PLATE 3. 



1. Molpadia holothurioides Cuvier? 



Adult from Station 4672, seen from the side. The absence of a caudal appendage is perhaps due 

 to an accident. 



2. Molpadia bathybia H. L. Clark. 

 Paratype from Station 4670, seen from below. 



3. Parelpidia anamesa H. L. Clark. 

 Holotype from Station 4658, seen from below. 



4. Synallactes aenigma Ludwig. 



Adult from Station 4649; the discarded and contracted skin seen from above. 



5. Molpadia sp. 



Drawn from a specimen, no longer extant, taken at Station 4630. 



6. Scotoplanes murrayi (Theel) . 



Adult from Station 4651, seen from above. 



All figures supposed to be natural size. 



