THE NAUTILUS. 95 



Since writing you last, I have collected 208 living Vitrina Ihn- 

 pida Gld. The last time I was out. a friend and myself collected 

 70 in an hour, and only took the large-^t specimens. 



— Geo. H. Clapp, Pittsburg, Pa. 



Ox Land and Fresh Water Mollusca of Lower Califor- 

 nia, by Dr. J. G. Cooper (Calif 'a Acad. Sci. III). In this paper 

 several very interesting species are described and figured. Among 

 them are two species referred to Cohnnna, a Melani ell a, two Planorhis 

 allied to P. eultratus Orh., and a sub-species oi Helicodiscvs lineatus. 



The Isaac Lea Cpiapter of the Agassiz Association is becom- 

 ing an important factor in the revival of interest in American 

 conchology. The President is now- Prof. Josiah Keep ; the General 

 Secretary Mrs. ]M. Burton Williamson (University, Los Angeles 

 Co., Cal.). Interesting reports of their work are published by the 

 Secretary in Popular Science Xeu's from month to month. 



A valuable paper on the anatomy of Bulimxs acutii.?, by 

 Messr.=. W. Moss and F. Paulden, appears in the Trans. Manchester 

 .Micros. Soc. for 1892. 



The First Meeting of the Winter Session of the Perthshire 

 (Scotland) Society of I^atural Science was held at Perth, Nov. 

 9, Mr. Henry Coates, President, in the chair. In his opening 

 address the President gave his impressions of the principal Scientific 

 Museums of America, which he had visited during the Summer. 

 The criticisms seem for the most part appreciative and just, and are 

 of interest to us as showing how our work appears in the eyes of a 

 cultured observer familiar with English museum methods. 



Dr. Wm. H. Dall has left Washington to investigate geological 

 problems in South Georgia and Florida. 



Messrs. Henderson and Simpson, of Washington, have de- 

 parted on a winter tour in the West Indies, especially Jamaica. 

 They will no doubt return with a rich store of conchological 

 ])lunder from this paradise of molhisks. 



AcANTHOCHiTEs EX(^)UisiTUS Pilsbry. — The locality given in a 

 former number of the Nautilus for this species is incori-ect. I am 

 informed by Dr. R. E. C. Stearns that Mr. Lockington procured his 



