146 



Npost 



Text-fig. 74. Abyla sp. aff. trigona from Tropical Atlantic. A, complete specimen from 'Discovery II' St. 711; 

 B, C, D, different views of a specimen from 'Discovery II' St. 709. A-D x 4-2. 



Whydj 



W.hydl. 



iQmm 



Protch>* ^^v=^-=^r^^>< To.vr To.v.1. 



Text-fig. 75. A, Abyla trigona, posterior nectophore, 'Discovery II' St. 2067, Canaries, X42; B, Abyla carina, part of 

 'Challenger' material, posterior nectophore; C, Abyla tottoni, basal part of posterior nectophore, x 5-2, 'Discovery II' 

 St. 1 178, eastern South Atlantic; D, Abyla trigona Q. & G., comb of right ventral hydroecial wing of posterior nectophore, 

 part of type material (Mus. d'Hist. Nat. Paris); E, same, dorsal view of base of posterior nectophore to show ventral 

 teeth, x 5-5. 



