238 CRUSTACEA MALACOSTRACA. III. 



Fig. 9. Pleurogonium latimanum n. sp. 

 Fig. 9 a. The single male specimen, from above; x 40. 

 9 b. Left antennula, from above ; x 80. 

 90. First right leg, from the outer side; x 136. 

 gd. Left uropod, from above; x 200. 



Fig. 10. Pleurogonium intermedium n. sp. 

 Fig. zoa. Left half of the thoracic segments of an adult female from the "Ingolf" Stat. 138, from 



above; x 50. 



lob. Left half of the thoracic segments of a male from the same station, from above; x 50. 

 loc. First right leg of a male from the same station, from behind; x 91. 

 lod. Abdomen of a female from the same place, from above; x 37. 



Fig. ii. Pleurogonium rubicundum G. O. Sars. 

 Fig. ii a. Left half of the thoracic segments of an adult female from Klaksvig (the Fseroes), from above; 



x 27. 

 nb. Abdomen and seventh thoracic segment of an adult female, from above; x 44. 



Fig. 12. Pleurogonium pulchrum n. sp. 



Fig. 12 a. The single female without marsupium, from above; x 38. Most of the dorsal median pro- 

 cesses either mutilated or their distal part omitted. 



12 b. Head and first thoracic segment, from above; x 58. Major part of the median dorsal pro- 

 cess omitted. 



i2c. Right parts of third and fourth thoracic segments, from above; x 51. 

 12 d. Major part of first leg; x 134. 



i2e. Abdomen and last thoracic segment, from above; x 61. 



Plate IV. 



Fig. i. Pseudomunna hystrix n. gen., n. sp. 



Fig. i a. Head and first thoracic segment of a female without marsupium, from above; x 24. 

 i b. Right antennula of a male, from above; x 32. 

 i c. Left mandible of a male, from below ; x 55. 



id. Left maxilliped of a male, from below ; x 55. 



i e. Left thoracic leg of a female, from in front; x 34. 



it Abdomen of a female, from above; x 24. The uropods and some of the dorsal spines lost, 

 i g. Abdominal operculum of a female, from below; x 23. 



i h. Abdomen of a male, from below; x 26. The uropods were lost. 



i i. Distal part of the median lamella of the male abdominal operculum, from below; x 54. 



Fig. 2. Dendrotion spinosum G. O. Sars. 

 Fig. 2 a. Head and first thoracic segment of a female with marsupium from Lat 5832' N., from above; 



