Category:1861 in science

A

• 1861 archaeological discoveries‎ (10 P)
• Astronomical objects discovered in 1861‎ (1 C, 21 P)

E

• 1861 earthquakes‎ (3 P)

M

• 1861 meteorology‎ (1 P)
• Minerals described in 1861‎ (1 P)

P

• 1861 in paleontology‎ (1 C, 1 P)

T

• Taxa described in 1861‎ (2 C, 16 P)

• 1861 in science

A

• 1861 in archaeology

B

• 1861 in birding and ornithology

O

• On Physical Lines of Force

P

• 1861 in paleontology
• Phycologia Australica

R

• Reis telephone

T

• Thallium
• C/1861 G1 (Thatcher)