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PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXVIII. 



cutaneous appendages, wliich are merely: tags of skin in most species, 

 l)econie greatly developed, especially about the tail, and simulate in a 

 remarkable degree the appearance of the seaweeds in which they are 

 wont to lurk. 



Fig. n.— Sea-horse (Hippocampus 

 ATERRiiMus). Male. 



Fig. 12.— Sea-horse (HiPPOCAMPrs sin- 

 DONis). Male. 



The Solegnathines have the upper ridge of the caudal region deflected 

 and continuous into the lateral ridge, while the lower caudal ridge is 

 continuous with the ventro-lateral ridge of the trunk; the nuchal plate 

 is not elevated and not connate with the head. Nothing is known 

 respecting tlieir liabits, 



