===========================+=======================+====================== | _Tympanuchus_ | _Pedioecetes_ Muscle +-----+---------+-------+------+--------+------ | Ave.| Range | No.[1]| Ave. | Range |No.[1] ---------------------------+-----+---------+-------+------+--------+------ Iliacus: width of fleshy | | | | | | origin (divided by length| | | | | | of ilium) | .10 | .08-.11 | 13 | .19 | .17-.19| 6 ---------------------------+-----+---------+-------+------+--------+------ Flexor cruris lateralis: | | | | | | maximum width of exposed | | | | | | part (divided by length | | | | | | of ilium) | .22 | .19-.27 | 13 | .31 | .27-.36| 6 ---------------------------+-----+---------+-------+------+--------+------ Flexor cruris medialis: | | | | | | width of origin (divided | | | | | | by length of ilium) | .11 | .08-.16 | 13 | .22 | .19-.23| 6 ---------------------------+-----+---------+-------+------+--------+------ Flexor cruris medialis: | | | | | | width of insertion | | | | | | (divided by length of | | | | | | tibiotarsus) | .09 | .08-.13 | 13 | .17 | .15-.17| 4 ---------------------------+-----+---------+-------+------+--------+------ Adductor superficialis: | | | | | | width of origin (divided | | | | | | by length of ilium) | .20 | .17-.23 | 13 | .13 | .10-.16| 5 ---------------------------+-----+---------+-------+------+--------+------ Femorocruralis: distance of| | | | | | proximal end of origin | | | | | | from proximal end of | | | | | | femur (divided by length | | | | | | of femur) | .59 | .55-.63 | 13 | .40 | .38-.43| 6 ---------------------------+-----+---------+-------+------+--------+------ Extensor digitorum longus: | | | | | | length of fleshy belly | | | | | | (divided by length of | | | | | | tibiotarsus) | .73 | .64-.83 | 13 | .59 | .50-.62| 4 ---------------------------+-----+---------+-------+------+--------+------ FOOTNOTES: [Footnote 1: No. = number of legs.] TABLE 3. OCCURRENCE OF INDIVIDUAL VARIATIONS IN MUSCLES