682 



ADDITIONS. 



Hardy, James. 35. Periodic phenomena regis- 

 tered at Penmanshiel, Cockburnspath, Berwick- 

 shire. Brit. Assoc. Rep. 1850, pp. 344-349. 



Hare, Robert. 128. Rationale of the difficulty 

 of separating plane surfaces by a blast, in certain 

 cases. Phil. Mag. IV., 1828, pp. 94-95. 



129. Of the Litrameter. Phil. Mag. IV., 



1828, pp. 187-189. 



To No. 108 add reference : 



Phil. Mag.XXVL, 1845, pp. 145-146. 

 Haring, J. A. Ilet Haft, cle langgestaarte Een- 



dagsvlieg. Amsterdam, Jaarb. 1853, pp. 117- 



123. 

 Harkness, Robert. 42. On the action of the 



yellow rays of light on vegetation. Phil. Mag. 



XXV., 1844, pp. 339-341. 

 Harold, John. Climate of Long Island. New 



York, Agric. Soc. Trans. XV., 1855, pp. 623- 



624. 

 Harris, Thaddeus ll'in. 2O. On Dryocampa? 



Saccophora Melsheimeri. Newman, Entomolo- 

 gist, 1841, pp. 99-101. 



21. Account of the Hessian Fly (Cecidomyia 



destructor) ; the Wheat Midge (C. tritici), and 

 the Joint- Worm (Eurytoma hordei). Canadian 

 Naturalist, I., 1856, pp. 307-312. 



Harris, (Sir) William Snow. 45. On lightning- 

 conductors and the effects of lightning on H.M.S. 

 Rodney and other ships of the Royal Navy. 

 Phil. Mag. XVI., 1840, pp. 116-128, 404-417. 



46. On lightning-conductors and on the 



defence of ships from lightning. Phil. Mag. 

 XVIII., 1841, pp. 172-183. 



Harrison, A. M. Extracts from a report rela- 

 tive to the topographical features of Cumberland 

 and Amelia islands, St. Mary's river, Georgia, 

 and Amelia river, Florida. U. S. Coast Survey, 

 Report for 1857, pp. 377-379. 



Harrison, John Thornhill. Observations on the 

 causes that are in constant operation tending to 

 alter the outline of the English const, to affect 

 the entrances of the rivers and harbours, and to 

 form shoals and deeps in the bed of the sea. 

 Civ. Eng. Instit. Proc. VII., 1848, pp. 327- 

 359. 



2. On the obstructions to navigation in 



tidal rivers. Civ. Eng. Instit. Proc. VIII., 1849, 

 pp. 310-329. 



Hart, Peter. Methode pour estimer la quantite 

 d'acide nitreux contenu dans 1'acide sulfurique 

 qui coule de 1'appareil condensateur de GAY- 

 LDSSAC et LACROIX. ( Transl.) Report. Chimie 

 Appl. I., 1859, pp. 311-312. 



Hartley, Charles Anc/ustus. Description of the 

 delta of the Danube, and of the works, recently 

 executed, at the Sulina mouth. Civ. Eng. 

 Instit. Proc. XXL, 1861-62, pp. 277-292. 



Hartley, John B. 2. On the effects of the worm 

 on kyanized timber exposed to the action of sea- 

 water, and on the use of Greenheart timber from 

 Demerara, in the same situations. Civ. Eng. 

 Instit. Proc. I., 1840, pp. 84-85. 



Hartmann, G. L. 3. Beitriige zur Geschichte 

 der Fadenwiirmer, nebst Beschreibung eiuer 

 bisher mit ihnen verwechselten Art von Regen- 

 wurm, Lumbricus gordioides. [1819.] Neue 

 Alpiua, I., 1821, pp. 32-50. 



4. Kurze Naturgeschichte der gemeineii 



Viper, der Ringelnatter und der Blindschleiche. 

 [1819.] Neue Alpina, L, 1821, pp. 169- 

 194. 



Hartmann, W. System der Erd- und Fluss- 

 schnecken der Schweiz. Mit vergleicheuder Auf- 

 zahlung aller auch in den benachbarten Landern, 

 Deutschland, Frankreich und Italien sich vor- 

 findenen Arteu. Neue Alpina, L, 1821, pp. 

 194-268. 



Hasert, B. 2. Ueber die wahre Gestaltung der 

 microscopischen Probe-Objecte. Deutsch. 

 Naturf. Versamml. Bericht, XXXIV., 1858, 

 pp. 212-214. 



Hasselt, A. W. M. van, und Rienderhoff : 

 For der read des. 



Hassenfratz, Jean Henri. 42. Oin flere 

 Stalsorters olika beskafFenhet, med afseende pa 

 det bruk hvartill de kunna och bora auviindas. 

 (Transl.) Jern-Kontorets Annal. II., 1818 

 (I Ha fte), pp. 113-140. 

 To .ZVo. 14 add reference : 

 N. Bergmann. Journ. I., 1795, pp. 511- 

 530. 



Hasskarl, J. C. 45. Geschwimzte Menschen 

 auf Borneo und Java. Leopoldina, II., I860, 

 pp. 23-25. 



Hastings, (Marchioness of) : 

 To JV0. 1 add reference: 

 Roma, Corrisp.' Scient. L, 1848, p. 133. 



Hatchett, Charles. 20. Observations on the 

 Pitch-lake in the island of Trinidad, with analysis 

 of the mineral bitumen. [1804.] Linn. Soc. 

 Trans. VIII., 1807, pp. 255-259. 



Hauer, Karl von. 49. Vermischte Analyse : 

 Magnesit von Reichenstein ; feuerfester Thon 

 von Rev ; Walderde von Kaltenberg ; Ackererde 

 von Venedig ; Steinkohle von Lilieufeld ; 

 Braunkohle von Rein ; Kohle von Kalkgrub. 

 Wieu, Geol. Jahrb. III., 1852, pp. 160-164. 



50. Analyse : Einc sphiiroidische Masse 



und ein Mergelschiefer von Oslowau ; Braun- 

 kohlen von Gaja ; Mergel aus den Gosau- 

 schichten in der Krampen bei Neuberg. Wien, 

 Geol. Jahrb. III., 1852 (Hft. 2), p. 156. 



51. Braunkohle von Dubuian bei Goding 



untersucht. Wien, Geol. Jahrb. III., 1852 

 (Hft. 4), p. 118. 



