WIL] 



1245 



[WIL 



Williamson, Alex. Win. 30. Address to the 

 members of the BRITISH ASSOCIATION delivered 

 at Bradford. Brit. Assoc. Rep. XLIII., 1873, 

 pp. Ixx-xci. 



Williamson, Alex. Wm., and Russell, W. J. 

 2. On a new method of gas-analysis. Chem. 

 Soc. Journ. II., 1864, pp. 238-257.' 



Williamson, Benjamin. 2. On GAUSS'S theorem 

 of the measure of curvature at any point of a 

 surface. Quart. Journ. Math. XI., 1871, pp. 

 362-366. 



3. Conditions for a maximum or a minimum 



in a function of any number of variables. 

 Quarterly Journ. Math. XII., 1873, pp. 48- 

 61. 



Williamson, (Rev.} C. G. On the volcanic phe- 

 nomena of Hawaii. Geol. Soc. Quart. Journ. 



XXV., 1869, pp. 432-434 ; Phil. Mag. XXXIX., 



1870, pp. 390-391. 

 Williamson, Ezekiel. Geology of Parahiba and 



Pernambuco gold regions. Manchester, Geol. 



Soc. Trans. VI., 1866-67, pp. 113-121. 

 Williamson, Ezekiel, and Plant, J. The 



geology and fossils of the Lingula Flags, or 



Primordial Zone, of the Gold districts of North 



Wales. Manchester, Geol. Soc. Trans. V., 1866, 



pp. 220-230. 

 Williamson, J. Determination of the latitude of 



Kingston Observatory, Canada. [1867.] Astron. 



Soc. Month. Not. XX VIII. , 1868, pp. 12-13. 

 Williamson, R. S. Ascent of Mt. Hood in 



Oregon, and determination of its height. Amer. 



Journ. Sci. XLIV., 1867, pp. 429-431 ; 



California Acad. Proc. III., 1868, pp. 364- 



377. 

 Williamson, William Crawford. 32. The 



anatomy and physiology of the Foraminifera. 



Popular Sci. Review, IV., 1865, pp. 171-179. 



33. On a Cheirotherian foot-print from 



the base of the Keuper Sandstone of Daresbury, 

 Cheshire. Geol. Soc. Quart. Journ. XXII., 

 1866, pp. 534-535 ; XXIII., 1867, pp. 56-57 ; 

 Phil. Mag. XXXIL, 1866, p. 155. 



34r. The Amoeba : its structure, develop- 

 ment, and habits. Popular Sci. Review, V., 

 1866, pp. 188-197. 



35. The common fresh-water sponge : 

 Spongilla fluviatilis. Popular Sci. Review, VII., 

 1868, pp. 1-9. 



36. On the structure of an undescribed 



type of Calamodendron from the upper coal- 

 measures of Lancashire. [1868.1 Manchester, 

 Lit. Phil. Soc. Proc. VIIL, 1869fpp. 36-37. 



37. Additional notes on the structure of 



Calamites. Manchester, Lit. Phil. Soc. Proc. 

 VIIL, 1869, pp. 153-155. 



- 38. On the structure and affinities of some 

 exogenous stems from the coal-measures. 

 Monthly Microsc. Journ. II., 1869, pp. 66-72. 



Williamson, William Crawford. 39. What is 

 Bathybius? Popular Sci. Review, VIIL, 1869, 

 pp. 350-357 ; American Naturalist, III., 1870, 

 pp. 651-662. 



4O. On the organization of the stems of 



Calamites. Brit. Assoc. Rep. XL., 1870 (Sect.*), 

 pp. 89-90 ; Manchester, Lit. Phil. Soc. Proc. 

 IX., 1870, pp. 76-78. 



41. Contributions towards the history of 



Zamia gigas, Lindl. and Hutt. [1868.] Linn. 

 Soc. Trans. XXVL, 1870, pp. 663-674. 



42. On a new form of Calamitean Strobi- 



lus. [1869.] Manchester, Lit. Phil. Soc. Proc. 

 IX., 1870, pp. 7-9 ; Manchester, Lit. Phil. Soc. 

 Mem., IV., 1871, pp. 248-265. 



43. [On the structure of the gizzards and 



teeth of the Rotifera.] Manchester, Lit. Phil. 

 Soc. Proc. IX, 1870, pp. 176-178. 



44. On the Sphserosira volvox, Ehrenb. 



Popular Sci. Review, IX., 1870, pp. 225-230. 



45. On the structure of the Dictyoxylons 



of the coal-measures. Brit. Assoc. Rep. XLL, 

 1871 (Sect.), pp. 111-112. 



46. On the classification of the vascular 



Cryptogamia, as affected by recent discoveries 

 amongst the fossil plants of the coal-measures. 

 Brit. Assoc. Rep. XLL, 1871 (Sect.), pp. 131- 

 132. 



47. On the structure of the woody zone of 



an undescribed form of Calamite (? Calauiopitus). 

 [1868.] Manchester, Lit. Phil. Soc. Mem. IV.,. 



1871, pp. 155-183. 



48. On the organisation of an undescribed 



verticillate Strobilus from the lower coal- 

 measures of Lancashire. Manchester, Lit. Phil. 

 Soc. Proc. X., 1871, pp. 105-106. 



49. [On the structure of some specimens 



ofStigraaria.] Manchester, Lit. Phil. Soc. Proc. 

 X., 1871, pp. 116-118. 



6O. Exogenous structures amongst the 



stems of the coal-measures. Nature, IV., 1871, 

 pp. 490-492. 



51. On the organization of the fossil plants 



of the Coal -measures. Part 1. Calamites. 

 [1870.] Phil. Trans. CLXL, 1871, pp. 477- 

 510; Roy. Soc. Proc. XIX., 1871, pp. 268- 

 271 ; Ann. Mag. Nat. Hist. VII., 1871, pp. 

 299-302. 



52. On the organization of the fossil plants 



of the coal-measures. Part 2. Lycopodiacese : 

 Lepidodendra and Sigillariae, with supplementary 

 observations. [1871.] Phil. Trans. CLXIL, 



1872, pp. 197-240 ; Roy. Soc. Proc. XIX., 1871, 

 pp. 500-504 ; Ann. Mag. Nat. Hist. VIIL, 

 1871, pp. 134-138. 



53. On the organization of the fossil plants 



of the coal-measures. Part 3. Lycopodiaceae. 

 Phil. Trans. CLXIL, 1872, pp. 283-318 ; Roy. 

 Soc. Proc. XX., 1872, pp. 199-203. 



