The Nautilus. 



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



NEW UNITED STATES PUPID^. 



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

 scribed during the past year in 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 Sterki. See The Nautilus for June, 

 1890, p. 19. 



Fig. 3. Vertigo rugulosa Sterki. The Proceedings of the Phila- 

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



Fig. 4. Pupa Clementina Sterki. 



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



Fig. 6. Pu^m Hemphiili Sterki. The Nautilus, July, 1890, 

 p. 27. 



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



o 

 O. 



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



NOTES ON SPH^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 



