41 S Scientific Intelligence. 



salt, coal and petroleum deposits. The book is illustrated by 

 many maps and geological sections. w. e. e. 



3. The Glacial Geology of New Jersey ; by R. D. Salisbury, 

 assisted by IT. B. Kummel, C. E. Peet and G. N. Knapp. Geol. 

 Survey of New Jersey. Vol. V, 782 pp., 66 pis., 102 figs. — 

 The New Jersey Survey (H. B. Kummel, State Geologist) has 

 issued a work on glacial geology which is of great educational 

 value. Part I, on The Drift and the Glacial Period, is an ably 

 written text-book on glaciation in general with illustrations taken 

 from New Jersey. Part II treats of local details of glacial 

 action and will be of direct educational and economic value to 

 the people of the State. 



4. The Birds of North and Middle Americas ; by Robert 

 Ridgway. Part II, Bulletin U. S. National Museum, No. 50. 8vo, 

 834 pp., 22 plates.— This is a careful and elaborate revision of 

 the families of tanagers, troupials, honey-creepers, and wood- 

 warblers, with analytical keys, descriptions, and synonymy of 

 all the species and subspecies. a. e. v. 



5. A List of North American Lepidoptera and Key to the 

 Literature; by H. G. Dyar. Bull. U. S. Nat. Mus., No. 52, 

 723 pp., 1902. — This extensive catalogue includes all the species 

 described, up to date. The serial numbers of the species run up 

 to 6,622, but there are some interpolated. The general distribu- 

 tion and principal synonyms are given, The work gives evi- 

 dence of an immense amount of careful work, and will be 

 indispensable for all entomologists interested in Lepidoptera. 



a. e. v. 



6. Synopsis of the Family Veneridce and of the North Ameri- 

 can Recent Species ; by W. H. Dall. Proc. U. S. Nat. Museum, 

 xxvi, pp. 335-412, 5 plates. — This contains a careful revision 

 of the genera, subgenera and sections of the Veneridse, with 

 many changes in the nomenclature, made in accordance with the 

 modern revisions of the rules of nomenclature. a. e. v. 



Obituary. 



Professor Henry Barker Hill, director of the. Chemical 

 Laboratory of Harvard College, died on April 6 in his fifty-fourth 

 year. 



Dr. Albert Huntington Chester, professor of chemistry 

 and mineralogy in Rutgers College, died April 13 in his sixtieth 

 year. 



Rear-Admiral George E. Belknap, retired, who in addition 

 to eminent services in the navy was in charge of important 

 hydrographic work and was at one time superintendent of the 

 Naval Observatory, died on April 7, at the age of seventy-one 

 years. 



