RAPPORTS. XIII C 1 et 3, Appendice — 14 — EGGS OF FISHES 



VI: 1.04). Pigment black and yellow, the latter especially also on the 

 fins and yolk. Gadoid anus. Spawning-time: XII to VII. 



North Sea, Channel, coasts of West Europe. Gadus merlangus L. 



1. Egg of medium size, 1.07 to 1.25. Very little Pigment, almost'îwanting, 



delicate yellow and black (?). Pleuronectid anus. Probably occurring 



only over depths of at least 100 m. and more. Spawning-time : V — IX. 



Northern North Sea, Skager Rak, Atlantic. 



* Pleuronectes cynoglossus L. 

 m. Large egg of I.16 to 1.60 (II: I.45, III: 1.41, IV, V: 1.30). Only black 

 pigment, none on yolk; later 3 zones of pigment on the postanal por- 

 tion of the body. Gadoid anus. Spawning-time: I — IX. 



North Sea, waters of North Atlantic. Gadus morrhua L. 



n. Large egg of 1.19 to 1.67 (II: 1.526, III: 1.434, IV: 1.398, V: 1.34). 

 Only black pigment, none on yolk; later a double line of chromato- 

 phores along the ventral margin of the postanal portion of the body. 

 Gadoid anus. Spawning-time: I— VI. 



North Sea, North Atlantic. Gadus aeglefimts L. 



o. Large egg of 1.13 to 1.45 (IV, V: 1.37, VI: 1.25). Pigment black and 

 yellow, also on the fins and yolk-sac. Pleuronectid anus. Spawning- 

 time: IV— X (Channel II, III). 



North Sea (north-west), Atlantic waters, Channel. 



* Pleuronectes microcephalus Donov. 



p. Large egg of 1.66 to 2.20 (XII: 1.96, I: 1.93, II: 1.93, III: 1.89, IV: 



1.88). Pigment black and yellow, yolk as a rule without pigment 



(though not always completely so). Pleuronectid anus. Spawning-time: 



XII— VI. 



North Sea, Atlantic, Polar Sea. Pleuronectes platessa L. 



q. Very large egg of 3 to 4.25, perhaps even larger, bathypelagic, imper- 

 fectly known and not yet described. Spawning-time: II— V. 



Atlantic, Iceland, Norwegian fjords. *Hippoglossus vulgaris Flem. 

 r. Very large egg of ca. 4 to 4.5, bathypelagic, imperfectly known and 

 not yet described. Spawning-time: V. 



Davis Straits. * Platysomatichthys hippoglossoides Walb. 



