Miscellaneous Intelligence. 327 



In the discussion of topics about which there is still a difference 

 of opinion among scientists the author is careful to do justice to 

 both sides of the question. The subject is presented fully and 

 clearly, in a manner characteristic of the lectures at a German 

 university. w. r. c. 



4. Publications of the Carnegie Institution of Washington. — 

 Recent publications of the Carnegie Institution are noted in the 

 following list (continued from p. 81). 



No. 74. The Vulgate Version of the Arthurian Romances, 

 edited from manuscripts in the British Museum ; by H. Oskak 

 Sommer. Volume IV. Le Livre de Lancelot del Lac. Part II. 

 Pp. 399. 



No. 139. Guayule (Parthenhtm Argentatum Gray): A Rubber- 

 Plant of the Chihuahuan Desert ; by Francis E. Lloyd. Pp. viii, 

 313, 46 plates. 



No. 14S. Calendar of Papers in Washington Archives relating 

 to the Territories of the United States (to 1873); by David W. 

 Parker. Pp. 476. 



No. 149. The Production of Elliptic Interferences in Relation 

 to Interferometry ; by Carl Barus. Pp. vi, 77. 



No. 154. Beach-la Mar. The Jargon or Trade speech of the 

 Western Pacific ; by William Churchill. Pp. 54. 



No. 156. Feeding Experiments with Isolated Food-Substances ; 

 by Thomas B. Osborne and Lafayette B. Mendel with the 

 cooperation of Edna L. Ferry. Pp. 53. 



5. Publications of the Harvard College Observatory ; by 

 Edward C. Pickering, Director. — Recent publications are noted 

 in the following list (continued from vol xxxi, p. 581) : 



Annals. — Vol. LVI, No. 5. Classification of 1688 Southern 

 Stars by means of their Spectra ; by Annie J. Cannon. Pp. 

 115-164. 



Vol. LXIV, No. 7. Observations with the Meridian Photom- 

 eter during the years 1907 and 1908. Pp. 191-199. 



Vol. LIX, No. 7. Photographic Observations of Occultations ; 

 by Edward S. King. Pp. 187-203, 2 plates. 



Vol. LIX, No. 8. Transformation of Prismatic to Normal 

 Spectra; by Edward S. King. Pp. 205-222, 2 figures. 



Vol. LXVIII. Part II. Observations and Investigations 

 made at the Blue Hill Meteorological Observatory, in the years 

 1906, 1907, and 1908, under the direction of A. Lawrence Rotch. 

 Pp, 97-229. 



Circulars. — No. 164. Nova Sagittarii, No. 4. Five New 

 Variable Stars ; by Edward C. Pickering. Pp. 3. 



No. 165. Three New Variable Stars in Harvard Map, No. 22 ; 

 by Edward C. Pickering. Pp. 4. 



No. 166. Cooperation in Observing Variable Stars ; by Edward 

 C. Pickering. Pp. 7. 



6. United States Naval Observatory. — The following volumes 

 have been recently issued : Second Series. Volume VI, Contain- 



