HAYNES: DESCEUPTION OF PANDALUS BOREALIS LARVAE 



spines persist through all remaining zoeal stages 

 Epipodite of first maxilliped slightly larger than 

 in Stage I but still not bilobed; pleurobranchiae 

 present as primordial buds. 



ANTENNULE (Figure 2B).— Three-segmen- 

 ted; bears large outer and smaller inner flagellum 



on terminal margin. Flagella not segmented. 

 Inner flagellum conical, bears one long spine ter- 

 minally. Outer flagellum bears two groups of aes- 

 thetascs: one group terminally consisting of eight 

 aesthetascs, two of them larger than remaining 

 six, and a pair of aesthetascs on inner margin. A 

 small budlike projection (not shown in Figure 2Bi 



0.25 mm 



Figure 2. — Stage II zoea ofPandalus borealis A, whole animal right side; B, antennule. ventral; C. antenna, ventral; D, mandibles 

 (left and right), posterior; E. maxillule. ventral: F, maxilla (exopodite and endopodite), dorsal. 



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