Campbell! 



transformation of two quadratic functions. Messenger 

 Math., 21, 1892, 78-83. 

 - Note ou the maximum number of arbitrary points 



which can be double points on a curve, or surface, of 

 any degree. Messenger Math., 21, 1892, 158-164. 



Notes on determinants. [1892. J London Math. Soc. 



Proc., 24, 1893, 67-79. 



On the shortest path consisting of straight lines 

 between two points on a ruled quadric. Messenger 

 Math.. 23, 1894, 130-136. 



On the motion of a body under no forces. Messenger 



Math., 23, 1894, 144. 



On a law of combination of operators bearing on the 



theory of continuous transformation groups. [1897.] 

 London Math. Soc. Proc., 28, 1897, 381-390; 29, 1898, 

 14-32. 



- Transformations which leave the lengths of arcs on 

 surfaces unaltered. London Math. Soc. Proc., 29, 1898, 

 249-264. 



Note on the theory of continuous groups. N. Y. , 

 Amer. Math. Soc. Bull., 4, 1898, 407-408. 



On the transformations which do not alter the 



equation 



f8V\- iSUr- /5U\" 



U) + U) + U) =0 - 



Messenger Math., 28, 1899, 97-102. 

 On the theory of simultaneous partial differential 



equations. [1898'.] London Math. Soc. Proc., 31, 1900. 



235-263. 

 On the types of linear partial differential equations of 



the second order in three independent variables which are 



unaltered by the transformations of a continuous group. 



N. Y., Amer. Math. Soc. Trans., 1, 1900, 243-258, 509. 

 Campbell, J. Hayes-. .Sec Cushman A Hayes-Campbell. 

 Campbell, -J. MiicXtnifiht. The occurrence of the hooded 



seal (Cystophora cristata, Krjclelien) in Benbecula. Ann. 



Scott. Nat. Hist., 1892, 85-87. 

 On the appearance of the brown rat (Mus decumanus, 



Pallas) on Ailsa Craig. Ann. Scott. Nat. Hist., 1892, 



132-134. 



Supposed cannibalism in the slow-worm (Anguis 

 fragilis, L.). Ann. Scott. Nat. Hist., 1892, 271. 



The swordfish (Xiphius gladius. L.) in the Firth of 

 Forth. Ann. Scott. Nat. Hist., 1893, 247. 



Iron crows' nests. Nature, 50 (1894), 125. 

 Campbell, .7[o//)i] Morroir, & Henderson, Georfie Gt'i'nlil. 



See Henderson A Campbell. 

 Campbell, J. ii. Pure cultures 



making. Highland Soc. Trans. 



11, 1899, 205-220. 

 Campbell, James. For biographical notice .see Astr. Soc. 



Month. Not., "ill, 1896, 189-191. 

 Campbell, Jmnes. A word about wasps. [1895.] Glasgow 



Nat. Hist. Soc. Proc. & Trans., 4, 1897, 265-267. 

 Campbell, (Col.) John. The distribution of birds included 



in the avi-fauna of Perthshire. [1894.] Perthsh. Soc. 



Sci. Trans. & Proc., 2, 1898, 101-119. 

 Increase and decrease of certain species of birds in 



the Tay area. Ann. Scott. Nat. Hist., 1899, 198-206. 

 On the protection of wild birds in Perthshire. [1898.] 



Perthsh. Soc. Sci. Trans. & Proc., 3, 1903, 18-25. 

 Campbell, John Francis. For biography and works MV 



Geol. Mag., 2, 1885, 191-192; Scott. Na'tlist., 8, 1885-86, 



241. 

 Campbell, John H. For biographical notice nee Nautilus, 



10, 1896-97, llfi-117. 



Notes on the genus Cyprsea. [1889.] Nautilus, 3, 

 1889-90, 10-11. 



Mollusca of the United States. [1891.] Nautilus, 4, 

 1890-91, 101-104. 



An important discovery, a new fossil Cypraea. 



[1892-93.] Nautilus, 6, 1892-93, 50-51 ; 7, 1893-94, 52. 



35 [Campbell 



Campbell, John L. For biographical notice sec Amer. Jl. 



Sci , 31, 1886, 240. 

 - Geology of the Blue Ridge near Balcony Falls, Virginia ; 



a modified view. Amer. Jl. Sci., 28, 1884, 221-223. 

 Campbell, John P. On the action of peptone in preventing 



blood coagulation. [1887.] Johns Hopkins Biol. Lab. 



Stud., 4, 1887-90, 1-12. 



Experiments on tetanus and the velocity of the con- 

 traction wave in striated muscle. [1888.] Johns Hopkins 

 Biol. Lab. Stud., 4, 1887-90, 123-145. 



Notes on muscle physiology. [1888.] Johns Hopkins 



Univ. Cire., 7 (1887-88), 84. 

 Campbell, John T. Topographical phenomena in Indiana. 



Amer. Natlist., 18, 1884. 367-379. 



Why certain kinds of timber prevail in certain localities. 

 Amer. 'Natlist., 19, 1885, 337-341. 



A barometer for measuring separately the weight and 



pressure of the air. Amer. Natlist. , 19, 1885, 387-389. 

 - Age of forest trees. Amer. Natlist., 19, 1885, H38-844. 

 Track of a cyclone which passed over western Indiana 

 more than three hundred years ago. Amer. Natlist., 20, 

 1886, 348-353. 



Causes of forest rotation. Amer. Natlist. , 20, 1886, 

 521-527, 851-856. 



Origin of the Loess. Amer. Natlist., 23, 1889, 785- 



792. 



Source of supply to lateral and medial glacial moraines. 

 Amer. Ass. Proc., 1891, 255-256. 



Auroral display. Science, 20, 1892, 66-67. 

 Campbell, (Rev. ) Joseph. The gold-fields of the Hauraki 



Peninsula, New Zealand. [With discussion.] [1896-97.] 



N. Eng. Inst. Min. Engiu. Trans., 46, 1898, 78-103, 141. 

 Campbell, Keith. An accessory segment in the pulmonary 



valve. Jl. Anat. Physiol., 30, 1896, 347-348. 

 Campbell, Marius R. Geology of the Big Stone Gap coal 



field of Virginia and Kentucky. U. S. Geol. Surv. Bull. , 



No. Ill, 1893, 106pp. 

 Paleozoic overlaps in Montgomery and Pulaski 



counties, Virginia. [1893.] Amer. Geol. Soc. Bull., 5, 



1894, 171-190. 

 Tertiary changes in the drainage of southwestern 



Virginia. 'Amer. Jl. Sci., 48, 1894, 21-29. 

 . [Administrative] report. [1895.] U. S. Geol. Surv. 



Rep.. 1893-94, 151-153. 

 Drainage modifications and their interpretation. Jl. 



for Cheddar eheese- 

 10, 1898, 181-224; 



Geol. (Chicago), 4, 1896, 567-581, 657-678. 



Erosion at base level. [1896.] Amer. Geol. Soc. Bull., 

 8, 1897, 221-226. 



Rapid section-work in horizontal rocks. [1896.] 

 Amer. Inst. Min. Eugin. Trans., 26, 1897, 298-315. 



Origin of certain topographic forms. [1896.] Jl. 

 Geol. (Chicago), 5, 1897, 323-324; Science, 5, 1897, 

 83-84. 



Earthquake shocks in Giles Co., Va. Science, 7, 

 1898, 233-235. 



Stratigraphy of the Pottsville series in Kentucky. 

 [1899.] Science, 11, 1900, 140. 



Campbell, Mnrius R., A Hayes, Charles Willard. See 



Hayes A Campbell. 

 Campbell, Marius R., & Mendenhall, Walter C. Geologic 



section along the New and Kanawha rivers in West 



Virginia. [1896.] U. S. Geol. Surv. Rep., 1895-96 



(Pt. 2), 473-511. 

 Campbell, R[obert] Neil. Ankylostomiasis in the Anda- 



mans. Indian Med. Gaz., 35, 1900, 377-380. 

 Campbell, Robert. *On the composition for leave to an 



assured to reside abroad. [I860.] Assur. Mag., 9, 1861, 



167-170. 



*0n the stability of results based upon average 

 calculations, considered with reference to the number of 

 transactions embraced. [I860.] Assur. Mag., 9, 1861, 

 216-234. 



Campbell, (Rev.) Robert. Notes on the flora of Cap-a- 



52 



