236 



CRUSTACEA MALACOSTRACA. III. 



Fig. 4. Haploniscus armadilloides 11. sp. 

 Fig. 4 a. Body of a female without marsupium, from above; x 27. 



4b. Head with antermulse and antenna: of the same specimen, from below; x 55. The mouth- 

 parts omitted. 



— 4 c Distal part of fifth left leg, from behind ; x 136. 



4 d. Abdomen of the same specimen, from below; x 48. a. anal doors; o. operculum; 11. uropods. 



— 4c Posterior part of abdomen with uropods and anal doors of the same specimen, from below; 



x 70. 



Fig. 5. Ilydroniscus abyssi n. gen., n. sp. 



Fig. 5a. Female without marsupium, from above; x 16. 



5b. Another female, from the left side; x 16. Four legs omitted. 



— 5c. Anterior part of the head of a female, from below; x 35. Left antennula and antenna 



omitted. 



— 5 d. Left mandible of a female, from below; x 64. Major j:>art of the palp omitted. 



5 e. Distal half of the same mandible, from below ; x 134. 



— 5 f. Left maxilliped of the same female, from below ; x 64. 



— 5 g. Major part of first left thoracic leg of a female, from behind; x 57. 



— 5I1. Distal part of the leg shown in fig. 5 g, from behind; x 140. 



— 5i. Distal part of seventh left leg, from in front; x 140. 



5 k. Abdomen and the two posterior thoracic segments with the proximal parts of their legs of 

 a female without marsupium, from below; x 27. a. anal doors; o. operculum; p. process 

 from the lower margin of the abdomen. 



Plate m. 



Fig. 1. Munna Bocckii Kroyer. 

 Fig. 1 a. Median lamella of the abdominal operculum of a male from the Faroes - - northern end of 

 Naalso — , from below; x 48. 

 1 b. Distal parts of the pleopods shown in fig. 1 a, from below and more highly magnified. 



Fig. 2. Munna groenlandica n. sp. 

 Fig. 2 a. Left part of the head with eye, antennula and proximal part of the antenna of an ovigerous 

 female from Egedesminde, from above; x 27. 



— 2 b. Abdomen of the same female, from above; x 27. 



— 2 c. Median lamella of the abdominal operculum of a male from Daninark-0 (East Greenland), 



from below ; x 48. 



— 2d. Distal parts of the pleopods shown in fig. 2 c, from below and more highly magnified. 



Fig. 3. Munna Hansen/ Stappers. 

 Fig. 3a. Anterior part of the body of a female from the "Ingolf" Stat. 44, from above; x 23. 



— 3 b. The two posterior thoracic segments and the abdomen of the same female, from above; 



x 23. 



