Index to the Nautilus 



The anatomy of Ilyridella australis. \'o\. 25, No. 9, p. 100, 



1912. 

 Cumberland in, a new genus of Naiades. Vol. 26, No.. 2, p. 13, 



1912. 

 Lampsilis ventricosa in the Upper Potomac Drainage. \'ol. 26, 



No. 5, p. 51, 1912. 

 Studies in Naiades. Vol. 27, No. 8, p. 88, 1913. 

 Studies in Naiades. Vol. 28, No. 2, p. 20, 1914. 

 vStudies in Naiades. Vol. 28, No. 3, p. 28, 1914. 

 Studies in Naiades. Vol. 28, No. 4, p. 41, 1914. 

 Studies in Naiades. Vol. 28, No. 6, p. 65, 1914. 

 Studies in Naiades. Vol. 28, No. 9, p. 106, 1915. 

 vStudies in Naiades. Vol. 28, No. II, p. 129, 1915. 

 vStudies in Naiades. Vol. 28, No. 12, p. 141, 1915. 

 vStudies in Naiades. Vol. 29, No. 6, p. 63, 1915. 

 Studies in Naiades. Vol. 30, No. 5, p. 54, 1916. 

 The anatomy of Lemiox rimosiis Rafinesque. Vol. 30, No. 4, 



p. 39, 1916. 

 The anatomical structure of Gonidea angiilata. Vol. 30, No. 5, 



p. 50, 1916. 

 The anatomy of the Nayad Ilyriopsis myersiana. \o\. 30, No. 



8, p. 85, 1916. 

 The anatomy of Contradens cambojensis vSowerby (Nayades). 



Vol. 30, No. 9, p. 106, 1917. 

 A new type of the Naiad-genus Fnsconaia. Vol. 31, No. 2, 



p. 58, 1917. 

 The anatomy of two African Naiades. \'ol. 31, No. 3, p. 75, 



1918. 

 The identity of the Naiad genus Nodularia Conrad with Unio 



Retz. Vol. 31, No. 4, p. 128, 1918. 

 The systematic position of mussels from the Ozarks. Vol. 32, 



No. 1, p. 13, 1918. 

 The anatomy of certain mussels from the Upper Tennessee. Vol. 



34, No. 3, p. 81, 1921. 

 A new locality for Arkansia wheeleri Ortmann & Walker. \*ol. 



34, No. 4, p. 141, 1921. 

 Ortman.n, Arnold E. and Walker, Bryant 



A new North American Naiad. \'ol. 25, No. 9, p. 97, 1912. 



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