o.'l 



The Nautilus. 



Vol. IV. AUGUST, 1890. No. 4. 



NEW UNITED STATES PTJPIDiE. 



The plate opposite this page illustrates the species of Pupidse de- 

 scribed during the past year iu the pages of The Nautilus, by Dr. 

 V. Sterki and others. The illustrations have been very kindly 

 loaned by Mr. W. G. Binney. 



Fig. 1. Vertigo Binneyana Sterki described in the Proceedings 

 of the Academy of Natural Sciences of Philadelphia. See also The 

 Nautilus, March, 1889, p. 125. 



Fig. 2. Vertigo Dalliana '^tevVi. See The Nautilus for June, 

 1890, p. 19. 



Fig. 3. Vertigo rugnlosa ^tQvk\. The Proceedings of the Phila- 

 delphia Academy. 1890, contain the descrijjtion of this form. 



Fig. 4. Pupa Clementina Sterki. 



Fig. 5. Pupa Oscariana Sterki. Described in The Nautilus. 



Fig. 6. Pupa Hemphilli Sterki. The Nautilus, Jul}^, 1890, 

 p. 27. 



Fig. 7. Pu2ya syngenes Pilsbry. The Nautilus, May, 1890, p. 

 3. 



The figures are from drawings bv Dr. Sterki. — H. A. P. 



NOTES ON SPH.a:RIUM SECURE PRIME. 



BY EDWARD W. ROPER, 



The most common New England Sphcerium, and the one most 

 often incorrectly identified is S. secure Prime. It flourishes equally 



