Index to the Nautilus 



Note on Valvata micra Pils. & Fcrr. Vol. 30, No. 7, p. 83, 1916. 

 Planorhis dilaiatus and P. sampsoni. \'o\. 30, No. 8, p. 95, 1916. 

 Rafinesque's genera of freshwater snails. Vol. 30, No. 10, p. 109, 



1917. 

 A new Hemphillia. Vol. 30, No. 10, p. 117, 1917. 

 Philomynis in Arizona. Vol. 30, No. 10, p. 119, 1917. 

 A new Ilolospira from Chihuahua. Vol. 30, No. 1 1, p. 125, 1917. 

 Amnicolidae from Oneida Lake, New York. Vol. 31, No. 2, p. 



44, 1917. 

 A new South African Nesopupa. Vol. 31, No. 2, p. 50, 1917. 

 A new Cuban Zachrysia. Vol. 31, No. 3, p. 78, 1918. 

 Reichenbach's Zoologie. Vol. 31, No. 3, p. 79, 1918. 

 Descriptions of new species of Mopalia and Trachydermon. Vol. 



31, No. 4, p. 125, 1918. 

 Viviparus contectoides limi, new name for V. c. compactiis Pilsbry. 



Vol. 32, No. 2, p. 71, 1918. 

 Nenia cooki n. sp. Vol. 32, No. 3, p. 80, 1919. 

 Types of generic names proposed for Achatinae. Vol. 32, No. 3, 



p. 98, 1919. 

 Elizabeth Letson Bryan (Obituary). Vol. 32, No. 4, p. 142, 1919. 

 A new California Micrarionta. Vol. 33, No. 2, p. 53, 1919. 

 A new Chinese Claiisilia. Vol. 33, No. 2, p. 53, 1919. 

 Shells from the Chiricahua Mountains, Arizona. Vol. 33, No. 2, 



p. 70, 1919. 

 Auriculidae and Planorhidae from Panama. Vol. 33, No. 3, p. 76, 



1920. 

 Review of the ThysanopJwra plagioptycha group. \'ol. 33, No. 3, 



p. 93, 1920. 

 William Wilder (Obituary). Vol. 34, No. 3, p. 101, 1921. 

 Note on a variety of Ligutis. Vol. 34, No. 4, p. 140, 1921. 

 Pilsbry, Henry Augustus and Bryan, Elizabeth Letson 

 Notes on some Hawaiian species of Dnipa and other shells. 



Vol. 31, No. 3, p. 99, 1918. 

 Pilsbry, Henry Augustus and Clapp, George H. 



New land shells from the Santa Marta Mts., Colombia. Vol. 15, 



No. 12, p. 133. 1902. 

 Shells collected at Balsas, Guerrero, Mexico. Vol. 22, No. 11, 



p. 114, 1909. 



■74 



