144 the nautilus. 



Henderson Collection of Antillean Land Mollusks. — 

 The National Museum has recently received as a gift from Mr. 

 John B, Henderson, one of the Regents of tlie Smithsonian In- 

 stitution and a prominent malacologist, his entire collection of 

 Antillean land mollusks, comprising approximately 400,000 

 specimens. The bulk of the collection is the result of expedi- 

 tions to the Antilles made by Mr. Henderson and his assistants 

 for the sole purpose of visiting unexplored or little known 

 regions, or for collecting specimens in the identical localities 

 from which the original types were obtained. 



Dr. H. A. PiLSBRY has recently been elected a Corresponding 

 Member of the Zoological Society of London. 



PUBLICATIONS RECEIVED. 



The Pliocene Mollusca of Great Britain. By F. W. 

 Harmer (Palaeontographical Society, Vol. I, parts 3 and 4, pp. 

 303-483, plates 33-44, 1918 and 1919). This completes Vol. I. 

 Part 1 was published in 1914 and part 2 in 1915, the whole 

 being supplementary to S. V. Wood's Monograph of the Crag 

 Mollusca. It brings the subject up to date and adds much to 

 our knowledge of the distribution of some of the American 

 species in Pliocene times. Aside from some of the species 

 which are circumpolar in distribution, Sipho pygmaea, Beln bi- 

 carinata, a var. of Eupleura caudata. Tarritella errosa and Nassa 

 trivittata are also recorded from the pliocene and pleistocene of 

 Great Britain. Part IV contains the title page and index to 

 the volume. — C. W. J. 



Post-Glacial Mollusca from the Marls of Central Ilij- 

 Nois. By Frank C. Baker (Jour, of Geol., Vol. 26, pp. 659- 

 671, 1918). 



On Some Tertiary Fossils from Pribilof Islands. By 

 W. H. Dall (Jour. Washington Acad. Sci., Vol. 9, 1919). 

 The collection of some 47 species made by Mr. G. Dallas 

 Hanna, is of interest as linking up the age of the strata with 

 the beach deposits at Nome which are referred to the late 

 Pliocene. 



