Ix g 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 

 6i° 9' N. L., 7 34' W. L., 180 mi.; 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 "Iugolf" Stat. 9; x 3. 



Plate III. 



Fig. 1. Munida tenuimana G. O. Sars (continued). 

 Fig. 1 a. Body of a large male from the "Ingolf" Stat. 9; x 2. 



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

 Fig. 2 a. Largest male from the "Iugolf" Stat. 95x2. 



— 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 . 



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



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



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

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



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



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

 Fig. 4 a. Ovigerous female; natural size. 



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



Fig. 5. Spongicoloides profundus n. gen., 11. sp. 



Fig. 5 a. Front part of an ovigerous female, from the left side; x I! / 2 . 



— 5b. Rostrum of the same specimen; x 11. 



— 5c. Rostrum of another ovigerous female; xn. 



— 5 d. Rostrum of a scarcely full-grown specimen; x 11. 



— 5 c Left antennula (the flagella mutilated), from below; x J 9/ 2 . 



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



— 5 &• Left mandible, from below; x 15. 



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

 5 i. Left maxillula, from below; x 15. 



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



into the very long, distally cleft lobe, I 2 ; j. third joint bearing the exopod and produced 

 laterally into the very long distally cleft lobe, l*. 



Plate IV. 



Fig. 1. Spongicoloides profundus n. gen., n. sp. (continued). 

 Fig. 1 a. Left first maxilliped, from below; x lc >/ 2 . I 2 , lobe from second joint; /J. lobe from the third joint; 

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

 1 b. Left second maxilliped, from below; x I9 / 2 . cp. epipod; arbr. arthrobranchia; pobr. podobranchia. 



— 1 c. Left third maxilliped, from below; x ! 9/ 2 . ep. epipod; arbr. arthrobranchia; plbr. pleurobranchia. 



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



