Index to the Nautilus 



Additional shells found in Aroostook Co., Maine. \'oI. 22, 



No. 2, p. 19, 1908. 

 A note on Helix hortensis. Vol. 22, No. 3, p. 30, 1908. 

 Fossil and living shells found in Little Mud Lake, W'estmanland, 



Aroostook Co., Maine. Vol. 22, No. 10, p. 105, 1909. 

 Shells of Aroostook Co., Maine. Vol. 22, No. 12, p. 143, 1909. 

 Lymnaeidae of Aroostook Co., Maine. \'ol. 25, Xo. 9, p, 107, 



1912. 

 Shells of the St. John's River, in Maine, New Brunswick, and 



Quebec. Vol. 27, No. 12, p. 139, 1914. 

 Fresh-w-ater shells in Moose River, Somerset Co., Maine. 



Vol. 28, No. 8, p. 89, 1914. 

 Lymnaea emarginata mighelsi absent in its old localities. Vol. 28, 



No. 8, p. 95, 1914. 

 The type localities of Lymnaea emarginata and L. ampla. Vol. 



34, No. 3, p. 77, 1921. 

 Collecting shells on the east coast of Florida. \'ol. 34, No. 4, 



p. 119, 1921. 

 Oldroyd, (Mrs.) Ida Shepard 



A new variety of Cypraea. Vol. 29, Xo. 9, p. 107, 1916. 



A new Californian Sigaretus. Vol. 31, No. 1, p. 13, 1917. 



List of shells from Angel and Tiburon Islands. Vol. 32, No. 1, 



p. 26, 1918. 

 A new species of Cuspidaria. Vol. 32, No. 1, p. 28, 1918. 

 Some rare shells collected in Puget Sound, Wash., July, 1918. 



Vol. 32, No. 3, p. 105, 1919. 

 New species of West Coast shells. Vol. 32), No. 4, p. 135, 



1920. 

 A new Peruvian Chione. Vol. 34, No. 3, p. 93, 1920. 

 Oldroyd, Tom S. 



Collecting shells from the Abalone. Vol. 25, No. 7, p. 73, 



1911. 

 A Summer's collection at Friday Harbor, Washington. Vol. 



31, No. 3, p. 95, 1918. 

 Olivella biplicata angelena, var. nov. V^ol. 32, No. 1, p. 34, 1918. 

 New Pleistocene mollusks from California. Vol. 34, No. 4, 



p. 114, 1921. 

 Some varities of western Olivellas. \o\. 34, No. 4, p. 117, 1921. 



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