PLATE XX. 



Pseudocalanus major, G. 0. Sars. 



Pig. 1. Adult female, dorsal view (left anterior antenna not 

 fully drawn). 



— 2. Same, viewed from right side. 



— 3. Anterior antenna. 



— 4-. Posterior antenna. 



— 5. Mandible vfith palp. 



— 6. Maxilla. 



— 7. Anterior maxilliped. 



— 8. Posterior maxilliped. 



— 9. Natatory leg of 1st pair. 



— 10. Do. of 2nd pair. 



— 11. Do. of 4th pair. 



— 12. Extremity of tail, with the caudal rami, dorsal view. 



— 13. Last pair of legs of male. 



