1910. 



96 



