CRUSTACEA MALACOSTRACA. II. 



Fig. 50. Cephalothorax of a subadult male, from the left side; x 86. 



56. Last thoracic segment (leg omitted) and abdomen with left uropod and fourth left pleopod 

 - the other pleopods omitted --of the same subadult male, from the left side; x 60. 



Fig. 6. Leptognathia subcequalis n. sp. 

 Fig. 6 a. Female without marsupium from the "Ingolf" Stat 139, from above; x 34. 



6b. Cephalothorax and second segment with appendages of a female with marsupium from the 



same station, from the left side; x 89. 



6c. Left cheliped of another female from the same station, from the outer side; x 135. 

 6d. Three posterior abdominal segments of the female shown in fig. 6b, from the left side; x 89. 

 6e. Four posterior abdominal segments with pleopods and left uropod of an immature male or 

 more probably a female without marsupium from the "Ingolf" Stat 4, from the left side; x 89. 

 6f. Left antennula and antenna of a subadult male from the "Ingolf Stat. 139, from the left 



side; x 89. 



Fig. 7. Leptognathia ventratis n. sp. 



Fig. 7 a. Female without marsupium from the "Ingolf Stat 115, from above; x 27. 



7 b. Cephalothorax and second segment - - only the basal part of its left leg drawn of a 



female with marsupium from the same station, from the left side; x 86. 

 7c. Mandibles of an immature male, from above; x 142. I. left mandible. 

 7d. Maxillipeds of the last-named specimen, from below; x 142. 



7e. Left third thoracic leg of a female with marsupium from Stat. 115, from the outer side; x 86. 

 7f. Left seventh thoracic leg of the same female, from the outer side; x 86. 

 7g. Abdomen of a female from Stat. 115, from the left side; x 59. 



j\\. Left second thoracic leg of a female without marsupium from Stat. 38, from the outer side; x 86. 

 7i. Cephalothorax and second segment with appendages of a subadult male from Stat. 115, from 



the left side; x 86. 

 7k. Three posterior abdominal segments with left pleopods and uropod of a subadult male, from 



the outer side; x 86. 



Plate IX. 



Fig. i. Lcptognathia tenella n. sp. 

 Fig. i a. Female without marsupium, from above; x 33. 



i b. Cephalothorax and second thoracic segment of a female without marsupium, from the left 



side; x 95. 



ic. Left seventh thoracic leg of the same female, from the outer side; x 95. 

 id. Abdomen of the same female, from the left side; x 95. 



i e. Three posterior abdominal segments of the female shown in fig. la, from above; x 84. Setae 

 of right uropod omitted. 



Fig. 2. Leptognathia acanthi/era u. sp. 



Fig. 2 a. Female without marsupium, from above; x 31. 



18* 



