LARVAE OF DECAPOD CRUSTACEA 295 



with spine at each angle ; posterior margin straight, with median spine ; spine 2 reduced ; 

 formula 8 + 8. 



Antennal scale with one outer and fourteen inner and terminal setae, distal part 

 with four distinct segments; basis without ventral spine; endopod with three nearly 

 equal terminal setae. 



a. Telson. 

 d. Maxilla. 



Fig. 2. Nephrops sp. ? 



b. Part of antennal scale. 

 e. Maxillipede i. 



c. Maxillule. 

 /. Maxillipede 2. 



Mandible without palp. Maxillule with small unsegmented palp. Maxilla with four 

 inner lobes; endopod very small, unsegmented, with one small inner lobe; exopod 

 very large in front, but not produced proximally ; one very large seta at proximal end 

 and fifteen marginal setae. 



Maxillipede i with very small rudiment of epipod ; endopod and exopod very small, 

 the former unsegmented. Maxillipede 2 with exopod reduced to a minute non- 

 functional vestige; ischium and merus not separated and fused with basis. Maxilli- 



