CRl'STACBA MALAC08TRACA. III. 



x 36. ep. epimeron. Of right antennula and antenna the proximal joints, of left antenmila 

 and antenna only the basal part of their first joint are shown. 

 Fig. ab. Left portion with, epimeron of first thoracic segment shown in fig. a a, from above; x 50. 



The seta terminating the process was lost 



3 c. The three posterior thoracic segments, with the proximal parts of the legs and of the abdo- 

 men, of a female without marsupium from Lat 6ii5' N., from above; x 33. 



Fig. 3. Dfitdrotion fxiradoxum n. sp. 

 Fitf. 3 a. Not full-grown male, from above; x 33. Of the anteniiuhc and antennae only the proximal 



joints are shown. 

 3b. Right process of third segment of the same male, from above; x 90. 



3 c Head with right antennnla and antenna of an immature female, from above; x 33. 

 3d. Distal half of first left leg of the largest male, from behind; x 88. 



3e. End of abdomen of a male, from above; x 130. 



Fig. 4. Schistosoma ramomm n. gen., n. sp. 

 Fig. 43. The single specimen, a male, from above; x 40. 



40. Posterior segments of the thorax and basal part of abdomen, from above; x 53. 



4 c Right antennnla, from above; x 93. 

 4d. Left mandible, from below; x 127. 

 4e. Left maxilliped, from below; x 137. 



4f. Major part of first left leg, from behind; x 93. 

 4 g. Distal part of the same leg, from behind ; x 145. 

 4h. Distal part of sixth left leg, from behind; x 137. 



4 i. Last thoracic segment and abdomen, from below ; x 80. 



Fig. 5. IsehnomrsHs fro/unJus n. sp. 



Fig. 53. The single specimen, a male, from above; x **/,. Uropods lost 

 50. Head and the two anterior thoracic segments from above; x 34. 



5 c Right maxilliped, from below ; x 77. 



5 d. Major part of first left leg, from behind ; ab. x 35. 



5 e. Posterior part of the body, from above; x 35. The uropods lost 



5t Abdomen and seventh thoracic segment with the proximal part of left leg, from below; 

 x 301 The uropods lost 



Fig. 6. Ischnomrsus armaius n. sp. 

 Fig. 6 a. Male, from above; x it. 



6b. Head with the two anterior thoracic segments of the same male, from above; x 34. 

 6c Left mandible, from below; x 64. 



6d. Right maxilliped of a male, from below; x 64. 



