684 



ADDITIONS. 



Hawksley, Thomas. Value of the resistance 

 which a steam or other vessel would have to 

 overcome when moving through water at any 

 given speed. Civ. Eng. Instit. Proc. XVI., 

 1856-57, pp. 355-360. 



2. Eesistance to bodies in water. [1864.] 



Civ. Eng. Instit. Proc. XXIII., 1863-64, pp. 

 353-358. 



Hay, James. Description of the formation of the 

 town-lands of Musselburgh, on the Firth of 

 Forth. Civ. Eng. Instit. Proc. III., 1844, pp. 

 127-128. 



Hayden, F. V. : 



To No. 3 add reference : 

 Petermann, Mittheil. 1860, pp. 53-55. 

 Haydon (?) -^ Mathematical note. [Proof of 



a property of the parabola.] \^Signed''Av^wy.'] 



Camb. Math. Joura. IV., 1845, p. 192. 

 Hayes, J. Case of blighted ovum. London, 



Trans. Assoc. Apoth. I., 1823, pp. 324-327. 

 Hearsey, (Col.). [On the habits of Galeodes 



vorax, Hutton.'\ Entom. Soc. Proc. 1844, pp. 

 . 115-116. 

 Heath, Leopold G. On the nominal horse-power 



of steam-engines. Civ. Eng. Instit. Proc. X., 



1850-51, pp. 306-309. 



Hebert, E. : 



Substitute the following for No. 38 : 



Sur les Trigonies clavellees de I'Oxford-clay 

 et du coral-rag (T. clavellata ; T. perlata ; 

 T. aspera ; et T. Bronuii). Journ. 

 Conchyl. IX., 1861, pp. 178-187. 

 Heeger, Ernest: 



To No. 4 add reference : 

 Wien, Sitz. Ber. XXXI., 1858, pp. 295- 

 309. 

 Heer, Oswald. 47. Ueber die Eigenthiimlich- 

 keiten und Verschiedenheiten der Appenzeller 

 und Glarner Flora. Schweizer. Gesell. Ver- 

 handl. XLII., 1857, pp. 80-82. 

 . 48. [Fougeres trouvees dans la couche de 



charbon pres Thorens en Savoie]. Schweizer. 

 Gesell. Verhandl. XLIII., 1858, p. 45-47. 



49. Ueber das Aussehen unseres Landes 



im Laufe der geologischen Zeitalter. Schweizer. 

 Gesell. Verhandl. XL VI., 1862, pp. 147-149. 



50. Ueber die Fohren-Arten der Schweiz. 



Schweizer. Gesell. Verhandl. XL VI., 1862, pp. 

 177-194. 



To No. 37 add reference : 

 Schweizer. Gesell. Verhandl. XLII., 1857, 

 pp. 117-126. 

 Heese, J. A. Ueber die Ursachen der ungiinst- 

 igen Resultate der Seidenzucht im Jahre 1866, 

 und die Aussichten auf eine gunstigere Zucht 

 in diesem Jahre. Berlin, Zeitschr. Acclimat. I., 

 1863, pp. 123-127. 



Heineken, C. 10. Meteorological register kept at 

 Funchal, 1826 ; with some prefatory observa- 

 tions on the climate of Madeira. Phil. Mag. 

 II., 1827, pp. 362-376, 411-418. 



Heinemann, H.: 



To No. 5 add reference : 

 Entom. Annual, 1863, pp. 36-50. 



Heintz, W. 115. Ueber Aethal. Halle, 

 Jahresber. Nat. Wis. Ver. V., 1852, pp. 210- 

 211. 



116. Ueber Stearin. Halle, Jahresber. 



Nat. Wis. Ver. V., 1852, pp. 261-262. 



117. [Ueber Vervollstandigung der Reihe 



der Alkohole.] Halle, Jahresber. Nat. Wis. Ver. 

 v., 1852, pp. 264-265. 



118. Sulla composizione chimica delle ossa. 



Roma, Corrisp. Sclent. IL, 1853, pp. 106-107. 

 To No. 14 add reference : 

 Majocchi, Ann. Fis. Chim. XXIIL, 1846, 

 pp. 243-245. 

 To No. 20 add reference : 

 Majocchi, Ann. Fis. Chim. XXVL, 1847, 

 pp. 162-163. 

 To No. 37 add reference : 

 Halle, Jahresber. Nat. Wis. Ver. IV., 1851, 

 pp. 53-55. 

 To No. 40 add reference : 

 Halle, Jahresber. Nat. Wis. Ver. IV., 1851, 

 pp. 51-52. 

 Heldreich, Theodor von. 5. Bericht iiber die 

 arcadische Tanne (Abies reginse Amali«). 

 (Transl.) Berlin, Zeitschr. Acdimat. IV., 

 1861, pp. 206-209. 

 Helfrich, — — . Geschwanzte Menschen auf 



Borneo. Leopoldina, IL, 1860, pp. 15-16. 

 Hellins, {Rev.) J. Observations on rearing 

 lepidopterous larvae. Newman, Zoologist, 

 XVIIL, 1860, pp. 6995-7005. 



Hellwig, {Major). Versuche mit Voltaischen 



Saulen aus Zink und Holzkohlen. Gilbert, An- 



nalen, XL, 1802, pp. 396-399. 

 Helmholtz, If. 41. Gesetze der Blattstellung. 



Halle, Sitz. ProtokoU. Nat. Wis. Ver. 1848- 



49, pp. 5-14, 15-20. 



42. [Ueber den Quincunx der Blattstel- 

 lung.] Halle, Jahresber. Nat. Wis. Ver. IL, 

 1849-50, p. 29. 



43. Bemerkungen zur Characteristik der 



Pflanzenarten. Halle, Jahresber. Nat. Wis. 

 Ver. IL, 1849-50, p. 34. 



44. Ueber physicalische Ursache der Har- 

 monic und Disharmonie. Deutsch. Naturf. 

 Versamml. Bericht, XXXIV., 1858, pp. 157- 

 160. 



45. Ueber die Form des Horopters, mathe- 



matisch bestimmt. [1862.] Heidelberg, Ver- 

 hand. Nat. Med. Ver. III., 1862-63, pp. 51-55, 

 122-124. 



