HAYNES: DESCRIPTION OF PANDALUS BOREALIS LARVAE 



curved as in adult and its propodite slightly vi-id- 

 ened, third maxilliped becoming shaped as in 

 adult, and natatory setae on exopodites of second 

 and third maxillipeds increasing in number to 

 usually 20 in Stage V. 



FIRST PEREOPOD ( Figure 3D ).— Has begun to 

 acquire adult shape, particularly in widened pro- 

 podite and carpopodite segments. 



SECOND PEREOPOD (Figure 3E i.— Similar to 

 Stage II except distal joint of propodite projects 

 slightly anteriorly. 



THIRD, FOURTH (Figure 3F), AND FIFTH 

 PEREOPODS.— Endopodites similar; like first 

 pereopod have begun to acquire adult shape, espe- 

 cially in lengthened dactylopodite and widened 

 propodite. Ischiopodite articulates somewhat lat- 

 erally with meropodite. 



PLEOPODS (Figure 3G, second pleopod).— 

 Bilobed, unsegmented. and without setae. 



TELSON (Figure 3H).— Endopodite not fully 

 developed; about one-third length of exopodite and 

 bearing several setae along lateral and posterior 

 margms. Uropods free. Anal spine clearly visible. 



0. 5 mm 



Figure 3. — Stage III zoea of Pandal us borealis: A, whole ammal, right side; B. antennule i inner and outer flagella). ventral; C, 

 antenna, ventral; D. first pereopod. lateral. E. second pereopod, lateral; F. fourth pereopod, lateral; G. second abdominal somite and 

 pleopod, right side; H, telson, dorsal. 



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