PLATE VIII. 



Scaphocalcmus acrocephalus, G. 0. Sars. 

 (continued.) 



Fig. 1. Anterior antenna. 



— 2. Posterior antenna. 



— 3. Mandible with palp (body viewed laterally). 



— 4. Same, with the body viewed from the inner face (setae of outer 



ramus of palp not fully drawn). 



— 5. Maxilla. 



— 6. Anterior maxilliped. 



— 7. Posterior maxilliped. 



— 8. Natatory leg of 4th pair. 



