198 J. STANLEY-BROWN INDEX TO VOLUMES 21 TO 30 



Page 



Murray, Sir John, quoted on the influence of temperature on the secre- 

 tion of calcium carbonate by marine organisms 22, 250 



— , Refex'ence to his "Bathynietrical chart of the oceans" 21. 200 



— and Renard, A., Reference to Challeurcr report on deep-sea deposits 



of 21, 644 



Mutations and submutatious among invertebrates 27. 148 



— , An illustration of Waagen's theory of 24, 109 



"— of Waagen" 25, 411 



and of De Vries ; H. F. Osborn 24. 120 



" — " — — '•mutations" of De Vries, or rectigradatious of Osborn com- 

 pared ; H. F. Osborn 22, 96 



— richtung of Xeumayr, mutent.s of De Vries : Relations of these 



phenomena in evolution ; Henry Fairfield Osborn 27, 148 



Muzo, Colombia, Emerald deposits of 27, 63 



Mylodont sloths of Rancho La Brea, Posterior foot of 27. 170 



Myvatu, Iceland, The obsidian near 26, 285 



N 



Nagelfluh of Quebec and Salzburg 26, 60 



Nansen, F., cited on temperature variations in Atlantic current 25, 49.3 



Nantucket, Absence of bars on 28, 285 



Xarragansett series. Divisions of 25, 447 



Nathorst, a. G., cited on fossil floras of Arctic 30, 559 



King Kai-rs land 30, 520 



— , Studies of the Lake Venern country made by 27, 580 



National Museum (new), Washington. D. C, Twenty-fourth Annual 



Meeting at the 23, 2 



— Research Council, Report of Geology Committee of 29. 69 



, Resolutions concerning 28, 123 



Natural bridge and natural arch. Difference between 21, 314 



across Kicking Horse River, Diagram of 21, 322 



, near Field, British Columbia. Description of and view 



showing 21, 321, 322 



■ — Swifts Camp Creek, Description of and diagram indicating origin 



of 21, 315 



, View showing 21, 315 



at Attica, Indiana 21, 317 



Natural Bridge station, Powell County. Kentucky, Description 



of and views showing 21, 324, 325 



, Definition of 21. 314 



formed by gravity, Big Horn Mountains, Wyoming, View showing 21,331 



, Diagram showing 21. .3.33 



. iu Bad Lands, South Dakota, Description of 21, 315, 316 



, View showing 21, 315 



— -North Adams, Z^Iassachusetts, Description of, view showing... 21,328 



. .Lookout Mountain, Tennessee, Description of and view showing.. 



21,327,329 



