YOU] 



869 



[YOU 



Comet b, 1881. Amer. Journ. Sci., 22, 1881, 

 pp. 135-137; Spettrosc. Ital. Mem., 10, 1881, 

 pp. 242-244. 



Young, Charles Augustus. 43. The twenty- 

 three inch telescope of the Halsted Observatory 

 at Princeton. Amer. Assoc. Proc., 1882, pp. 

 112-116. 



44. La lumiere et la chaleur du Soleil. 

 [Trad.] Revue Scientif., 4, 1882, pp. 549- 

 559. 



45. Observations of the Transit of Venus, 

 Dec. 6, 1882, at Princeton, New Jersey, and 

 South Hadley, Mass. Arner. Journ. Sci., 25, 

 1883, pp. 321-329. 



46. Spectroscopic notes. Amer. Journ. 



Sci., 26, 1883, pp. 333-336; Spettrosc. Ital. 

 Mem., 12, 1884, pp. 247-249. 



Young, Charles Augustus, & Brackett, Cyrus 

 Fogg. Notes of experiments upon Mr. EDISON'S 

 dynamometer, dynamo-machine and lamp. Amer. 

 Journ. Sci., 19, 1880, pp. 475-479. 



Young, (Maj.) George Frederick. Notes on the 

 Shaktu Valley, Waziristan. Geogr. Soc. Proc., 

 4, 1882, pp. 537-544. 



Young, (Rev.} George Paxton. 1O. Relation of 

 the law of gravitation to the principle of the 

 conservation of energy ; with a proof of the 

 necessary transformation of the force of gravity, 

 at a certain limit, from a force of attraction to 

 one of repulsion. Canadian Journal, 14, 1875, 

 pp. 589-596. 



Young, Herbert A. Catalogue of the flora of 

 " Oak Island ", Revere, Massachusetts : with 

 notes. Introduction and summary by John 

 ROBINSON. [1882.] Essex Instit. Bull., 14, 

 1883, pp. 141-157. 



Young, James, & Forbes, George. Experi- 

 mental determination of the velocity of white 

 and of coloured light. Roy. Soc. Proc., 32, 1881, 

 pp. 247-249; Phil. Trans., 173, 1883, pp. 231- 

 289 ; Chemical News, 43, 1881, p. 249. 



Young, John (M.D.}. 18. *Some points in geo- 

 logical terminology. [Closing presidential address. 

 Feb. 8th, 1872.] Glasgow Geol. Soc. Trans., 4, 

 1874, pp. 109-123. 



19. [Presidential address to the Geol. 

 Sect, of the Brit. Assoc. at Glasgow, Sept. 6th. 

 Difficulties in summarizing the principles of 

 geology.] Brit. Assoc. Rep., 1876 (Sect.), pp. 

 72-80 ; Nature, 14, 1876, pp. 399-403. 



20. Corals in the Hunterian Museum 



figured by ELLIS and SOLANDER. Ann. Mag. 

 Nat. Hist., 19, 1877, p. 116. 



21. What must be explained before the 



preservation of deposits under till is explained. 

 Geol. Mag., 5, 1878, pp. 162-164. 



22. On the head of the lobster. Journ. 

 Anat. Physiol., 14, 1879 [1880], pp. 348-350. 



23. The spiral character of ccelenterate 



development. Ann. Mag. Nat. Hist., 5, 1880, 

 p. 212. 



Young, John (M.D.), & Young, John (LL.D.). 

 2. On [Rhabdomeson], a new genus of carboni- 

 ferous Polyzoa. Ann. Mag. Nat. Hist., 13, 1874, 

 pp. 335-339. 



3. Note on the occurrence of Poly- 



pora tuberculata, Prout, in Scotland. Geol. 

 Mag., 1, 1874, pp. 258-259. 



4. New carboniferous Polyzoa : 



[Actinostoma fenestratum ; Glauconome stelli- 

 pora]. Geol. Soc. Quart. Journ., 30, 1874, pp. 

 681-683. 



5. On Palseocoryne and other poly- 



zoal appendages. Geol. Soc. Quart. Journ., 30, 

 1874, pp. 684-687. 



6. On new carboniferous Polyzoa. 



Ann. Mag. Nat. Hist., 15, 1875, pp. 333- 

 336. 



7. On a carboniferous Hyalonema 



and other sponges from Ayrshire. Ann. Mag. 

 Nat. Hist., 20, 1877, pp. 424-432. 

 Young, John (LL.D.). N.B. No. 9 (Vol. 8) is a 

 reprint of the paper indexed on p. 469 ( Vol. 6), 

 col. 1, 11. 34 & 35. 



13. *0n the occurrence of Saccammina 



carteri, Brady, in the limestone series of the 

 Lanarkshire coalfield. [1872.] Glasgow Geol. 

 Soc. Trans., 4, 1874, pp. 263-266. 



14. *On the probable source of certain 



boulders in the till of the Glasgow district. 

 [1873.] Glasgow Geol. Soc. Trans., 4, 1874, pp. 

 259-263. 



15. Notes accompanying two slides of 



carboniferous Polyzoa, from the fossiliferous 

 shales at Hairmyres, near East Kilbride, Lanark- 

 shire. Edinburgh Geol. Soc. Trans., 2, 1874, pp. 

 400-402. 



16. On siliceous sponges from the carboni- 

 ferous limestone near Glasgow. Brit. Assoc. 

 Rep., 1876 (Sect.), p. 99. 



17. On a bed of fine-grained indurated 



sandstone, enclosing rolled pebbles of quartzite 

 interstratified with the trap of the Campsie Fells. 

 [1874.] Glasgow Geol. Soc. Trans., 5, 1877, pp. 

 51-54. 



18. Notes on Scottish carboniferous Mi- 



crozoa, and the methods by which they may be 

 collected and mounted. Edinburgh Geol. Soc. 

 Trans., 3, 1880, pp. 299-303. 

 19. Notes on the limestone strata of the 



district around Glasgow. [1877.] Glasgow Geol. 

 Soc. Trans., 6, 1882, pp. 29-38. 



2O. A new Scottish mineral (bowlingite). 

 [1878.] Glasgow Geol. Soc. Trans., 6, 1882, pp. 

 63-68. 



21. Notes on the perfect condition of the 

 cell-pores and other points of structure in certain 

 species of carboniferous Polyzoa from western 



