FISHERY BULLETIN: VOL. 71, NO. 1 



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Figure 1. — Setal types in four porcellanid species studied: A-E (Scale 1), zoeal 

 telson processes, distal portions: A - processes 3 and 4, Pachycheles spp. ; B - 

 processes 5, 6, and 7, Pachycheles spp.; C - median spine, Zoea II, Pachycheles spp.; 

 D - processes 3 through 7, Petrolisthes spp. ; E - median spine, Zoea II, Petrolisthes 

 spp. F-K (Scale 2), zoeal maxillary setae, all four species. L, N (Scale 2), 

 scythelike cleaning setae, straight and hooked, megalopa, pereiopod 5, all four 

 species. M, O (Scale 2), "spikelike" and "brushlike" setae, megalopa, maxilliped 

 III, all four species. Scales in millimeter. 



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