Il8 CRUSTACEA MALACOSTRACA. 



Fig. 3. Munida bamffica Pennant. 

 Fig. 3 a. Thoracic sternum with the ba.sal joint of the appendages of tlie right side of a male from 

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



Fig. 4. Munida tcnuimana G. O. Sars. 

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

 from the "Ingolf" Stat, g; x 3. 



Plate III. 



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

 Fig. I a. Body of a large male from the "Ingolf" vStat. 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 1:). Cephalothorax of the same male, from the right side; x nearly 2. 



— 2 c. Cephalothorax of a female from the -'Ingolf Stat. 35; x 'Vs- 



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



— 2 e. Cephalothorax of a male from the "Ingolf Stat. 28; x '-1/5. 



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

 Fig. 3 a. Male ; x \ ... 



— 3 b. Cephalotliorax of the same specimen from the side; x s/^. 



F'ig. 4. Munidopsis similis S. I. Smith. 

 Fig. 4 a. Ovigerous female; natural size. 



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



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

 ¥ig. 5 a. Front part of an ovigerous female, from the left side; x "/2. 



— 5 b. Rostrum of the same specimen ; x 1 1. 



— 5c. Rostrum of another ovigerous female; x 11. 



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



— 56. Left antennula (the flagella mutilated), from below; x "'/,. 



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



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



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



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



— 5k. Left maxilla, from below; x 15. /. basal joint; _>. 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, li. 



Plate IV. 



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

 Fig. I a. Left first maxilliped, from below; x "^/,. l^. lobe from second joint; i\ lobe from the third joint; 

 ex. exopod; r/. epipod; dr. rudimentary branchia (arthrobranchia). 



— I b. Left second maxilliped, from below; x '9/2. (/>. epipod; ///■/>/: arthrobranchia; />odf: podobranchia. 



— 1 c. Left third maxilliped, from below; x '9/2. t;/i. epipod ; «/-/>;•. arthrobranchia; ^//;/-. pleurobranchia. 



— I d. Right first trunk-leg, from in front; x '-f/j. 



