CRUSTACEA MALACOSTRACA. II. 139 



Fig. 5c. Cephalotliorax of a subadult male, from the left side; x 86. 



— 5d. Last thoracic segment (leg omitted) and abdomen with left nropod and fourth left pleopod 



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



Fig. 6. Leptognathia submqualis n. sp. 

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



— 6b. Cephalotliorax 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 ventralis 11. sp. 



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



— 7 b. Cephalotliorax 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. 



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



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



— je. 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. 



— y g. Abdomen of a female from Stat. 115, from the left side; X 59. 



7I1. Left second thoracic leg of a female without marsupium from Stat. 38, from the outer side; x 86. 

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

 the left side; x 86. 



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



the outer side; x 86. 



Plate IX. 



Fig. 1. Leptognathia tenella u. sp. 

 Fig. 1 a. Female without marsupium, from above; x 33. 



— 1 b. Cephalotliorax and second thoracic segment of a female without marsupium, from the left 



side; x 95. 



— 1 c. 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. 



— 1 e. Three posterior abdominal segments of the female shown in fig. 1 a, from above; x 84. Seta; 



of right uropod omitted. 



P'ig. 2. Leptognathia acanthifera n. sp. 

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



