422 



POPULAR SCIENCE MONTHLY. 



lies of SynentOErnathons and their Nomenclature ; 

 No. 1052. On tfie Application of the Name Ten- 

 this to a Genus of Fishes ; No. 3053. Notes on 

 the Nomenclature of Scymnus or Scymnorhinu.?, 

 a Genus of Sharks ; No. 1054. Notes on the Genus 

 Cephalcntherus or Eafinesque, and other Kays 

 with Aberrant Pectoral Fins (Propterygia and 

 nicroptera) ; No. 1055. Notes on the Characinoid 

 Fishes with Ctenoid Scales, with a Description of 

 a New Psectrogaster ; No. 105G. The Differential 

 Characters of Characinoid and Erythrinoid Fishes ; 

 No 1057. Notes on Orectolobus or Crossorhinus, 

 a Genus of Sharks ; No. 1058. Note on the Fishes 

 of the Genus Characinus; No. 1050. The Nomen- 

 clature of Rachicentron or Elacate, a Genus of 

 Acanthopterygian Fishes ; No. 10(10. Note on the 

 Nomenclature of the Poecilioid Fishes ; No. 1061. 

 The Nomenclature of the Fishes of the Chara- 

 cinoid Genus Tetragonopterus ; No. lOoO; Notes 

 on Asbestos and Asbestiform Minerals : No. 1057. 

 Preliminary Descrijition of Some New Birds from 

 the Galapagos Archipelago ; No. 1068. The Classi- 

 fication and Geogrjiphical Distribution of the 

 Pearly Freshwater Mussels ; No. 1072. Descrip- 

 tion of Four New Triassic Unios from the Staked 

 Plains of Texas : No. 1074. Description of a 

 New Subspecies of the Genus Peucedramus Cones. 

 — Union College : Announcement of Courses in 

 the Summer School to be held at Saratoga Springs, 

 July 6 to August 14, 1896.— United States Bureau 

 of Education : Chapters from the Report of the 

 Commissioner of Education ; Agricultural and 

 Mechanical Colleges ; Forestry Education ; Geol- 

 ogy in the Colleges and Universities of the United 

 States ; Eules for the Spelling and Pronunciation 

 of Chemical Terms. — Van Sargen, Gilbert, and 

 White, T. G. : An Account of the Summer's Work 

 in Geology on Lake Champlain (from Transac- 

 tions of the New York Academy of Sciences. 

 October 28, 1895).— Walker. S. T. :" The Modicum 

 of Hearing of Deaf-Mutcs (from the Medical 

 Fortnightly, St. Louis).— Ward, Lester F. : The 

 Data of Sociology (from American Journal of 

 Sociology, vol. \, No. C).— White, T. G. : The 

 Faunas of the Upper Osdovician Strata at Trenton 

 Falls, Oneida County, N. Y. (from Transactions 

 of the New York Academy of Sciences, vol. xv, 

 pp. 71 to £8). 



Byars, William Vincent. The Glory of the 

 Garden and Other Odes, Sonnets, and Ballads. 

 Author. Pp. 190. 



Chappie, J. M. The Minor Chord. Chicago : 

 F. Tennyson Neely. Pp. 223. 



Conant, C. A. A History of Modern Ba'^ks of 

 Issue. New York and London : G. P. Putnam's 

 Sons. Pp. 595. $3. 



Family Culture. Monthly. Devoted to the 

 Study of the Science of Human Life, Boston, 

 Mass. $1 per annum. 



Flower, Sydney. A Study in Hypnotism. 

 Chicago: The Psychic Publishing Company. Pp. 

 3C6. 



Forbes, S. A. Nineteenth Report of the Illi- 

 nois State Entomologist. Noxious and Beneficial 

 Insects. Pp., test, 270 ; cuts, xiv. 



FreemanMitford, A. B. The Bamboo Garden. 

 New York and London : Macmillan & Co. Pp. 

 224. £3. 



Giddings, Franklin Henry. The Principles of 

 Sociology. New York and London : Macmillan 

 & Co. Pp. 476. $3. 



Hadley, Arthur Twining. Economics. New 

 York and London : G. P. Putnam's Sons. Pp. 

 496. $2.50. 



Instruccion Publi^a Mexicana, Revista de la 

 (Mexican Review of Public Instruction). Mexico: 

 Talleres (Academy) de la Escuela Nacional de 

 Artes y Oflcios ex "Convento de San Lorenzo. 



Keyes, C. R. The Origin and Relations of 

 Central Maryland Granites, with an Introduction 

 by G. H. Williams. Extract from Sixteenth An- 

 nual Report of the United States Geological Sur- 

 vey. Pp. 654 to 740. 



McMastcr. J. B. With the Fathers. Studies 

 in the HiFtory of the United States. New York : 

 D. Appleton & Co. Pp. 334. $1.50. 



Paine, Thomas. The Age of Reason. New 

 York and London : G. P. Putnam's Sons. Pp. 

 203. 



Psychologique, L'Annee (Deusieme Annee, 

 189.5). Par MM. H. Beaunis et A. Binet. Paris, 

 France. Pp. 1010. 



Psychological Revival, The, and Educational 

 Values of the Several Branches of Studies. (Chap- 

 ters from the Report of the United States Com- 

 missioner of Education for )893-'94.) 



Public Libraries. Monthly. Chicago : Library 

 Bureau. $1 per annum. 



Putnam, George Haven. The Question of 

 Copyright. New York and London ; G. P. Put- 

 nam's Sons. Pp. 486. $1.75. 



Rubens, H. S. Cuban Belligerency. Petition 

 of Tomas Estrada Palma, Delegate of the Re- 

 public of Cuba. 



Smith, Hugh M . M. D. A Review of the His- 

 tory and Results of the Attempts to Acclimatize 

 Fish and Other Water Animals in the Pacific 

 States. Extract from Bulletin of the United 

 States Fish Commission for 1895. Pp. 379 to 472. 



Smith, Oberlin. Press-working of Metals. 

 New York : John Wiley & Sons. London : 

 Chapman & Hall, Ltd. Pp. 276. 



Taussig. F. W. Wages and Capital. An Ex- 

 amination of the Wages-fund Doctrine. New 

 York : D. Appleton & Co. Pp. 329. $1.50. 



W' ismann, August. On Germinal Selection. 

 The Religion of Science Library. Chicago : Open- 

 Court Publishing Company. Pp. 61. V> cents. 



^vagmcnts ot J^clcnct. 



Mystcrions Fractnros in Stool. — The so- 

 called mysterious fractures iu steel, with 

 which every engineer is familiar, bid fair to 

 become things of the past. The following 

 facts, taken from a recently reported analy- 

 sis of specimens from a fractured steam- 

 ship " tail shaft," are especially interesting, 

 as showing the great value of investiga- 



tions which at first sight may seem entirely 

 barren of anything but theoretical interest. 

 This accident, which a few years ago would 

 have been put down as one of those " mysteri- 

 ous breaks," probably due to "fatigue," the 

 shaft having been in practically continuous 

 use for twelve or fourteen years, was fully 

 explained by the subsequent examination. A 



