246 CRUSTACEA MALACOSTRACA. III. 



Fig. 46. Abdomen and the two posterior thoracic segments, with the proximal parts of their legs, of 

 a male, from below; x 53. 



4e. Abdomen and the two posterior thoracic segments, with the proximal parts of their legs, of 



a female, from below; x 37. 



4f. Proximal portion of left antenna of a female from Norway, from above; x 84. The figure 

 shows the extreme length of the exopod, which is not marked off by any suture. 



Fig. 5. Nannoniscus arcticus n. sp. 



Fig. 5 a. Anterior half of a female, from above; x 24. 



5b. Anterior right part of the head of a female, with antennula and proximal part of antenna, 

 from above; x 76. 



5 c. Abdomen and the two posterior thoracic segments, with the basal parts of their legs, of a 



female, from below ; x 32. 



5d. Right uropod of the same female, from below; x 82. 



Fig. 6. Nannoniscus analis u. sp. 



Fig. 6 a. Female, from above; x 20. 



6b. Anterior half of a male, from above; x 27. 



6 c. Right antennula of a male, from above; x 100. 



6d. Right antenna of a male, from the outer side; x 42. 



6e. First left thoracic leg of a male, from behind; x 48. 



6t Third left thoracic leg of a male, from behind; x 48. 



6 g. Distal part of the leg shown in fig. 6 f, from behind ; x 92. 



6h. Abdomen and last thoracic segment, with the proximal parts of its legs, of a male, from 

 below; x 41. 



6 i. Abdomen and the two posterior thoracic segments, with the proximal parts of their legs, 



of a female, from below; x 41. 



6k. Abdomen and the three posterior thoracic segments of a female, from the left side; x 33. 

 The legs omitted excepting the coxae of the sixth and seventh legs. 



Plate IX. 



Fig. I. Nannoniscus analis n. sp. (continued). 

 Fig. i a. Seventh left thoracic leg of a male, from in front; x 48. 



i b. Seventh left thoracic leg of a female, from in front; x 58. 



Fig. 2. Nannoniscus reticulatus n. sp. 

 Fig. 2 a. Male, from above; x 27. The reticulation omitted. 



2 b. Anterior part of the head of a male, from above; x 40. 

 2 c. Female, from above; x 32. 



2d. Right antennula of a female, from above; x no. 



2e. First left thoracic leg of a female, from behind; x 51. 



