552 



AMERICAN MEN OF SCIENCE 



surg, Denver, 98- Consulting surgeon, Mercy 

 Hosp, Denver; major, M.C. and surgeon, Am. 

 Ambulance Hosp, Paris; lieut. col, 19- Surg. 

 Ass. (v. pres, 03, treas, 06, pres, 12) ; Am. Med. 

 Ass. (chairman, sect. surg. 04) ; Soc. Cancer 

 Control (pres). Denver Clin, and Path. Soc; 

 Soc. Int. de Cjiirurg. 



Powers, Prof. J(oseph) H(orace), 2751 Garfiold 

 St, Lincoln, Nebr. Zoology. Hebron, Wis, Jan. 

 22, 66. B.S, Wisconsin. 89, fellow, 89-90; Ph.D, 

 Gottingen, 92 ; Geneva, 92-93 ; Columbia, 93-94. 

 Prof. zool. Doane, 94-05; asst. prof, and later 

 adj. prof, Nebraska, 0.5-09, prof, 09-16, mirro- 

 scopist, 16- Micros. Soc; Nebr. Acad. Experi- 

 mental evolution ; variation ; mutation in As- 

 planchna and Hvdra ; heredity of sex in Hydra 

 dioceia ; variation in Amblystoma. 



Poynter, Dr. Charles W(illiam) M(cCorkle), 4216 

 Douglas St, Omaha, Nebr. Anatomy. Eureka, 

 111, 75. B.S, Nebraska, 98, M.D, 02. Head, 

 dept. anat, Nebraska, 12- A.A ; Ass. Anat; 

 Am. Med. Ass; Anthrop. Ass. Embryology; 

 anthropology. 



Praeger, Prof. W(illiam) E(milius), 421 Douglas 

 Ave, Kalamazoo, Mich. Botany. Belfast, Ire- 

 land, Sept. 10, 63. B.S, Illinois, GO; M.S, Chi- 

 cago, 03. Instr, high schools, 111, 03-05; i^rof. 

 biol, KaJamasoo, 05- Lecturer, univ. cxten, Chi- 

 cago, 02-03 ; teacher, Deseret Summer Inst, 

 Logan, Utah, 04; teacher, Western State Nor, 

 Kalamazoo, summers, 06-07. A.A; Bot. Soc; 

 Ecol. Soc; Micros. Soc; Wilson Ornith. Club; 

 assoc. mem. Ornith. Union; Mich. Acad. (v. 

 pres, pres, 11). Ecology. 



Prager, Dr. William L(ouis), College of the City 

 of New York, New York, N. Y. Chemistry. 

 New York, Jan. 8, 82. B.S, Col. City of N. Y, 

 00; M.S, N. Y. Univ, 04; fellow, Clark, 07-08. 

 Ph.D, 08. Tutor cliem, Col. City of N. T, 02-07, 

 instr, 08-15, asst. projf, 15- A.A; Cheni. Soc. 

 Esterification and steric hindrance; organic syn- 

 thesis; tautomerism. 



Prather, Prof. John M(cClellan), 4152 Washing- 

 ton Ave, St. Louis, Mo. Zoology. Felicity, 

 Ohio, Sept. 8, 64. A.B, Antioch, 91; Harvard, 

 94, A.M, 95; Ph.D, Chicago, 01. Asst. bot. and 

 zool. Harvard, 95-97; embryol, Chicago, 00-01; 

 prof. biol. and physics, Antioch, 97-99; instr. 

 biol, Cincinnati, 01-02; high sch, St. Louis, 02- 

 A.A. Anatomy; hypophysis in Amia calva; 

 skeleton of Salanx microdon, 



Pratt, Dr. Frederick H(aven), 4 Newbury St, 

 Boston. Mass. Physiolot/i/. Worcester, Mass, 

 July 19, 73. A.B, Harvard, 96, A.M, 98, M.D, 

 06; Gottingen, 99; Worcester, 00-01. Asst. 

 physiol. Harvard, 01 ; instr. physiol. and hvgiene, 

 Wellesley, 09-12; prof, physiol, Buffalo, 12-19; 

 hon. fellow biol, Clark, 19-20; teaching fellow 

 physiol. Harvard, SO- A.A; Physiol. Soc. 

 Cardiac nutrition ; capillary pore electrode ; all- 

 or-none contraction of muscle fiber; recording 

 apparatus; tetanus; fatigue; lecture method; 

 mercury tulie key. 



Pratt, Prof. Henry S(herring), Haverford College, 

 Havorford, Pa. *Zoology. Toledo, Ohio, Aug. 

 18, 59. A.B, Michigan, 82; admitted to Ohio 

 Bar, 85; Leipzig, Freiburg and Geneva, 8S-92; 

 zool. sta, Villefranche-sur-mer; Ph.D, Leipzig, 



92; Harvard, 92-93; Innsbruck, 02-03; Graz, 

 09-10. Instr. biol. Haverford. 93-98. assoc. 

 prof, 98-01, prof, 01- Instr. comp. anat. Cold 

 Spring Harbor. 96-; Tortugas lab, Carnegie In- 

 stitution, 08-09; Commission for relief in Bel- 

 gium, 16-17; investigator forest zool, N. Y. State 

 Col. Forestry, Syracuse, 17. A.A; Soc. Nat; 

 Soc. Zool. (sec'y-treas, east, branch. 05. 06); 

 Ecol. Soc; cor. mem. Wash. Helminth. Soc; 

 Cambridge Entom. Soc. (pres, 97). Embryology 

 and metamorphoses of insects; flatworms ; struc- 

 ture and classification of trematodes and 

 cestodes. 



Pratt, Prof. James B(issett), Williamstown, Mass. 

 Psychology. Elmira, N. Y, June 22, 75. A.B, 

 Williams, 98; A.M, Harvard, 99, Ph.D, 05; 

 Berlin, 01-03. Instr. philos, Williams. 05-06, 

 asst. prof. 06-13, prof. 13- Philos. Ass. (v. pres, 

 19) ; Psychol. Ass. Psychology of religion. 



Pratt, J(ohn) F(rancis), U. S. Coast and Geodetic 

 Survey, Washington, D. C. Geodesy, Topog- 

 raphy, Hydrography. Pomfret. Vt, June 18, 48. 

 B.S, Dartmouth, 71. Aid, U. S. Coast and Geod. 

 Surv, 71-79, sub-asst, 79-84, asst, 84- Asst. 

 astronomer, transit of Mercury exped, 78 ; A'enus, 

 82; chief, Alaska boundary expeditions, 92-94; 

 exploration and survey of delta of Yukon River, 

 98; coast surveys of Bering Sea, southeastern 

 Alaska and Hawaii. 99-05; Philippine Islands, 

 08-11; inspector, U. S. Geol. Surv, 11-20. In 

 command, magnetic exped. to N, Pacific Ocean, 

 Carnegie Institution, 05. A.A ; Wash. Acad ; 

 Thayer Soc. Eng. Practical geodesy ; commer- 

 cial development of Alaska, Hawaiian Islands, 

 and Philippine Islands ; earthquake movement in 

 California. 



Pratt, Dr. Joseph H(ersey), 317 IMarlboro St. Bos- 

 ton, Mass. Pathology, Medicine. Middleboro, 

 Mass, Dec. 5, 72. Ph.B, Yale, 94; M.D, Hop- 

 kins, 98; A.'S\, Harvard, 01. Asst. path, Boston 

 City Hosp, 98-00, asst. visiting pathologist, 01- 

 02; instr. path, Harvard, 00-02, asst. theory and 

 practise of physics, 02-09. instr. 09-18. A.A; 

 Ass. Path, and Bact; Soc. Exp. Biol; Am. Physi- 

 cians; Physiol. Soc; Soc. Pharmacol; Soc. Clin. 

 Invest. Histology of pneumonia ; the blood 

 platelets ; filaria sanguinis hominis ; benign 

 tumors of the thyroid gland ; typhoid bacillus in 

 intestinal contents ; differentiating typhoid and 

 colon bacilli in feces; blood platelets; metabo- 

 lism in pancreatic disease ; experimental anemia ; 

 class method of treating tuberculosis among the 

 poor; thrombus formation; pancreatic diabetes; 

 metabolism in gout; digitalis. 



Pratt, Dr. Joseph Hyde. Chapel Hill, N. C. 

 Geology, Mineraloqy. Hartford, Conn, Feb. 3, 

 70. Ph.B, Y'ale, 93, Ph.D, 96. Instr. miner, 

 Yale, 9.5-97; state mineralogist, N. C. Geol. 

 Surv, 97-05, state geologist, 05-; lecturer, North 

 Carolina, 98-04, prof. econ. geol, 04- Instr, 

 summer sch. Harvard, 95 ; field asst. geologist, 

 U. S. Geol. Surv, 99 ; coal-briquetting investiga- 

 tions, 05-06; col, corps engineers, 17-19. A.A; 

 Geol. Soc; Min. Eng; Min. and Metal. Soc. 

 (councilor) ; Am. Peat Soc. _ (pres, 07-09) ; 

 Am. Geog. Soc; Forestry Ass;' hon. mem. Ap- 

 palachian Eng. Ass; N. C. Acad; N. Y. Acad. 

 The occurrence and origin of ore deposits; chem- 

 ical and physical properties of minerals. 



