24 THE NAUTILUS. 



and Paul Bartsch (Proc. U. S. Nat. Mus., vol. 40, May 8, 1911). 

 The new forms are : 



Mitra haycocki. Cerithiopsis movilla. 



Columbella somersiana. Cerithiopsis ara. 



Aclis bermudensis. Cerithiopsis pesa. 



Turbonilla bermudensis. Fissuridea bermudensis. 



Turbonilla peilei. Odostomia nioba. 



Turbonilla haycocki. Ischnochiton bermudensis. 



Columbella somersiana is a remarkably large form of the Merca- 



toria group, described from an immature shell 24 mm. long. All 

 the species are well illustrated. 



BIBLIOGRAPHY OF THE SCIENTIFIC WRITINGS OF R. E. C. 

 STEARNS. By Miss Mary R. Stearns; with biographical sketch by 

 William H. Dall (Smithsonian Misc. Coll., vol. 56, no. 18, 1911). 

 156 papers are recorded as published during a long life of varied scien- 

 tific activities, 111 relating to Mollusca, the others divided between 

 Ccelenterata, Agriculture, Forestry, Ethnology, et cetera. Many of 

 Dr. Stearns's shorter articles were published in the NAUTILUS. A 

 good portrait, probably sat for about 1895, illustrates this paper, 

 which will be especially useful to those working with west coast 

 mollusks. 



NOTES. 



Note on Lymnaa florissantica. In his very valuable work on the 

 Lymngeiclae, Mr. F. C. Baker has made a curious error in reference 

 to Lymncea florissantica. I sent him a photograph I happened to 

 have representing the cast of the body whorl of the type, in the 

 American Museum of Natural History. Through some misunder- 

 standing, he figured as the fossil a shadow on the photograph, which 

 accidentally resembles a shell. We have here at the University of 

 Colorado the reverse of the specimen photographed, showing the 

 outline nearly complete, the spire, etc., and also a more perfect but 

 smaller specimen collected since. These confirm my original con- 

 ception of the shell, and show that it does not at all resemble L. 

 palustris. It is proposed to publish good figures in connection with 

 a general account of the fossil land and freshwater mollusca of Colo- 

 rado, later in the year. 



It is worth while to add that L. florissantica shows a very strong 

 general resemblance to Lymncea pachygaster (Thome), which I col- 

 lected in the Miocene beds at Wangen, Baden, the year before last. 



The types of L. scudderi and sieverti&rQ at the American Museum 

 of Natural History, not at the University of Colorado, as Mr. Baker 

 has it. T. D. A. COCKERELL, University of Colorado, Boulder. 



