Il8 CRUSTACEA MALACOSTRACA. 



Fig. 3. Munida bamffica Pennant. 



Fig. 3 a. Thoracic sternum with the basal joint of the appendages of the right side of a male from 

 61 9' N. L., 7 34' W. L., 180 fm.; x 3. 



Fig. 4. Munida tenuimana G. O. Sars. 



Fig. 4 a. Thoracic sternum with the basal joint of the appendages of the right side of a large male 

 from the "Ingolf" Stat. 9; x 3. 



Plate m. 



Fig. i. Munida tenuimana G. O. Sars (continued). 

 Fig. i a. Body of a large male from the "Ingolf Stat 9; x 2. 



Fig. 2. Munidopsis curvirostra Whiteaves (on the plate curvirostris). 

 Fig. 2 a. Largest male from the "Ingolf" Stat. 9; x 2. 



- 2 b. Cephalothorax of the same male, from the right side; x nearly 2. 



- 2 c. Cephalothorax of a female from the -'Ingolf Stat. 35; x 9/ 5 . 



- 2 d. Cephalothorax of another female from the same Station; x 9/ 5 . 



- 2 e. Cephalothorax of a male from the "Ingolf Stat. 28; x 9/ 5 . 



Fig. 3. Munidopsis Antonii A. Milne-Edw. & Bouv. 

 Fig. 3 a. Male ; x s/ 2 . 



3 b. Cephalothorax of the same specimen from the side; x s/ 2 . 



Fig. 4. Munidopsis similis S. I. Smith. 

 Fig. 4 a. Ovigerons female; natural size. 



- 4b. Cephalothorax of the same female, from the right side; natural size. 



Fig. 5. Spongicoloides profundus n. gen., n. sp. 



Fig. 5 a. Front part of an ovigerons female, from the left side; x n / 2 . 



5 b. Rostrum of the same specimen; x n. 



5 c. Rostrum of another ovigerous female; x n. 



5 d. Rostrum of a scarcely full-grown specimen; x u. 



- 5 e. Left antennula (the flagella mutilated), from below; x '9/ 2 . 



- 5 f. Left antenna (most of the flagellum omitted), from below ; x l 9/ 2 . 



- 5g. Left mandible, from below; x 15. 



- 5 h. Distal half of the same mandible, from above; x 22. 

 51. Left maxillula, from below; x 15. 



5k. Left maxilla, from below; x 15. /. basal joint; 2. second very short joint produced laterally 

 into the very long, distally cleft lobe, /*; j. third joint bearing the exopod and produced 

 laterally into the very long distally cleft lobe, /s. 



Plate IV. 



Fig. i. Spongicoloides profundus n. gen., n. sp. (continued). 



Fig. i a. Left first maxilliped, from below; x I( */ 2 . I 2 - lobe from second joint; l-\ lobe from the third joint; 

 ex. exopod; ep. epipod; br. rudimentary branchia (arthrobranchia). 



- i b. Left second maxilliped, from below; x 19 / 2 . cp. epipod; arbr. arthrobranchia; pobr. poclobranchia. 



- ic. Left third maxilliped, from below; x '9/ 2 . cp. epipod; arbr. arthrobranchia; plbr. pleurobranchia. 

 i d. Right first trunk-leg, from in front; x '4/ 3 . 



