AGU] 



[AIR 



Agnilar, A. [Etoiles filantes de la periode de 

 Novembre observers a Madrid. Passage de Mer- 

 cure.] Astr. Nachr. LXXII., 1868, col. 353- 

 356. 



2. Note surles etoiles filantes de Novembre. 



Paris, Acad. Sci. Compt. Rend. LXVIL, 1868, 

 pp. 1037-1039. 



3. Passage de Mercure sur le disque du 



Soleil, le 5 Novembre 1868, observe a Madrid. 

 Paris, Acad. Sci. Compt. Rend. LXVIL, 1868, 

 pp. 1039-1040, 1332-1333. 



Ahrens, C. D. On a new form of binocular 

 microscope for high powers. Monthly Microsc. 

 Journ. V., 1871, pp. 113-115. 



Ahrens, W. Ueber Toluylsaure aus dem Xylol 

 des Steinkohlentheerols. Zeitschr. f. Chemie, 

 V., 1869, pp. 102-107. 



Ahrens, // '.. Fittig, Rud., und Mattheides, L. 

 Ueber das Xylol des Steinkohlentheers und das 

 durch Synthese dargestellte Methyltoluol (Di- 

 methylbenzol). [1867.] Annal. Chem. Pharm. 

 CXLVII., 1868, pp. 15-38 ; Annales de Chimie, 

 XVI., 1869, pp. 451-455. 



Aichinger, Valentin von. Beitrage zur Kennt- 

 niss der Hymenopteren-Fauna Tirols. Inns- 

 bruck, Zeitschr. Ferdinandeums, XV., 1870, 

 pp. 293-308. 



2. Beschreibung neuer entdeckter Arten : 



1. Cimbex cuprea; 2. Tenthredo poecilopus; 

 3. T. halensis. Innsbruck, Zeitschr. Ferdi- 

 nandeums, XV., 1870, pp. 308-310. 



3. Beschreibung von Crabro dives, nov. 



var., C. rhaeticus, nov. sp., Tachytes rufipes, 



n. sp. Innsbruck, Zeitschr. Ferdinandeums, 



XV., 1870, pp. 327-330. 

 Aiken, C. E. A new species of sparrow : Cen- 



tronyx ochrocephalus. American Naturalist, 



VII., 1873, pp. 236-237. 

 2. Memoranda on the birds of Wyoming 



and Colorado territories. [1872.] Boston, Nat. 



Hist. Soc. Proc. XV., 1873, pp. 193-210. 

 Aikman, John. Two cases of rare congenital 



malformation : imperforate anus and double 



uterus and vagina. Glasgow Med. Journ. IV., 



1872, pp. 306-308. 



Aime de . Un trait de moeurs du Pivert. 



Les Mondes, V., 1864, pp. 9-10. 



*Airy, (Sir) George Biddell. On the strains in 

 the interior of beams. Phil. Mag. XXVI. 1863 

 pp. 149-151. 



* 2. On the numerical expression of the de- 

 structive energy in the explosions of steam- 

 boilers, and on its comparison with the destruc- 

 tive energy of gunpowder. Phil. Mag. XXVI., 



1863, pp. 329-336; Franklin Instit. Journ. 

 XL VII., 1864, pp. 244-250 ; Les Mondes, VI., 



1864, pp. 73-77. 



Airy, (Sir) George Biddell. 3. On the discord- 

 ance between the results for Zenith-distances 

 obtained by direct observation, and those obtained 

 by observation by reflexion from the surface of 

 quicksilver. [1863.] Astron. Soc. Mem. 

 XXXIL, 1864, pp. 9-17. 



4. On the amount of light given by the 



Moon at the greatest stage in the excentrically- 

 total eclipse, 1863, June 1st. Astron. Soc. 

 Month. Not. XXIV., 1864, p. 67. 



5. Comparison of the Chinese record of 



solar eclipses in the Chun-Tsew with the compu- 

 tations of modern theory. Astron. Soc. Month. 

 Not. XXIV., 1864, pp. 167-168. 



6. On the transit of Venus, 1882, De- 

 cember 6. Astron. Soc. Month. Not. XXIV., 

 1864, pp. 173-177. 



7. On the bright band bordering the Moon's 

 limb in photographs of eclipses. Astron. Soc. 

 Month. Not. XXIV., 1864, pp. 188-189. 



8. On the substitution of methods founded 



on ordinary geometry for methods based on the 

 general doctrine of proportions, in the treatment 

 of some geometrical problems. [1857.] Cam- 

 bridge, Phil. Soc. Trans. X., 1864, pp. 166- 

 172. 



9. Suggestion of a proof of the theorem 



that every algebraic equation has a root. [1858.] 

 Cambridge, Phil. Soc. Trans. X., 1864, pp. 283- 

 289, 327-330. 



1O. On the diurnal inequalities of terrestrial 



magnetism, as deduced from observations made 

 at the Royal Observatory, Greenwich, from 1841 

 to 1857. [1863.] Phil. Mag. XXVII., 1864, 

 pp. 234-236. 



11. First analysis of 177 magnetic storms, 



registered by the magnetic instruments in the 

 Royal Observatory, Greenwich, from 1841 to 

 1857. [1863.] Roy. Soc. Proc. XIII., -1864, 

 pp. 48-50. 



1 12. Comparison of the Transit-instrument 



in its ordinary or reversible form with the Transit- 

 instrument in its non-reversible form as adopted 

 at Greenwich, the Cape of Good Hope, and-other 

 Observatories. Astron. Soc. Month. Not. XXV., 

 1865, pp. 49-55. 



13. On the value of the Moon's semi-dia- 

 meter as obtained by the investigations of HUGH 

 BREEN, from occultations observed at Cambridge 

 and Greenwich. Astron. Soc. Month. Not. 

 XXV., 1865, pp. 261-265. 



14. On Hemiopsy. Phil. Mae. XXX., 



1865, pp. 19-21. 



15. Note on an error of expression in the 



corrections to the elements of the Moon's orbit. 

 [1 865.] Astron. Soc. Month. Not. XXVI., 1866, 

 pp. 26-27. 



