Continual contactions of muscles.

[11] FRANK, 1904, ERGEBN PHYSL, V3, P487

[12] FRANK, 1904, ERGEBNN PHYSL, V2, P502

[13] FROHLICH FW, 1910, Z ALLGEM PHYSL, V11, P129

[14] GAD, 1890, ARCH ANAT PHYSL S, P59

[15] HENZE, 1910, BIOCHEM Z, V26, P266

[16] JOHANSSON, 1902, SKANDIN ARCH PHYSL, V13, P236

[17] JORDAN, 1901, Z BIOL, V41

[18] KEMP, 1908, J PHYSL, V37, pR43

[19] MARCEAU, 1909, ARCH ZOOL EXPER GEN, V2, P429

[20] MARCEAU, 1909, ARCH ZOOL EXPER GEN, V2, P403

[11] FRANK, 1904, ERGEBN PHYSL, V3, P487

[12] FRANK, 1904, ERGEBNN PHYSL, V2, P502

[13] FROHLICH FW, 1910, Z ALLGEM PHYSL, V11, P129

[14] GAD, 1890, ARCH ANAT PHYSL S, P59

[15] HENZE, 1910, BIOCHEM Z, V26, P266

[16] JOHANSSON, 1902, SKANDIN ARCH PHYSL, V13, P236

[17] JORDAN, 1901, Z BIOL, V41

[18] KEMP, 1908, J PHYSL, V37, pR43

[19] MARCEAU, 1909, ARCH ZOOL EXPER GEN, V2, P429

[20] MARCEAU, 1909, ARCH ZOOL EXPER GEN, V2, P403