. Bulletin. Natural history; Natural history. 32 Illinois Natural History Survey Bulletin Vol. 27, Art. 1 collected from Park Pond during the spawning season of 1949. These fish were divided into two size groups established on the basis of differences in maturation: in the first group were "large" warmouths, those of more than inches total length; in the second group were "small" warmouths, those between and 2. All the "large" individuals took part in spawning activities, whereas a consid- erable proportion of the specimens be- tween and inches
. Bulletin. Natural history; Natural history. 32 Illinois Natural History Survey Bulletin Vol. 27, Art. 1 collected from Park Pond during the spawning season of 1949. These fish were divided into two size groups established on the basis of differences in maturation: in the first group were "large" warmouths, those of more than inches total length; in the second group were "small" warmouths, those between and 2. All the "large" individuals took part in spawning activities, whereas a consid- erable proportion of the specimens be- tween and inches remained imma- ture during the entire nesting season. 3. The "small" warmouths recovered more quickly from the effects of spawning than did the "large" ones; all of the MAY JUNE JULY MAY JUNE JULY. MALES IN MALES OVER IN. MAY JUNE JULY MAY JUNE JULY. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
Size: 2773px × 901px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
