

PLATE X. 



Fig. 39. Sicyonia rectirostris de Man, female from Stat. 193, type, x 4; 39# upper part of the carapace 



with the rostrum, x 10; 39^ thelycum, X 17, « the legs of the fifth pair; 39^ left leg of the 



first pair, X 10. 

 Fig. 40. Sicyonia parvula de Haan, young female from Stat. 164, long 17 mm., X 5; 40a upper side of 



the carapace, with the rostrum, of another female of the same size, from the same Station, 



X 10 ; 40b distal part of the rostrum of this female, < 50 ; 40c right antennular peduncle with 



the surrounding organs, of this female, x 25 ; 40^ right leg of the first pair of this female, 



X IO; this leg shows a stouter shape than that of Sic. rectirostris. 

 Fig. 41. Sicyonia laevis Sp. Bate, carapace with the rostrum of the young female from Stat. 184, X 10 ; 



41a distal extremity of the rostrum, 25; 41b right leg of the first pair, X 10. 

 Fig. 42. Sicyonia bispinosa de Haan, carapace of the young male from Stat. 99, X 10 ; 42a extremity of 



the rostrum, ■; 50; 42b right antennular peduncle with the eye and the scaphocerite, >; 25; 



4.2c left leg of the first pair, 10. 

 Fig. 43. Sicyonia ocellata Stimpson. Thelycum of the female, from Stat. 301, X 25. 

 Fig. 44. Sicyonia trispinosa de Man, carapace of the male from Stat. 37, X 10 ; 44^ distal part of the rostrum 



of the female from Stat. 51, < 50; 44b first and second abdominal somite of the male, X 5; 



44^ petasma viewed from behind, 50; 44^ right antennular peduncle etc. of the male, X 25 ; 



44^ left leg of the first pair of the male, x 10. 

 Fig. 45. Sicyonia carinata Olivi = sculpta H. M. Edw., orbital angle of a female, long 62 mm., from the 



gulf of Naples, X 10 ; 45^ right antennular peduncle etc. of this female X 10. 



