2 3 3 



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. 



— 9c. First right leg, from the outer side; x 136. 



— 9<i. Left uropod, from above; x 200. 



Fig. 10. Plcnrogonium intermedium n. sp. 

 Fig. 10 a. Left half of the thoracic segments of an adult female from the "Iugolf" Stat. 138, from 

 above; x 50. 



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



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



— 10 d. Abdomen of a female from the same place, from above; x 37. 



Fig. 11. Pleurogonium rubicundum G. O. Sars. 

 Fig. 11 a. Left half of the thoracic segments of an adult female from Klaksvig (the Faeroes), from above; 

 x 27. 



— 11b. 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. 



— 12 c. Right parts of third and fourth thoracic segments, from above; x 51. 



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



— 12 e. Abdomen and last thoracic segment, from above; x 61. 



Plate IV. 



Fig. 1. Pseudotnunna hystrix n. gen., 11. sp. 

 Fig. 1 a. Head and first thoracic segment of a female without marsupium, from above; x 24. 



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



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



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



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



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



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



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



1 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. 58°32' N., from above; 



