250 



CRUSTACEA MALACOSTRACA. III. 



Fig. 7 d. Seventh left leg of the same female, from in front; x 52. 



7 e. Posterior part of abdomen with tiropods of the same female, from below ; x 55. 



Fig. 8. Desmosoma politum n. sp. 

 Fig. 8 a. Female without marsupium, from above; x 26. 



8 b. First left thoracic leg of a female, from behind ; x 55. 



8c. Second left thoracic leg of the same female, from behind; x 55. 

 8d. Seventh left thoracic leg of the same female, from in front; x 55. 

 8 e. Abdomen of a female, from below ; x 54. 



Plate XL 



Fig. i. Desmosoma gracilipes n. sp. 

 Fig. i a. Ovigerous female, from above; x 18. 



i b. First left thoracic leg of a female, from behind ; x 34. 



i c. Second left thoracic leg of the same female, from behind ; x 34. 



i d. vSeventh left thoracic leg of the same female, from in front; x 34. 



i e. Posterior part of abdomen with nropods of a subadult female, from below; x 45. 



1 f. Male, from above; x 21. 



Fig. 2. Desmosoma natator n. sp. 

 Fig. 2 a. Male, from above ; x 33. 



2 b. First right thoracic leg of the male, from behind ; x 63. 



2 c. Major part of second right thoracic leg of the male, from behind; x 63. 

 2 d. Seventh left thoracic leg of the male, from in front ; x 63. 



2 e. Abdomen and posterior part of thorax, with the basal parts of last pair of legs, of the same 



male, from below ; x 54. 



Fig. 3. Desmosoma laterals G. O. Sars. 

 Fig. 33. Female without marsupium, from above; x 27. 



3 b. Head and the two anterior thoracic segments of a female without marsupium, from above; x 44. 

 3 c. First left thoracic leg of a female, from behind ; x 58. 



3 d. Second left thoracic leg of the same female, from behind ; x 58. 

 3 e. Seventh left thoracic of the same female, from in front; x 58. 



Fig. 4. Desmosoma armatum G. O. Sars. 

 Fig. 4 a. Seventh left thoracic leg of a female with marsupium, from behind ; x 54. 



Fig. 5. Desmosoma insigne n. sp. 



Fig. 53. Female with marsupium (from the "Ingolf" Stat. 36), from above; x 18. 

 5b. Fifth thoracic segment of the female shown in fig. 53, from above; x 26. 

 50. Fifth thoracic segment of a male, from above; x 26. 

 5d. First left thoracic leg of an adult female, from behind; x 37. 



