JOH] 



559 



LJOH 



Johnson, Walter R. 22. Some observations ou 

 the mechanical structure of coal, with evidences 

 of the contemporaneous origin of its various 

 kinds. Philad. Acad. Nat. Sci. Journ. VIII., 

 1839-42, pp. 173-178. 



23. Examination and analysis of coal 



found in the province of Arauco, coast of Chili, 

 thirty miles south of Bio Bio river. Philad. 

 Acad. Nat. Sci. Journ. VIII., 1839-42, pp. 180- 

 182 ; Philad. Acad. Nat. Sci. Proc. I., 1841-43, 

 pp. 21-23. 



24. On the relation between the coal of 



South Wales and that of some Pennsylvania!! 

 anthracites. Philad. Acad. Nat. Sci. Journ. 

 VHL, 1839-42, pp. 195-199 ; Philad. Acad. 

 Nat. Sci. Proc. I., 1841-43, pp. 40-42. 



25. Notice of a report of a geological, 



mineralogical, and topographical examination of 

 the coal-field of Carbon creek, with an analysis 

 of the minerals. Silliman, Journ. XXXIX., 

 1840, pp. 137-149. 



26. Remarks on the Bear Valley coal 



district in Dauphin county, Pennsylvania. 

 Franklin Inst. Journ. II., 1841, pp. 318-327. 



27. Remarks on the application of Anthra- 

 cite to the smelting of the magnetic iron ores 

 of New Jersey. Philad. Acad. Nat. Sci. Proc. 

 I., 1841-43, pp. 42-43. 



28. Remarks on the samples of Anthracite 



from Rhode Island. Philad. Acad. Nat. Sci. 

 Proc. I., 1841-43, pp. 118-119. 



29. Observations on the spontaneous com- 

 bustion of Bituminous Coal. Philad. Acad. 

 Nat. Sci. Proc. I., 1841-43, p. 140. 



3O. [Some statements respecting a number 



of minerals and fossils from the coal regions of 

 Pennsylvania.] Boston, Proc. Nat. Hist. Soc. 

 I., 1841-44, pp. 43-45. 



31. [On the calorific powers of combustible 



bodies.] Philad. Acad. Nat. Sci. Proc. II., 

 1844-45, pp. 202-206. 



32. Examination and analyses of samples 



of the alluvial soil of the Nile, from Korosco, in 

 Nubia. Philad. Acad. Nat. Sci. Proc. II., 1844- 

 45, pp. 318-324. 



33. A report to the Navy department of 



the United States on American Coals applicable 

 to steam navigation and to other purposes. 

 Silliman, Journ. XLIX., 1845, pp. 310-336. 



34. Effect of heat on the tenacity of Iron. 



Silliman, Journ. L, 1846, pp. 299-300. 



. 35. A section of the Coal Seams and 



accompanying Measures of the Hazelton Coal 

 basin in Luzerne County, Penn., as an illustra- 

 tion of the construction and colouring of Geo- 

 logical Sections. Silliman, Journ. V., 1 848, pp. 

 111-113. 



Johnson, U'alter If. 36. On some experimental 

 determinations of the economic values of British 

 and American Coals. Amer. Assoc. Proc. 1849, 

 pp. 221-231. 



37. Some observations on the Gold form- 

 ations of Maryland, Virginia, and North Caro- 

 lina. Amer. Assoc. Proc. 1850, pp. 20-22. 



38. On the Coal formation of Central North 



Carolina. Amer. Assoc. Proc. 1850, pp. 274 

 276. 



39. Report on Prof. PAGE'S Electro-mag- 

 netic engine. Silliman, Journ. X., 1850, pp. 

 473-476. 



4O. On some theoretical and practical 



methods of determining the calorific efficiencies 

 of Coals. Brit. Assoc. Rep. 1851 (pt. 2), pp. 

 47-51. 



41. Comparison of experiments on Ame- 



rican and foreign Building Stones to determine 

 their relative strength and durability. Silliman, 

 Journ. XL, 1851, pp. 1-17. 



Johnson, William. Stone for building purposes. 

 Victoria, Pharm. Soc. Journ. I., 1858, pp. 146- 

 150. 



2. Yan Yean water and lead poison. 



Australian Med. Journ. V., 1860, pp. 241-251. 



Johnston, Alex. Keith. Historical notice of the 

 progress of the Ordnance Survey in Scotland. 

 Ediub. Roy. Soc. Proc. III., 1857, pp. 31-35. 



2. Recent observations on the Florida 



Gulf-stream. Ediub. New Phil. Journ. XVI., 

 1862, pp. 57-70. 



Johnston, A. R. Note on the island of Hong- 

 Kong. Geogr. Soc. Journ. XIV., 1844, pp. 

 112-116. 



Johnston, C. C. Observations on Suspension 

 Bridges, with a plan. Madras Journ. 'jJVUI., 

 1838, pp. 329-333. 



Johnston, Christopher. Auditory apparatus of 

 the Culex Mosquito. Journ. Microsc. Sci. III., 

 1855, pp. 97-102. 



2. Contributions to the minute anatomy of 



the Teeth. Brit. Journ. Dental Sci. I., 1856- 

 57, pp. 484-487. 



3. Colour of Blood corpuscles. Journ. 

 Microsc. Sci. V., 1857, pp. 19-20. 



4. On a method of preparing and mounting 



hard tissues for the Microscope. Silliman, 

 Journ. XXV., 1858, pp. 232-235 ; Canadian 

 Naturalist, III., 1858, pp. 64-67 ; Journ. 

 Microsc. Sci. VII., 1859, pp. 258-261. 



5. Upon a diatomaceous earth from Not- 



tingham, Calvert Co., Maryland. Amer. Asset-. 

 Proc. 1860, pp. 159-161 ; Journ. Miscroc. Sci. 

 VIH., 1860, pp. 11-21. 



6. Description of a pseudencephalic mon- 

 ster. Amer. Journ. Med. Sci. XLiV., 1862, pp. 

 96-99. 



