1830 ANNIVERSARY MEMOIRS OF THE BOSTON SOCIETY OF NATURAL HISTORY 1880

THE DEVELOPMENT OF THE SQUID.

LOLIGO PEALII (LESUEUR).

Fig. 5

Highly magnified view of the edge of the blastoderm of the egg shown in figure 3, after staining with osmic acid and borate of carmine. a, b, and c, as in figure 4; d, cells which have just divided.