262 



CRUSTACEA MALACOSTRACA. III. 



Fig. 9. Gnathia albescens n. sp. 



Fig. 9a. Male, from above; x 15. Caudal setae omitted. 



— 9 b. Anterior half of the head with right antennula [a 1 ), left antenna (a 2 ), and the proximal part 



of left antennula (a 1 ) of a male, from above; x 38. 



— 9c. Left maxilliped of a male, from below; x 32. 



— 9 d. First left thoracic leg of the same male, from below ; x 32. 



— 9 c Second left thoracic leg of a male, from the outer side; x 32. 



— 9 f. Posterior part of abdomen with right uropod of a male, from above; x 46. 



— gg. Head of a larva, from above; x 44. Left antenna and most of left antennula omitted. 



— 9I1. Posterior part of abdomen with right uropod of the same larva, from above; x 50. 



Fig. 10. Gnathia bicolor n. sp. 



Fig. 10 a. Male, from above; x 11. Caudal setse omitted. 



— 10 b. Second left thoracic leg of the male from the outer side; x 32. 



— 10c. Last abdominal segment with left uropod of the male, from above; > 31. 



