PLATE I 
? Bispira melana 
Fig. 1. Dorsal view—branchie expanded 
2. Tube-dwellers in their natural habitat on the sea wall at English 
Harbor, Antigua 
PLATE II 
? Bispira melania 
Fig 
g. 1. Specimen without branchie 
2. Specimen showing branchiw regenerating 
Ventral view—branchie folded 
9 
oe 
4. Branechial filaments 
