14 



TO CONCHOLOGISTS: 



I have prepared a manuscript list, designed in part as an 

 enumeration of the Mollusca of a region called West America — 

 extending from the Arctic regions to the southern extremity of 

 Baja (Lower) California. Montana, Colorado, and New Mexico 

 may be taken as the eastern limits of this region. The work will 

 also include other American species collected by the writer, espe- 

 cially those of Vermont, Texas, and Mexico. 



It is in part a review of some of the literature on the mollusca 

 of the region designated, as. far as the author's library permits. 

 Some of the synonymy is noted, and many of the changes in 

 nomenclature, but the larger part of these are left for the reader 

 to learn as he may. Many notes have been culled from the liter- 

 ature available, as well as descriptions of some of the new species 

 of recent years. 



C. R. Orcutt, No. 1705 Broadway, San Diego, California. 



Armstrong, Margaret: in collaboration with J. J. Thornber: Field 

 book of western wild flowers. 596 p. 500 ill. and 48 colored 

 plates. 1915. $2 (leather $2.50). Postage 15 cents. 

 This work describes in popular language the commoner wild 

 flowers of Washington, Oregon, California, Idaho, Nevada, Utah 

 and Arizona. Prof. Thornber is responsible for the nomenclature 

 in this work, which is conservative rather than "modern," or vice 

 versa, as Cereus giganteus is still Cereus instead of Carnegiea, 

 while Mammillaria becomes "Cactus," a name which should be 

 found only in synonymy. But these perplexing questions will not 

 trouble the average reader for whom this work is intended, and 

 the book will be welcomed we believe by a host of tourists, and 

 others. The artist-author worked under the disadvantage of a 

 small sized page, the work being designed for the pocket — a mis- 

 take we believe on the part of the publishers, in that the illus- 

 rations are not given full justice. Yet the coloring is exquisite in 

 the plates, and the other figures will be found very useful, and 

 we welcome it among the nature books of the year. 

 G. P. Putnam's Sons, publishers, New York. 



Noble, H. G. S.: The New York stock exchange in the crisis of 



1914. 89 p. 1915. 



Treats of the closing of the exchange, the period of suspen- 

 sion and the reopening during one of the most critical periods in 

 the country's history. The essay is by the president of the ex- 

 change and authoritative, and will be of great interest to students 

 of financial questions. The service rendered by the exchange to 

 the country was far beyond calculation. 



Clark, Austin Hobart: 



A monograph of the existing crinoids. Vol 1, part 1, Washing- 

 ton, 1915. U. S. nat. mus. bulletin 82. 



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