Development of the head skeleton and pectoral girdle in Esox.

  title={Development of the head skeleton and pectoral girdle in Esox.},
  author={M T Jollie},
  journal={Journal of morphology},
  volume={147 1},
A consideration of head development in two species of Esox, lucius and americanus (ssp. vermiculatus) representing the two subgenera Esox and Kenozoa respectively, focused on the significance of the variations of the latero-sensory canal system, its associated bones, and other skeletal elements. In living forms only aspects of "regression" or specialization can be studied. Canals tend to be reduced to pit lines first at their termini but can be broken in their course. Pit lines range from… CONTINUE READING