14 



Results of Makekstoun Observations, 1845. 



TABLE XXIV. — List of Ten Days in each Month of 1845 upon which the Horizontal Component 



of Magnetic Force was least disturbed. 



Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



d. 



3 



1 



3 



1 



2 



3 



3 



7 



5 



13 



3 



1 



4 



3 



4 



3 



5 



13 



10 



11 



6 



14 



6 



2 



6 



4 



5 



4 



6 



14 



11 



12 



9 



16 



8 



9 



7 



7 



6 



5 



7 



19 



15 



14 



10 



17 



10 



10 



8 



8 



7 



7 



8 



20 



16 



16 



11 



23 



12 



11 



13 



12 



8 



10 



10 



21 



17 



20 



12 



27 



13 



19 



15 



14 



10 



11 



23 



24 



21 



21 



16 



28 



14 



20 



16 



15 



11 



16 



26 



25 



22 



25 



20 



29 



15 



22 



21 



18 



12 



17 



27 



26 



28 



26 



22 



30 



24 



25 



31 



19 



13 



22 



29 



27 



31 



28 



29 



31 



28 



26 



TABLE XXV. — Hourly Means of the Bifilar Magnetometer Scale Readings corrected for Tempera- 

 ture, for the Ten Days least disturbed in each Month of 1845, corrected so that the Mean of each 

 Ten Days equals the Monthly Mean. 



Mak. 

 M. T. 



.Jan. 



Feb. 



March. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 



h. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. Div. 



Sc. DiT. 



Sc. Div. 



12 



34-16 



35-93 



38-06 



39-14 



40-33 



42-69 



42-48 



42-42 



38-40 



41-06 



42-28 



40-69 



39-81 



13 



3305 



35-15 



36-21 



37-71 



.39-79 



40-98 



40-67 



40-22 



39-70 



39-73 



41-91 



41-19 



38-86 



14 



33-93 



34-80 



35-80 



36-53 



39-11 



39-88 



39-24 



39-99 



37-72 



40-16 



42-58 



42-04 



38-48 



15 



34-29 



35-65 



36-30 



35-22 



38-79 



39-41 



39-41 



39-25 



38-48 



41-40 



43-79 



42-19 



38-68 



16 



3500 



36-24 



36-59 



35-67 



38-38 



38-97 



38-24 



39-99 



37-28 



43-01 



44-18 



43-03 



38-88 



17 



36-48 



36-62 



36-99 



37-07 



36-35 



37-34 



36-19 



38-40 



38-31 



42-88 



44-83 



44-70 



38-85 



18 



36-47 



37-27 



36-55 



35-20 



34-95 



35-52 



34-44 



35-61 



37-08 



41-64 



44-66 



45-20 



37-89 



19 



36-92 



37-53 



35-89 



32-35 



31-91 



32-76 



32-81 



31-08 



31-30 



4010 



42-93 



44-52 



35-84 



20 



35-87 



36-13 



32-49 



27-52 



27-38 



30-13 



28-06 



27-25 



26-54 



35-90 



38-00 



43-40 



32-39 



21 



35-40 



34-64 



29-29 



23-04 



24-61 



27-31 



25-85 



23-07 



23-30 



31-15 



35-40 



40-74 



29-49 



22 



33-46 



32-62 



26-34 



19-24 



24-51 



25-64 



26-04 



23-04 



22-14 



28-88 



33-63 



38-59 



27-85 



23 



33-89 



31-79 



26-89 



20-74 



26-09 



29-17 



29-67 



26-15 



25-83 



30-45 



34-78 



37-48 



29-41 







35-08 



32-09 



30-73 



24-13 



30-44 



34-94 



33-55 



32-28 



30-32 



32-60 



38-40 



38-46 



32-75 



1 



36-12 



35-12 



32-71 



29-48 



35-34 



40-64 



37-44 



38-08 



36-13 



36-46 



41-22 



40-58 



36-61 



2 



35-10 



36-16 



36-02 



35-37 



39-57 



42-58 



43-27 



42-08 



39-13 



38-07 



42-60 



42-58 



39-38 



3 



35-81 



36-22 



38-31 



38-08 



44-04 



46-44 



46-61 



46-14 



38-35 



40-31 



44-27 



42-93 



41-46 



4 



36-85 



36-37 



38-77 



39-99 



45-46 



47-60 



48-38 



45-86 



40-22 



40-00 



44-69 



4403 



42-35 



5 



37-12 



37-62 



38-32 



42-79 



48-14 



49-54 



49-50 



45-97 



42-74 



41-49 



44-67 



44-26 



43-52 



6 



36-51 



37-56 



38-61 



43-81 



48-63 



50-46 



51-17 



46-31 



43-72 



42-25 



43-98 



44-21 



43-94 



7 



35-22 



36-99 



39-87 



43-88 



47-37 



50-56 



50-53 



46-91 



43-47 



42-27 



43-55 



43-10 



43-65 



8 



34-97 



37-07 



38-32 



41-34 



45-72 



49-16 



49-11 



45-76 



42-18 



41-71 



43-39 



42-28 



42-59 



9 



34-98 



36-59 



38-54 



40-19 



44-95 



47-01 



45-37 



45-17 



39-68 



42-85 



42-06 



41-34 



41-56 



10 



35-93 



36-30 



38-56 



40-07 



42-47 



45-07 



44-28 



43-47 



39-87 



41-62 



42-36 



40-98 



40-92 



11 



34-76 



36-97 



38-96 



39-67 



41-08 



43-77 



42-85 42-47 



38-53 



40-27 



42-80 



40-33 



40-21 



