PLATE 3 
EXPLANATION OF FIGURES 
CUMINGIA 
I Normal trochophore. 
II Trochophore from centrifuged egg, oil on oral side. 
III Trochophore from centrifuged egg, oil in interior. 
IV Trochophore from centrifuged egg, oil aboral and anteri 
V Trochophore from centrifuged egg, oil aboral. 
VI Normal veliger. 
VII Veliger from centrifuged egg. pigment central. 
VIII Veliger from centrifuged egg, pigment at side. 
IX Veliger from centrifuged egg, pigment central. 
X Veliger from centrifuged egg, pigment anterior. 
XI Veliger from centrifuged egg, pigment posterior. 
XII Young mollusc; normal. 
XIII Young mollusc; normal side view. 
XIV Young mollusc; from centrifuged egg pigment central. 
XV Young mollusc; from centrifuged egg pigment dorsal. 
