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G. O. Sars. 
Plate 4. 
Galathodes tridentatus, (Esmark). 
Larva just after it leaves the egg; lateral view. 
The same; dorsal view. 
Part of the free edge of the carapace, showing 
the densely crowded marginal fimbriæ. 
First antenna of the larva after shedding the 
embryonic cuticle. 
Second antenna of the same stage. 
Extremity of a mandible, showing the palp and 
cutting edge. 
First maxilla. 
Second maxilla. 
First maxilliped. 
Extremity of the endopodite of the same maxil- 
liped, more highly magnified. 
Second maxilliped. 
Third maxilliped. 
First leg. 
Second leg. 
Last leg. 
Extremity of tail with the caudal plate; dorsal 
view. 
Last larval stage; dorsal view. 
The same; lateral view. 
First antenna of the same stage. 
Second antenna. 
. Extremity of the flagellum of the same antenna, 
more highly magnified. ,. 
Anterior lip and left mandible. 
First maxilla. 
Second maxilla. 
First maxilliped. 
