Development of the Retinotectal Projection in the Chicken

Wilhelm His, one of the founders of developmental neurobiology, was convinced "that the processes of generation and development obey fundamental and simple laws and submit to the general laws of nature" (His 1901). Therefore, we should be able to find immediate conditions, dependencies and rules determining the de­ velopment of an organic form. With this in mind, His (1874) defined the task of emb...