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PROCEEDINGS OF THE NATIONAL MUSEUM 



Figures 140-156. — Metridia effusa, new species, male: 140, fourth and fifth thoracic seg- 

 ments and abdomen, dorsal view; 141, anterior end of head, dorsal view; 142, right fifth 

 foot; 143, left fifth foot. Lucicutia major, female: 144, anterior end of head, dorsal view; 

 145, fifth thoracic segment and abdomen, dorsal view; 146, fifth thoracic segment and 

 abdomen, lateral view; 147, fifth foot. Disco inflatus, male: 148, dorsal view; 149, fifth 

 thoracic segment and abdomen, lateral view; 150, distal segments of left first antenna; 

 151, mandible palpus; 152, mandible blade; 153, first maxilla; 154, second maxilla; 155, 

 distal end of second maxilla, other side; 156, maxilliped. 



