Van Name. — Simple Ascidians. 
PLATE 63. 
Fig. 107. Pandoda fibrosa {Stimpson). Part of branchial sac. X 18. 
Fig. 108. Tethyum plicaium (Lesueur). Gonad as seen from side attached 
to mantle. X 7. 
Fig. 109. Tethyum molle (Stimpson). Gonad as seen from side next to 
branchial sac. X 20. 
Fig. 110. Pandocia fibrosa (Stimpson). Gonad as seen from side next to 
branchial sac. X 26. 
Fig. 111. Pandocia albalrossi, sp. nov. Part of branchial sac. X 20. 
