248 



CRUSTACEA MALACOSTRACA. III. 



Fig. 6. Nannoniscus flebejus n. sp. 

 Fig. 6 a. Major part of a male, from above ; x 50. 



— 6b. Anterior part of a female, from above; x 50. Of left antenna the sixth joint of the peduncle 



and the filiform flagellum are omitted. 

 6 c. Anterior right part of the head of a male, showing the autennula and the four proximal 

 joints of the antenna, from above; x 145. 



— 6 d. First right thoracic leg of a male, from behind; x 82. 



— 6 e. Seventh left leg of a male, from behind ; x 82. 



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

 a female, from below; x 67. 



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



a male, from below; x 86. 



Fig. 7. Nannoniscus minutus n. sp. 

 Fig. 7a. Female without marsupium, from above; x 31. 



— 7b. Anterior half of the same female, from above; x 50. 



— 7c. Right antenuula of a female, from above; x 180. 



— 7 d. First left thoracic leg of a female, from behind; x 78. 



— ye. Sixth left thoracic leg of the same female, from in front; x 78. 



— 7 f . Abdomen and last thoracic segment of a female, from above; x 47. 



— 7 g. Abdomen and the two posterior thoracic segments, with the basal parts of their legs, of an 



ovigerous female, from below; x 61. 



— 7 h. Abdomen and the three posterior thoracic segments, with the proximal parts of their legs, 



of the same female, from the left side; x 58. 



Plate X. 



Fig. 1. Nannoniscus armatus n. sp. 

 Fig. 1 a. Young female, from above; x 27. 



— ib. Head of the same specimen, from above; x 45. 



— 1 c. First left thoracic leg of the same specimen, from behind; x 56. 



— id. Second left thoracic leg, from behind; x 59. 



— 1 e. Abdomen and the three posterior thoracic segments of the same young female, from the 



right side; x 46. Seventh leg omitted as only half developed, the proximal parts of the two 

 preceding legs are shown. 

 1 f. Abdomen and the posterior part of the thorax of the same specimen, from below ; x 58. 

 The only half-developed seventh pair of the thoracic legs omitted, while the proximal parts 

 of sixth pair are shown. The long and slender ventral process shown on fig. 1 e has not 

 been rendered, as the anterior half of the penultimate thoracic segment is omitted. 



Fig. 2. Nannoniscus spmicornis n. sp. 

 Fig. 2 a. Anterior half of a female, from above; x 53. 



— 2 b. Right autennula, from above ; x 152. 



