Ckl'STACKA MAUMOinUCA. III. 



Fig. 3 c. Right portion of the head and of first thoracic segment of a subadnlt female from the -Ingolf 

 Stat 44, from above; x 33. 



3d. Head and major part of first thoracic segment of a male from the "Ingolf StaL 81, from 



above; x 33. 



36. Right portion of the head of a male from the "Ingolf StaL 44, from above; x 23. 

 3! Major part of first left leg of a male, from behind; x 35. 

 3g. Median lamella of the abdominal opcrculum of a male from the "IngolP StaL 44, from be- 



low; X45. 

 3 h. Distal parts of the pleopods shown in fig. 3 g, from below and more highly magnified. 



Fig. 4, Mitnna Krdyeri Goodsir. 



Fig. 4 a. Median lamella of the abdominal operculum of a male from Norway, from below; x 80. 

 j 1>. Distal parLs of the pleopods shown in fig. 4 a, from below and more highly magnified. 



Fig. 5. Aftmna Fabricii Kroyer. 



Fig. 5 a. Right uropod of a male from Godthaab (West Greenland), from below; x i6a 

 5b. Left uropod of another male from the same locality, from above; x 168. 

 50. Median lamella of the abdominal operculum of a male from Godthaab, from below; x 55. 

 5d. Distal parts of the pleopods shown in fig. 5C, more highly magnified. 



Fig. 6. Munna minuta H. J. H. 



Fig. 6 a. Median plates of the abdominal operculum of a male from Davis Strait, I,aL O452' N., from 

 below; x 80. 



Fig. 7. Munna acanthifcra n. sp. 

 Fig. J3L Anterior part of the body of a female without marsupium from the "Ingolf StaL 35, from 



above; x 22. 



7b. Posterior part of the body of the same female, from above; x 22. 



7 a Anterior margin of the head of another female from the same station, from above; x 44. 

 7 d. Posterior part of the body of another female without marsupium from the same station, 



from the left side; x 24. 

 7 <.-. Anterior part of the body of a male from the same station, from above; x 22. Right an- 



tennula, excepting its basal joint, and right antenna omitted. 

 7 f. Antennula of a male from the same station, from above; x 45. 



7 g. Median lamella of the abdominal operculum of a male from the same station, from below ; x 45. 

 7 h. Distal parts of the pleopods shown in fig. 7 g, more highly magnified. 



Fig. 8. Plfurogonium intrmt G. O. Sara. 

 Fig. 8 a. Left portion of all thoracic segments of a not quite full-grown female from Jan Mayen, from 



above; x 27. 

 8 b. First right thoracic leg of a male from Jan Mayen, from behind ; x 91. 



