HAYNES: EARLY ZOEAL STAGES OF HIPPOLYTIDAE 



mm (range 3.0-3.5 mm, 10 specimens). Rostrum 

 slender, spiniform, without teeth, slightly less 

 than one-half length of carapace. Carapace with 

 small, somewhat angular, dorsomedial promi- 



nences at base of rostrum and near posterior edge. 

 Pterygostomian spines present, not hidden by 

 sessile eyes. Several minute spines adjacent to 

 pterygostomian spine: three or four spines on 



0. 1 mm 



0.25 mm 



Figure 3. — Stage I zoea of Eualus suckleyi: A, whole animal, right side; B, antennule, ventral; C, antenna, ventral; D, mandibles, 

 left and right, posterior; E, maxillule, ventral; F, maxilla, dorsal; G, first maxilliped, dorsal. 



427 



