- r. _ ri 



t 



\'^ 



i 



EXPLANATION OF THE PLATES. 



281 



PLATE LIL 



Fig. 1. Sergestes hisulcatus W.-M, 



££ J[a a a i( 



it 



a 



i( 



i( 



(( 



(( 



(( 



1". 



1'. 

 1^. 



1". 



I 



i 



1\ 



a 



it 



a 



(( 



it 



it 



fc i 



it 



it 



it 



i( 



a 



a 



a 



a 



(( 



a 



a 



a 



a 



(t 



Enlarged. 



Anterior part of carapace. More lugUj 



magnified. 



Swimmeret. 



Eirst antenna of male. 



Part of lirst antenna of male, more eialarged 



to show the appendicular organ. 



Antcnnal scale, male. 



Antenna of first pair, female. 



Part of antenna of first pair, female. More 



enlarged. 



Petasma of male. 



\ 



PLATE LIII. 



A 



Fig. 1. Etccojrki scid^ytlcauda Fax. 



a i^a^ a a a 



it ^h a a a 



(t 



it 



it 



a 



it 



a 



V^, K a it 



■j^d i( it (t 



2, Fetalophthalmus armiger W.-S. 



2«. 

 2\ 



it 



6i 



it 



a 



it 



it 



li 



it 



a 



Female. Enlarged. 



Swimmeret. 



End of telson, more highly magnified. 



Front, eyes and antennae, from above. 



Second antenna. 



Feinale. Ceplialo-thorax, much enlarged. 



" Blake " Station 29, Gulf of Mexico. 



Swimmeret of same specimen. 



Second antenna of same specimen. 



First abdominal appendage of same speaimen 



PLATE Liy. 



t 



Fig. 1. Petalophthalmus pacificus Fax. 



it ^a^ it a ii 



it 



l^ 





1\ 





V. 





1". 





v. 





l". 





1ft 



t£ 



ii 



it 



a 



it 



ii 



it 



a 



a 





it 



it 



ii 



a 



it 



a 



it 



it 



it 



it 



Male. Much enlarged. 

 Anterior part, from above. 

 Carapace from above. 

 Swimmeret. 

 Modified eye-stalk. 

 Second antenna. 

 First abdominal appendage. 

 Second abdominal appendage. 

 Fifth abdominal appendage. 



PLATE LV. 



\ 



y 



1 



Fig. 1. Scolophthalmus lucifugus Fax, 



a 



it 



it 



it 



1\ 



1^. 



a 



a 



it 



it 



it 



ii 



it 



ii 



{( 



ii 



ii 1«. 



" 2. Ceratoinysis splnosa Fax. 



it 



a 



a 



ii 



a 



Female. Much enlarged. 

 Anterior part, from above. 

 Carapace from above. 



Swimmeret. 



Second antenna. 



Fifth abdominal appendage. 



Female. Lateral view. Much enlarged, 



36 



