74 



Royal Society. 



Stations. 



541. London 



551. Salisbury 



561. Dover 



571. Fontainebleau .. 



581. Nimes 



591. Malaga 



601. Prague 



611. Berne 



621. Seelau 



631. Rome 



641. Mile 



651. San Diego 



661. At sea 



671. At sea 



681. At sea 



Tcneriffe 



691. At sea 



701. At sea 



711. Socorro Island .. 



721. Ulean 



731. At sea 



741. La Guayra , 



751. Morales 



761. At sea 



771. St. Thomas 1 

 Fernando Po > 

 Isla das Rolhas J 



781. At sea 



791. At sea 



801. Pasto 



8ii. At sea 



821. At sea 



831. Pulo Kumpat 



841. Shell Rock 



851. Gonzanama 



861. At sea 



871. Tomependa 



881. Huaura 



891. At sea 



90I. At sea 



911. At sea 



921. At sea 



931. Bow Island 



941. At sea 



St. Helena 



951. At sea 



961. At sea «. 



Mauritius 



971. At sea 



981. At sea ».... 



991. At sea 



Lat. N. 



51 31 

 51 4 



48 24 



43 SO 

 36 44 

 50 



46 57 



49 32 

 41 54 

 36 43 

 32 41 



47 7 



44 22 

 30 o 



28 27 



21 32 



23 12 

 18 43 



7 22 



8 55 

 10 36 



8 

 10 7 



-a6 25 

 -21 54 

 -20 9 

 ■22 41 

 ■22 38 



•22 34 



Long. £. 



359 53 



358 12 



X 19 



2 38 

 4 20 



355 36 



14 27 



7 25 



15 17 

 12 26 

 24 27 



242 27 

 346 54 

 330 54 



318 5 



343 43 



316 43 



238 9 

 249 6 

 143 57 

 235 48 

 292 54 

 286 o 



319 51 



7 20 



162 59 

 236 4 

 282 39 

 331 9 

 341 3 

 no 7 

 136 21 



280 27 

 223 32 



281 24 



282 14 

 324 44 

 339 50 

 214 37 

 251 20 

 219 7 

 3^5 5 

 354 17 



49 12 

 53 o 

 57 31 

 69 54 

 76 10 

 80 10 



AZ. 



21*9 



i8-3 

 197 



I I'D 



3-8 

 13-4 

 '5*5 



I2"0 

 21*6 



S'° 

 i9*6 

 70*6 



0-4 

 i8-3 



4'3 



0-4 



21-3 



61-2 

 28-0 

 10-8 

 27-8 

 2-6 

 7'o 

 48-9 



- 35-i 



8-2 

 317 

 13-0 



8-4 

 IO-8 

 168 

 1*4 

 4-5 

 19-9 



lO'l 



12-9 



52-2 



2I'l 



9*4 



57'o 



7*5 

 207 



H7 

 17-1 



20*0 

 0-5 

 267 

 17-4 

 22*1 



Observers. 



All Observers. 



Lloyd, Ross. 



Sabine. 



Fox. 



Fox, Humboldt. 



Norwegian Officers. 



Keilhau, Kreil. 



Fox. 



Kreil. 



Humboldt, d'Abadie,Quetelet. 



Norwegian Officers. 



Belcher. 



Sulivan. 



Erman. 



Sulivan. 

 r Humboldt, Freycinet, Du. 



■< perrey, Sabine, Bethune, 

 L Wick'ham, Sulivan. 



Sulivan. 



Erman. 



Belcher. 



Liitke. 



Erman. 



Humboldt. 



Humboldt. 



Sulivan. 

 The secular change at this 

 station is uncertain ; I 

 take the mean of the in- 

 clinations by Sabine and 

 Alien; the force at St. 

 i_ Thomas, from Sabine. 



Liitke. 



Liitke. 



Humboldt and Bousingault. 



Erman. 



Dunlop. 



Belcher. 



Belcher. 



Humboldt. 



Erman. 



Humboldt. 



Humboldt. 



Sulivan. 



Dunlop. 



Erman. 



Liitke. 



Belcher. 



Sulivan. 



All Observers. 



Moore and Clerk. 



Moore and Clerk. 



Duperrey, Fitzroy, Moore and 



Dayman. [Clerk. 



Dayman. 



Dayman. 



