PLATE XIX. 



CMridius brevispinus, G. 0. Sars. 



Fig. 1. Adult female, dorsal view (anterior antenna not fully drawn). 



— 2. Frontal part of body, lateral view. 



— 3. Lateral part of last segment of trunk, showing the small spiniform 



process of the outer corner. 



— 4. Posterior antenna. 



— 5. Mandible with 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. 



