194 G- O. Sars. 



Fig. 21. Last larval stage; dorsal view. X 14- 

 « 22. First pair of antennæ of the same stage; dorsal 



view. X 26. 

 « 23. Right antenna of 1st pair, viewed from the outer 



side. X 26. 

 « 24. Extremity of telson of a very young specimen of 



S. septemcarinata; dorsal view. X 35. 

 « 25. Same part of an equal-sized specimen of S. Sarsii. 



X35. 



Plate VI. 

 Sabinea septemcarinata, (Sab.). 

 Fig. 1. Second antenna of the last larval stage. X 26. 

 - « 2. Extremities of the mandibles of the same stage. 

 X 62. 

 « 3. First . maxilla. X 34. 

 « 4. Second maxilla. X 34. 

 « 5. First maxilliped. X 34. 

 « 6. Second maxilliped. X 26. 

 « 7. Third maxilliped. X 26. 

 « 8. Leg of 1st pair. X 26. 

 « 9. Leg of 2nd pair. X 26. 

 « 10. Leg of 3rd pair. X 26. 

 « 11. Leg of 4th pair. 26. 

 « 12. A pleopod. X 26. 



« 13. Extremity of tail, with the caudal plate and the 

 uropoda; dorsal view. X 26. 



Sclerocrangon boreas, (Phipps). 

 Fig. 14. Ovum with chorion and adhesive fibres, showing 

 the embryo in a very early stage of development. 

 X22. 

 " 15. The embryo alone. X 47. 



