(1883); Bohmig, " Zur feineren Anatomic von Rhodope veranyi, Kolliker," Zeitschr.
Von Kolliker described the formation of the blastoderm in the egg of the midge Chironomus.
Kolliker (Development of Cephalopods, 1844), Remak (Development of the Frog, 1850), and others had laid the foundations of this knowledge in isolated examples; but it was Kovalevsky, by his accounts of the development of Ascidians and of Amphioxus (1866), who really made zoologists see that a strict and complete cellular embryology of animals was as necessary and feasible a factor in the comprehension of their relationships as at the beginning of the century the coarse anatomy had been shown to be by Cuvier.
To Kolliker,ll Gegenbaur, 12 and more recently Spenger, l3 amongst German anatomists, we are indebted for epoch-making researches of the same kind.
Kolliker, Entwickelungsgeschichte der Cephalopoden (Zurich, 1844).