LERNEADiE. 
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Order LERNEADAE. 
The mouth suctorial ; thorax not jointed. Feet and other 
organs of thoracic segment nearly rudimentary. Body very 
outre in appearance. 
The animals of this Order were placed by Linnaeus among 
the worms, and most authors followed the illustrious Swedish 
naturalist, as Dr. Baird tells us, till M. Surriray, a French 
physician at Havre, “ made the important discovery that the 
ova were contained in the long filaments suspended from the 
abdomen, and that the young, when born, bore no resem- 
blance to their parent, but on the contrary were extremely 
similar to the young of the Cyclops;” and shortly after Pro- 
fessor Nordmann clearly established their characters to be 
those of the Crustacea. 
These fantastically-formed creatures are all parasites on 
fishes : Dr. Baird says, “ We find them in all instances more 
or less deeply fixed in the tissue of the parts upon which they 
have taken up their habitation, and often so deeply lodged, 
that little else but the oviferous tubes are visible externally. 
There they remain, living at the expense of their host ; 
those that inhabit the branchiae, or are deeply fixed in the 
soft tissue of the bodies, drinking up the blood ; and the 
