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Fig. 
Fig. 
Fig. 3. 
Fig. 
Fig. 
Fig. 
AGASSIZ AND MAYER: MEDUSÆ FROM AUSTRALIA, 19 
EXPLANATION OF THE PLATES. 
PLATE I. 
Desmonema rosea; oral view ; $ natural size. 
PLATE II. 
Side view of Crambessa mosaica ; % natural size. 
PLATE III. 
Crambessa mosaica. 
Aboral view of marginal sense organ. 
Side view of the terminal portion of one of the mouth-arms, highly magni- 
fied, showing the suctorial mouths and the furrows bordered by rows of 
tentacles. 
Side view of a mouth-arm. 
Cross section of one of the mouth-arms. 
