130 



AMERICAN MEN OF SCIENCE 



sch, Perry. 05-06; asst. psyehol, Kansas, 06-08; 

 instr. and later asst. I'rof. cor. study, Kan- 

 sas, 10- 

 Clarke, Dr. John M(ason), State Museum, Al- 

 bany, N. y. * Paleontology, Geology. Canan- 

 daigua, N. Y, April 15, 57. A.B, Amherst, 77, 

 A.M, 82, LL.D, 02; Hopkins, 15; Gottingen, 82- 

 84; hon. A.M. and Ph.D. Marburg, itS ; lion. 

 Sc.D, Colgate, 09; Chicago, 16; Princeton, 19. 

 Instr. geol, Amherst, 79; prof. geol. and zool, 

 Smith, 81-85; lecturer zool, Mass. Col, 85; asst. 

 state paleontologist, N. Y, 86; prof, geol, Rens- 

 selaer, 94-; state palcontologi.st. N. Y. 98-04, 

 state geologist and paleontologist, and director, 

 state museum and science div, Educ. Dcpt, 04- 

 Sec'y^ N. Y. State Board Geog. Names; Wam- 

 pum keeper, Iroquois Nation; trustee, Dudley Ob- 

 servatory; Schuyler Mansion ; chairman, div. geol, 

 Nat. Research Council; Spindiaroff prize. Int. 

 Geol. Cong; gold medal. Permanent Wild Life 

 Protection Fund, 19 : Ilayden gold medal, (i8. 

 Nat.Acad. (co-editor, 'Proc') ; A. A. (v. pres,10) ; 

 Geol. Sec. (v. pres, 09, pres, 16); Philos. Soc; 

 Paleont. Soc. (pres); Am. Acad; hon. mem. 

 Brooklyn Inst; Buffalo Acad; Rochester Acad; 

 Onondaga Acad; Wash. Acad; cor. Phila. Acad; 

 for. cor. London Geol. Soc; Gottingen KiJnigl. 

 Gesell; Natur-hist. Verein d. preussisch. Rhein- 

 lande; Royal Prussian Acad; Geol. Gesell; 

 Miner. Soc. Russia. Bird protection; ceramics; 

 history, composition, evolution and inijjmtion of 

 Paleozoic faunas ; origiUj classification and car- 

 tography of Paleozoic rocks; structure of Pale- 

 ozoic organisms; geological history of parasitism. 



Clarke, Prof. S(amuel) F(essenden), Williamstown, 

 Mass. *Biology. Geneva, 111, June 4, 51. Ph.B, 

 Yale, 78; fellow, Hopkins, 76-79, Ph.D, 79; 

 A.M, Williams, 91. Asst. zool, Yale, 73-76; 

 Hopkins, 79-81; prof. nat. hist, Williams, 81-16, 

 emer. prof, 16- Asst, U. S. Fish Commission, 

 74-76. A.A; Soc. Nat; Soc. Zool; Am. Acad. 

 Hydroids of the American coast; embryology of 

 the American alligator. 



Clarke, Prof. Warren T(hompson), 2317 Le Conte 

 Ave, Berkeley, Calif. Entomology, Horticulture. 

 San Francisco, Calif, March 15, 63. B.S, Cali- 

 fornia, 03. Asst. cntom, California, 04-06; 

 prof, Ala. Polytech, 06-07; asst. prof, hort, 

 California, 07-12, prof, 12-, supt, univ. exten. 

 agr, 07- A.A; Entom. Soc; Pacific Coast En- 

 tom. Soc. Almond pollination. 



Clausen, Prof. Roy E(lwood), University of Cali- 

 fornia, Berkclev, Calif. Genetics. Randall, 

 Iowa, Aug. 21, 91. B.S, Okla. Col, 10; Califor- 

 nia, 12, Ph.D, 14. Instr. genetics, California, 

 1416, asst. prof, 16- In mil. service, 17-19. 

 A.A. Genetics of Nicotiana. 



Clausen, Dr. Samuel Wolcott, 500 S. Kingshigh- 

 way, St. Louis, Mo. Biological chemistry. 

 Canascraga, N. Y, Oct. 17, 88. A.B, Williams, 

 10; M.D, Hopkins, 15. Intern, Hopkins Hosp, 

 15-16, as.st. res, 16-17; instr. pediat, Washiiig- 

 ton (St. Louis), 17-20, assoc, SO- Chemical 

 problems in diseases of children. 



Clawson, Prof. B(enjamin) J(unior), University 

 of North D;ikota, University, N. Dak. Bacteri- 

 ology. Dixonville, Pa, Jan. 9, 81. B.S, Kansas, 

 09, A.M, 11; M.D, Rush Med. Col. 17, Ph.D, 

 Chicago, 19. Asst. prof, Okla. Col, 11-12; instr, 



asst. prof, and later assoc. prof, bacter, Kansas, 

 12-17; instr, Chicago, 17-19; prof. path, and 

 bacter. North Dakota, 19- Soc. Bact. Pa- 

 thology. 



Clay berg, Prof. Harold D(udley), University of 

 Minnesota, Minneapolis, Minn. Biology. Chi- 

 cago, 111, Jan, 92. A.B, Illinois, 13, fellow, 

 16-17; M.S, Chicago, 14, Ph.D, 17. Instr. sci- 

 ence and math, high sch, Monroe, La, 14-15; 

 asst. bot, Illinois, 16-17; asst. prof, Washburn, 

 17-18; prof, biol, Davidson, 18-19; zool, Beloit, 

 19-20 ; instr, Minnesota, 20- Ecol. Soc. Physio- 

 graphic ecology; reactions of fishes to chloro- 

 form and ether; Compositae. 



Claycomb, Prof. George B, Mitchell, S. Dak. 

 Biology. La Harpe, 111, Dec. 25, 86. Ph.B, 

 Adrian, 09; M.S, Chicago, 14. Teacher, high 

 sch, Geneseo, 111, 10-16; Missoula. Mont, 16- 

 18; asst. zool, Illinois, 18-19; prof, hiol, Dakota 

 Wesleyan, 19- A.A; Cent. Ass. Sci. and Math. 

 Ecology; distribution, habits and life histories 

 of animals. 



Clayton, Prof. Charles Yancey, Rolla, Mo. Metal- 

 lurgy. Hannibal, Mo, Jan. 29, 91. B.S, Mo. 

 Sch. Mines, 13, Met.E, 16. Assoc, prof, and 

 later prof, metal, and ore dressing. Mo. Sch. 

 Mines, 13- Metallographist, U. S. Bur. ]\Iines, 

 18-19. Min. and Metal. Eng; British Iron and 

 Steel Inst; British Inst. Metals. Metallography; 

 flotation ; complex ores. 



Clayton, H(enry) H(elm), 974 Paseo Colon, Bue- 

 nos Aires, Argentina. Meteorology. Murfrees- 

 boro, Tenn, March 12, 61. Private and pub. 

 schools. Student asst, astron. observatory, 

 Michigan, 84-85; asst. Harvard Col. Observa- 

 torv, Blue Hill Meteorol. Observatory, 86-91; 

 local forecast official, U. S. Weather Bur, 91-93; 

 meteorologist. Blue Hill Meteorol. Observatory, 

 94-09; chief, forecast div, Argentine Weather 

 Service, 13- In charge, Teisserene and Rotch 

 exped. to explore tropical Atlantic with kites 

 and balloons, 05. Am. Acad; Boston Sci. Soc. 

 (pres, 99-03). Clouds; relation of solar changes 

 to world weather; explorations of the air with 

 balloons-sounds. 



Claytor, Dr. Thomas A(sh), 1826 R St, N. W, 

 Washington, D. C. Medicine. West River, Md, 

 July 14, 69. :M.D, Pennsylvania, 91. Clin. prof, 

 med, George Washington, 98-, prof, therapcut. 

 and physician, hosp, 02- Physician, Garfield 

 Mem. Hosp, 98- Am. Med. Ass; Climat. Ass. 



Cleland, Prof. Herdman F(itzgerald), Williams- 

 town, Mass. Geology. Milan, 111, July 13, 69. 

 A.B, Oberlin, 94; Ph.D, Yale, 00; Cornell, 01. 

 Instr. nat. science, Gates, 95-98 ; geol. and bot, 

 Williams, 01-04, asst. prof. geol. and miner, 

 04-05, prof, 05- Instr. geol, summer sch, Cor- 

 nell, 00-02; Tennessee, 04. A.A; Geol. Soc; 

 Paleont. Soc. (sec'y, 09); Min. Eng; Scismol. 

 Soc; Am. Acad. Physical and historical geol- 

 ogy; fossil faunas of the Hamilton formation; 

 Calciferous of the Mohawk Valley; Wisconsin 

 Devonian ; natural bridges of North America 

 and their origins; geology and physiography of 

 the coastal plain. 



Cleland, Dr. Ealph E(rsklne), Goucher College, 

 Baltimore, Md. Botany. Le Claire, Iowa, Oct. 

 20, 92. A.B, Pennsylvania, 15, M.S, 16, Ph.D, 



