Johnson] 



[Johnston 



Some theorems relating to groups of circles and 



spheres. Amer. Jl. Math., 14, 1892, 97-114. 



The mechanical axioms or laws of motion. N. Y. Math. 



Soc. Bull., 1, 1892, 1-29-139. 



- On PETEHS'S formula for probable error. [1892.] 

 N. Y. Math. Soc. Bull., 2, 1893, 57-61. 



On GAUSS'S method of substitution. [1893.] Ann. 

 Math., 7 (1892-93), 65-69. 



A case of non-euclidian geometry. N. Y. Math. Soc. 

 Bull., 2, 1893, 158-161. 



On the construction of the roots of a quadratic whose 



coefficients are complex. N. Y. Math. Soc. Bull., 2, 1893, 

 171. 



Gravitation and absolute units of force. N. Y. Math. 

 Soc. Bull., 3, 1894, 197-1'J9. 



Kinetic stability of central orbits. N. Y., Amer. 



Math. Soc. Bull., 1, 1895, 193-196. 



Johnson, Willis Grant. Preliminary notes on five new 

 species of scale insects. Philad., Eut. News, 7, 1896, 

 150-152. 



- Entomological notes from Maryland. U. S. Div. 

 Ent. Bull., 6, 1896, 63-66. 



Notes on new and old scale insects. U. S. Div. Ent. 



Bull., 6, 1896, 74-78. 



- Notes from Maryland on the principal injurious 

 insects of the year. U. S. Div. Ent. Bull., 9, 1897, 

 80-82 ; 17, 1898, 92-94. 



Notes on some little known insects of economic im- 

 portance. U. S. Div. Ent. Bull., 9, 1897, 83-85. 



Descriptions of five new species of scale insects, with 



notes. [1896.] 111. Lab. Nat. Hist. Bull., 4, 1898, 380- 

 395. 



Notes on the external characters of the San Jose 



scale, cherry scale, and PUTNAM'S scale. Canad. Ent., 

 30, 1898, 82-83. 



Hydrocyanic acid gas as a remedy for the San Jose 

 scale and other insects. U. S. Div. Ent. Bull., 17, 1898, 

 39-43. 



- The odour of Coccidae. Canad. Ent., 31, 1899, 

 87-88. 



The Emory fumigator : a new method for handling 



hydrocyanic-acid gas in orchards. U. S. Div. Ent. 

 Bull., 20, 1899, 43-45. 



Miscellaneous entomological notes. 



U. S. Div. Ent. 

 Bull., 20, 1899, 62-68. 



- The destructive pea louse, a new and important 

 economic species of the genus Nectarophora. U. S. 

 Div. Ent. Bull., 20, 1899, 94-98. 



The stalk worm ; a new enemy to young tobacco. 



U. S. Div. Ent. Ball., 20, 1899, 99-102. 



The destructive green-pea louse. Canad. Ent., 32, 



1900, 56-60. 



Notes upon the destructive green pea louse (Nectaro- 

 phora destructor, Johns.) for 1900. U. S. Div. Ent. 

 Bull., 26, 1900, 55-58. 



Aphelinus fuscipennis an important parasite upon the 

 San Jose scale in Eastern United States. U. S. Div. 

 Ent. Bull., 26, 1900, 73-75. 



Notes on insects of economic importance for 1900. 



U. S. Div. Ent. Bull., 26, 1900, 80-84. 

 Johnsson, K. R. [? Johnson, K[arl] R[udolf], q. v.]. Om 



metafosforsyrans inverkan pa dioch tri-oxider. [1888.] 



Stockh., Ak. Handl. Bihang,14 (Afd.2), 1889, A'o. 1,13 pp. 



Ueber einige Phosphate von mehrwerthigen Metallen. 



Berlin, Chem. Ges. Ber., 22, 1889, 976-980. 

 Johnston, [John HcCubbin], & Monro, T[homas] K[irk- 



patrick]. Case of acromegaly ; autopsy ; round-celled 



sarcoma of pituitary body. [1898.] Glasgow Path. Clin. 



Soc. Trans., 7, 1899, 150-155. 

 Johnston, A. Mi- Arthur. An experiment in cyanide 



poisoning. [With discussion.} [1899.] S. Africa Chem. 



Metall. Soc. Proc., 2 (1897-99), 676-683, 722-723, 737- 



738, 766-767, 785-786. 



Johnston, Charles. Race et caste dans 1'Inde. [IV.] 



Anthrop. (Paris), 6, 1895, 176-181. 

 Johnston, Christopher. For biographical notice see Johns 



Hopkins Univ. Circ., [11 (1891-92)], 31. 

 Diagnostitial laparotomy. [With discussion.] N. Y. 



Med. Jl., 43, 1886, 531-532. 



On media for mounting very perishable artificial 



crystal sections. [1887.] Johns Hopkins Univ. Circ., 

 [6] (1886-87), 79-80. 



The preparation of Diatomacese. [1872.] Minn. 



Geol. Nat. Hist. Surv. Rep., 20, 1893, 307-316. 



Johnston, Edwin J. Esboco d um calendario da flora dos 

 arredores do Porto. Annaes Sci. Nat., 1, 1894, 5-16, 

 85-90, 127-134, 181-186; 2, 1895, 31-34, 147-154, 209- 

 214 ; 3, 1896, 33-38, 129-136, 203-210. 

 - Carex Duriaei, Steudel. Annaes Sci. Nat., 1, 1894, 

 158-159. 



Johnston, (Miss) Etta J., & Carnelley, Thomas. Effect 

 of floor-deafening on the sanitary condition of dwelling 

 houses. Roy. Soc. Proc., 45, 1889, 346-351. 



The relation of physiological action to atomic weight. 



Nature, 41, 1890, 189-190. 



Johnston, (Surg.-Mdj.) H[enry] H[alcro]. Additions to 

 the flora of Orkney, as recorded in WATSON'S " Topo- 

 graphical Botany," 2nd Ed. Ann. Scott. Nat. Hist., 

 1895, 173-181. 



Report on the flora of Round Island, Mauritius. 



[1894.] Edinb. Bot. Soc. Trans. & Proc., 20, 1896, 

 237-264. 



Report on the flora of tie des Aigrettes, Mauritius. 



[1894.] Edinb. Bot. Soc. Trans. & Proc., 20, 1896, 

 317-331. 



Report on the flora of Les Bnitiers, Mauritius. 



[1894.] Edin. Bot. Soe. Trans. & Proc., 20, 1896, 

 331-335. 



Report on the flora of the outlying islands in Mah- 



bourg Bay, Mauritius. [1895.] E'dinb. Bot. Soc. Trans. 



& Proc.. 20, 1896, 353-374. 

 Additions to the flora of Mauritius, as recorded in 



BAKER'S " Flora of Mauritius and the Seychelles." 



[1895.] Edinb. Bot. Soc. Trans. & Proc., 20, 1896, 



391-407. 

 Johnston, (Sir) Harry H[amilton]. On the races of the 



Congo and the Portuguese colonies in Western Africa. 



[With discussion.] Anthrop. Inst. JL, 13, 1884, 461-479. 

 The Kilima-njaro Expedition. Geogr. Soc. Proc., 7, 



1885, 137-157. 

 British interests in Eastern Equatorial Africa. More 



especially in the Kilima-njaro district and on the 



Victoria Nyanza. Scott. Geogr. Mag., 1, 1885, 145-156. 

 The Portuguese possessions in West Africa. Scott. 



Geogr. Mag., 1, 1885, 465-482. 



General observations on the fauna of Kilima-njaro. 



Zool. Soc. Proc., 1885, 214-218. 



The people of Eastern Equatorial Africa. 

 Anthrop. Inst. Jl., 15, 1886, 3-15. 



A journey up the Cross River, West Africa. 

 Soc. Proc., 10, 1888, 435-138. 



The Bantu borderland in Western Africa. 



[1885.] 

 Geogr. 



Geogr. 



Soc. Proc., 10, 1888, 633-637. 



- The Niger delta. Geogr. Soc. Proc., 10, 1888, 749- 

 763. 



Explorations in the Cameroons district of Western 

 Equatorial Africa. Scott. Geogr. Mag., 4, 1888, 513- 



536. 



Lake 



Journey north of Lake Nyassa and visit to 



Leopold. Geogr. Soc. Proc., 12, 1890, 225-227. 



British Central Africa. Geogr. Soc. Proc., 12, 1890, 



713-740. 

 The British 



Central Africa Protectorate. [1894.] 



Geogr. Jl., 5, 1895, 193-214. 

 A journey through the Tunisian Sahara. 

 11, 1898, 581-608. 



Geogr. Jl., 



162 



