_C. constrictor_ (all combined) 151 clutches averaged 10.61 (2 to 31) eggs. _C. c. constrictor_ 14 clutches averaged 16.80 (7 to 31) eggs. _C. c. priapus_ 11 clutches averaged 12.60 (7 to 21) eggs. _C. c. mormon_ 43 clutches averaged 5.79 (2 to 13) eggs. _C. c. flaviventris_ 82 clutches averaged 11.78 (5 to 26) eggs. _C. c. stejnegerianus_, one clutch contained 10 eggs. In the foregoing list the sample of _C. c. flaviventris_ may be divided as follows: Reservation and vicinity: 36 clutches averaged 11.65 (6 to 21) eggs. Harvey County study area: 21 clutches averaged 12.0 (5 to 18) eggs. Museum specimens from Kansas: five clutches averaged 9.2 (6 to 14) eggs. Published records (Kansas, Indiana, Iowa, Louisiana, Missouri, Oklahoma, Texas): 20 clutches averaged 12.5 (5 to 22) eggs. Table 9. Published Records Indicating Dates of Laying in Different Populations of Coluber constrictor ===============+==================+============+========================= Date | | | of Laying | Subspecies | Area | Authority ---------------+------------------+------------+------------------------- June 9, 1952 | _flaviventris_ | SE Texas | Guidry (1953:50) July 1-2, 1920 | _flaviventris_ | Texas | Ortenburger (1928:183) June 1, 1920 | _flaviventris_ | Texas | Ortenburger (1928:183) June 9, 1926 | _flaviventris_ | Oklahoma | Force (1930:31) June 24, 1926 | _flaviventris_ | Oklahoma | Force (1930:31) July 19, 1928 | _flaviventris_ | Oklahoma | Force (1930:31) July 16 | _flaviventris_ | Oklahoma | Carpenter (1958:114) July 4-5, 1948 | _flaviventris_ | Kansas | Munro (1948:199) July 4, 1948 | _flaviventris_ | Kansas | Munro (1948:199) June 26, 1930 | _flaviventris_ | Ohio | Conant (1938:55) July 3, 1961 | _mormon_ | NW Oregon | Van de Velde, Martan | | | and Risley (1962:212) June 7, 1957 | _priapus_ | S Illinois | Rossman (1960:219) June 19, 1912 | _priapus_ | S Georgia | Wright and Bishop | | | (1915:160) July 10, 1940 | _priapus_ | S Illinois | Cagle (1942:187) July 6 | _constrictor_ | New York | Ditmars (1907:284) June 27-July | _constrictor_ | Virginia | Werler and McCallion 5, 1951 | | | (1951:251) June 5, 1947 | _stejnegerianus_ | S Texas | Auffenberg (1949:54) ---------------+------------------+------------+------------------------- Published records of clutches laid by racers, from which figures used in the foregoing account were obtained, include the following: