30 THE NAUTILUS. 



the party that went north on the steamer G. W. Elder, constituting 

 the Harriraan Alaska Expedition. 



It was also a happy thought that led Dr. Dall to utilize the oppor- 

 tunity for publication in the Harriman Expedition Series, of his 

 volume on the " Land and Fresh- Water Mollusks," which has been 

 appropriately reviewed by Dr. Pilsbry. 1 It will doubtless be a 

 standard reference book for the next quarter of a century. 



The number of species collected by the expedition is nowhere 

 stated. With a copy of Dr. Dall's volume before me, memory re- 

 calls what was an important event in its time, forty years ago, the 

 U. S. Coast Survey Expedition to Alaska, 2 in charge of Professor 

 George Davidson, which left San Francisco, July 21, 1867, and re- 

 turning, arrived in San Francisco on the following 18th of November. 



In this, the first expedition under the flag in connection with the 

 acquisition of Alaska, or perhaps more accurately, Russian America, 

 provision was made for biological investigation, hence my special 

 interest in it, and further, for the reason that two members of the 

 biological staff were kindly appointed by Professor Davidson on my 

 suggestion. Mr. W. G. W. Harford was the conchologist and gen- 

 eral collector. The season proved unfavorable, the weather being 

 bad, and the collection of mollusks, therefore, in number of species, 

 was small. Of the marine forms 69 species were taken ; the 

 BuccinidcB were determined by Dr. William Stimpson, the rest by 

 the writer. The few land shells as named below, were identified by 

 Dr. J. G. Cooper. 



Helix columbiana Lea, Sitka ; Chilcot River, 59 9' N. 



Helix vancouverensis Lea, Sitka ; Vancouver Island. 



Helix ruderata Stud., Ounalaska. 



Helix fulva Drap., Sitka ; Ounalaska. 



Vitrina pellucida Mull. (?). 



Zua lubrica Mull., Sitka ; Kodiak. 



The list as it appeared in the Coast Survey volume, contained 

 many typographical errors ; it was subsequently revised and pub- 

 lished by me. 3 



NAUTILUS, Vol. XIX, December, 1905. 

 'Report of the Supt. U. S. Coast Survey, during the year 1867. Appendix 

 No. 18, pp. 187-329. Washington, D. C., 1869. 



3 Shells collected by the U. S. Coast Survey Expedition to Alaska in the year 

 1867. Proc. Gal. Acad. Nat. Sciences, Dec. 2, 1867. 



