Index to the Nautilus 



Surface sculpture in Ancylus. Vol. 16, No. 8, p. 85, 1902. 



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



No. 11, p. 121, 1903. 

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

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

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



1904. 



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

 1904. 



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

 1904. 



New species of Somato gyrus . Vol. 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 Amnicolidae. Vol. 19, No. 9, 

 p. 97, 1906. 



New and little known species of Amnicolidae. Vol. 19, No. 10, 



p. 114, 1906. 

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

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

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

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

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

 Pomatiopsis robusta n. sp. Vol. 21, No. 9, p. 97, 1908. 

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

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

 New species of Ancylidae. Vol. 21, No. 12, p. 138, 1908. 

 New Amnicolidae from Alabama. Vol. 22, No. 9, p. 85, 1909. 

 Notes on Planorbis II; P. bicarinatus. Vol. 23, No. 1, p. 6, 1910. 

 Notes on Planorbis II; P. bicarinatus. Vol. 23, No. 2, p. 21, 1909. 

 On the validity of Unio undatus Barnes. Vol. 24, No. 1, p. 6, 



1910. 



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

 1910. 



A new species for the United States fauna. Vol. 24, No. 1, 



p. 11, 1910. 

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



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