FISHERY BULLETIN: VOL. 79, NO. 3 



FIGURE 2. 



0. 5 mm 



-Stage II zoea of Lebbeus polaris: A, carapace, right side; B, antennule, ventral; C, antenna, 

 ventral; D, first pereopod, right side. 



Maxillipeds. — Same as Stage I. 



First pereopod (Figure 2D). — Unsegmented, 

 slightly narrower than in Stage I. Propodite and 

 dactylopodite tipped by small spine; dactylopodite 

 without seta; exopodite remnant. 



Second to fifth pereopods. — Similar to Stage I, 

 except second pereopod slightly narrower, without 

 exopodite. Third, fourth, and fifth pereopods with 

 incipient segmentation. 



Pleopods. — Similar to Stage I except more bi- 

 lobed, appendices internae more distinct. 



Abdomen and telson. — Nearly identical to Stage 

 I, except sixth abdominal somite and telson 

 jointed. Same number of telsonic setae as in Stage 

 I. Uropods still enclosed. 



Eualus suckleyi — Stage I Zoeae 

 Mean total length of Stage I (Figure 3A), 3.2 



426 



