SPO] 



781 



[SPR 



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1O. On certain geometrical theorems. 



Camb. and Dubl. Math. Journ. VIII., 1853. pp. 

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11. On the curvature of curves in space. 

 Camb. and Dubl. Math. Journ. IX., 1854, pp. 

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12. [Geometrical correspondence with Mr. 



DONKIN.] Crelle, Journ. XLVIL, 1854, pp. 

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13. Researches on the theory of invariants. 



Roy. Soc. Proc. VII., 1854-55, pp. 204-207. 



14. Elementary theorems relating to de- 

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15. Note on axes of equilibrium. Quart. 



Journ. Math. I., 1857, pp. 36-38. 



16. On a theorem in Statics. Quart. Journ. 

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17. On an extended form of the index 



symbol in the calculus of operations. Roy. Soc. 

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 1860, pp. 13-42. 



18. Note on the supposed discovery of 



the principle of the differential calculus by an 

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1860, pp. 221-222. 



19. On typical mountain ranges : an appli- 

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20. On the calculus of functions. Roy. 



Soc. Proc. XL, 1860-62, pp. 447-449. 



21. On internal and external division in 

 the calculus of symbols. Roy. Soc. Proc. XL, 

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22. On a method for determining longi- 

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1861, pp. 343-355 ; Geogr. Soc. Proc. V., 

 1861, pp. 234-237. 



23. On PETZVAL'S asymptotic method of 

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24. On the reduction of the decadic binary 

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25. Sur quelques formules generates dans 



le calcul des operations. Crelle, Journ. LIX., 

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26. On the contact of curves. [1861.] 



Phil. Trans. 1862, pp. 41-52. 



27. On the calculus of symbols. Phil. 



Trans. 1862, pp. 99-120. 



Spottiswoode, If'illiniH. 28. On the Surya 

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29. On differential resolvents. Quart. 



Journ. Math. VI., 1863, pp. 262-266; Man- 

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 3O. On the equations of rotation of a solid 



body about a fixed point. Roy. Soc. Proc. 

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Sprague, C. J. Description of Arauja serico- 

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2. On Ranunculus micranthus. Boston. 

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 156. 



3. Contributions to New England myco- 

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 56, pp. 323-332 ; VI., 1856-59, pp. 315-321. 



4. On the botanical position of the Chinese 

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 VI., 1856-59, pp. 181-183. 



5. The botany of Sorghum vulgare. Bosto:!. 



Proc. Nat. Hist. Soc. VI., 1856-59, pp. 321- 

 326. 



6. Is the Heath indigenous to the United 



States ? Boston, Proc. Nat. Hist. Soc. IX., 



1863, pp. 38-41, 207-210. 

 Spratt, James. Invention of a Homograph, or 



method of communication by signals, on sea or 



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329. 

 Spratt, (Captain} Thomas A. B. Remarks on 



the supposed situation of Minoa and Nisaea. 



Geogr. Soc. Journ. VIII., 1838, pp. 205-209. 

 2. Notices connected with the geology of 



the island of Rhodes. Geol. Soc. Proc. III., 



1842, pp. 773-775. 



3. On the geology of Lycia. Geol. Sec. 



Journ. I., 1845, pp. 8-10. 



4. On the geology of the southern part of 



the gulf of Smyrna and the promontory of 

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5. On the geology of the Maltese islands. 



[1843.] Geol. Soc. Proc. IV., 1846, pp. 225- 

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6i Remarks on the lakes of Benzerta, in 

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7. Remarks on the geology of the island 



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8. On the geology of a part of Euboca and 



Boeotia. Geol. Soc. Journ. III., 1847, pp. 67- 

 73. 



9. Remarks on the isthmus of Mount 



Athos. Geogr. Soc. Journ. XVIL, 1847, pp. 

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