No. 4 (T922) EGGS AND EARLY EMBRYONIC DEVELOPMENT III 



On the 17th July of the present year (1922), I obtained a few 

 eggs from the kavalai bundles of a kolamaram catamaran at 

 Negapatam and these, according to the statement of the crew, 

 were deposited that same afternoon ; these were perfectly trans- 

 parent save for the small white germinal disc. They were kept 



Fig. 2. 



Fig. 3. 



Figs. 2 and 3. — Embryo of Cypsilurus about 24 hours old. Jn figure 2 a lateral view 

 shows the embryo bent partly round the yolk mass, the oil glolules congregated into 

 a median streak in front of the head. Figure 3 gives a dorsal view of the same 

 embryo. In both the basal ends of a number of the larger hyaline filaments are 

 shown, x 20. 



overnight in a bucket of sea water which was frequently changed. 

 When examined after about 24 hours on the 18th July 1922, a well- 

 developed embryo had been formed in almost all (figures 2 and 

 3). The eggs had become slightly opaque white and the embryo 

 greyish white in colour. The embryo was bent round the central 



