354 
INTERNATIONAL ASTRONOMICAL UNION Proc. N. A. S. 
9. Committee on Theoretical and Applied Optics and the Study of Instruments. — Hamy, 
Chairman, CarIty, Conrady, Cotton, DelvosaIv, Fabry, Littell, Lunn, Sampson. 
10. Committee on Solar Radiation. — Abbot, Chairman, Bemporad, Cai^i^endar, 
DESI.ANDRES, FOWLE, GORCZYNSKI. 
11. Committee on the Spectro-Helio-Enregistreur. — Deslandres, Chairman. 
12. Committee on the Solar Atmosphere. — Hai,e, Chairman, Deslandres, EvERSHEd, 
FoWIvER, HiRAYAMA, LEE, NEWALL, P^ROT, RiCCO, ST. JoHN. 
13. Committee on Astronomical Expeditions, Eclipses, etc. — de i.a Baume Pluvinei., 
Chairman, Angot, Barnard, Campbeli^, Desi^andres, Fowi^er, Hinks, Mitchell, 
Palazzo, Ricc6. 
14. Committee on the Determination of Wave-Lengths and Tables of the Solar Spec- 
trum. — St. John, Chairman, Babcock, Fabry, Fowler, Hamy, Meggers, Merton, 
Nagaoka, Newall, P^rot, Wright. 
15. Committee on Solar Rotation. — Newall, Chairman, Adams, Deslandres, 
EvERSHED, DeLury, Pe;rot, Sampson, St. John. 
16. Committee on Physical Observations of the Planets. — Cerulli, Chairman, Barnard, 
Deslandres, Jarry-Desloges, Lampland, Mascart, Phillips, Stroobant, H. 
Thomson. 
17. Committee on Lunar Nomenclature. — Turner, Chairman, Bigourdan, Miss 
Blagg, Pickering, Puiseux. 
18. Committee on the Determination of Terrestrial Longitude by Wireless Telegraphy. — 
General Ferrie;, Chairman, Bigourdan, Carty, Delporte, Dyson, Hamy, Hooge- 
WERFF, Hough, Nakano, Sampson. 
19. Committee on the Variation of Latitude. — Kimura, Chairman, DE LA Baume 
Pluvinel, Bianchi, Bigourdan, Brillouin, Celoria, Hills, Jeffreys, Jones, Lar- 
MOR, LiTTELL, REINA, RoSS, SchLESINGER, VoLTA. 
20. Committee on Asteroids. — Brown, Chairman, Ant. Abetti, Andoyer, Bigourdan, 
BouRGET, CowELL, Crommelin, Fayet, Gonnessiat, Krassowski, Leuschner, 
Metcalf, Millosevich, Stroobant. 
21. Committee on Comets. — Leuschner, Chairman, Andoyer, de la Baume Pluvinel, 
Barnard, Crommelin, Deslandres, Fayet, Fowler, 
22. Committee on Meteors. — Denning, Chairman, Deslandres, Lebeuf, Mitchell, 
Olivier, Mrs. Wilson. 
23. Committee on the Carte du Ciel. — Turner, Chairman, Baillaud, Balbi, Baldwin, 
Bemporad, Bhaskaran, Cook, Cosserat, Curlewis, Delvosal, Dyson, Gonnessiat, 
Hough, Lecointe, L. Picart, Ricco, Sampson, Schlesinger. 
24. Committee on Stellar Parallaxes. — SchlESinger, Chairman, G. Abetti, Adams, 
Bigourdan, Cosserat, Davidson, Dyson, Fox, Miller, Mitchell, Rambaut, 
Van Biesbroeck. 
25. Committee on Stellar Photometry. — Seares, Chairman, Baillaud, Eddington, 
Halm, Miss Leavitt, Melotte, Parkhurst, Sampson, Turner. 
26. Committee on Double Stars. — Aitken, Chairman, G. Abetti, Bigourdan, Doo- 
LITTLE, ESPIN, Fox, HUSSEY, JaCKSON, JONCKHEERE, VaN BlESBROECK. 
27. Committee on Variable Stars. — BailEy, Chairman, Bemporad, Brook, Cosserat, 
Jordan, Markwick, Mascart, Pace, Phillips, Plummer, Russell, ShaplEy, Steb- 
BiNS, Turner. 
28. Committee on the Nebulae. — Bigourdan, Chairman, Deslandres, Dreyer, 
Fabry, Knox-Shaw, Newall, Reynolds, Slipher, Wright. 
29. Committee on the Spectral Classification of Stars. — Adams, Chairman, Miss Can- 
non, R. H. CuRTiss, Fowler, de Gramont, Hamy, Newall, Plaskett, Russell. 
30. Committee on Stellar Radial Velocities. — Campbell, Chairman, Adams, Deslan- 
dres, Hamy, Lunt, Newall, Plaskett. 
