252 CRUSTACEA MALACOSTRACA. III. 



Fig. 3. Storthyngura magnispinis Richardson. 

 Fig. 3 a. Male from the "Ingolf Stat. 36, from above; x 13. 



3 b. Head and first thoracic segment of the same male, from above; x 22. 

 3 c. Left mandible of a female ; from below ; x 35. 

 3 d. Left maxilliped of a female, from below ; x 35. 



3 e. First left thoracic leg of a female, from behind; x 24. 



3 f . Second left thoracic leg of the same female, from behind; x 24. 



3 g. Third left thoracic leg of the same female, from behind ; x 24. 



3 h. Fifth left thoracic leg of the same female, from in front; x 24. 



31. Seventh left thoracic leg of the same female, from in front; x 24. 



3 k. Abdomen and posterior end of last thoracic segment of a female without marsupinm, from 



below; x 23. 



3 1. Opercnlum of the male shown in fig. 3 a, from below ; x 32. 

 3 m. Posterior part of first pair of male pleopods, from below ; x 55. 



3 n. Second left male pleopod, from below ; x 36. 



Fig. 4. Syneurycope parallela n. gen., n. sp. 

 Fig. 43. Male from the right side; x 13. Major part of the antenna lost. 



4 b. Same male, from above ; x 13. 



4c. Right antennula, from the outer side; x 25. 



4d. Front end of head with the four proximal joints of right antenna, from the outer side; x 25. 



4e. Left mandible, from below; x 25. 



4! Left maxilliped, from below; x 59. 



4g. Inner margin of fifth joint of left maxilliped, from below; x 148. 



4h. First right thoracic leg from the outer side; x 23. 



4!. Distal half of first right thoracic leg, from the outer side; x 38. 



4k. Second right thoracic leg, from the outer side; x 23. 



4!. Fifth right thoracic leg, from the outer side; x 23. 



4m. Terminal part of fifth right leg, from the outer side; x 50. 



4n. Seventh right thoracic leg, from the outer side; x 23. 



4 o. Terminal part of abdomen with right uropod, from the right side ; x 59. ex. exopod. 



Fig. 5. Munnopsurus giganteus G. O. Sars. 



Fig. 5 a. Proximal part of the left maxilliped of a female without marsupium, from below; x 8. st. 

 sternite, to which the maxillipeds are attached; pcx. prsecoxa; ex. coxa (hitherto generally 

 considered as first joint of the maxilliped); bas. basis (hitherto counted as second joint); ep. 

 proximal part of the epipod. The greyish parts are thin membrane. 



Fig. 6. Munnopsuriis longipes Tattersall. 

 Fig. 6 a. Left mandible of a male, from below; x 10. 



6b. Distal parts of first pair of male pleopods, from below; x 15. 



