Bulletin, Vanderbilt Marine Museum, Vol. VI Plate 57. 



B 



ml. 



Euphausia alvae, new species, type : Dorsal view of anterior end of carapace 

 and appendages X 18; B, rhipidura X 20; C, specialized male first pleo- 

 pod, with the inner organ unrolled and drawn from the posterior hiteral 

 side; D, second male pleopod, with the inner organ shown from the pos- 

 terior lateral side; D and C X 40. 



