ANGLER FISHES — GILL. 



571 



A most remarkable episode is connected with the history of the 

 Antennariids. In 1872 the illustrious Professor Agassiz obtained a 

 globular mass of sea-weed {Sargassum) charged with eggs, and as- 

 sumed that the mass Avas a nest made bv a frog-fish, and for a gene- 



V3<*n«Kffin)»»nJ«iMm's»:t<<>iii>'.;^>'> Xi'^uivia 





T' 



FiG. 3. — Ovaries of the common Angler (Lophiiis pisc<itorius). After Pulton (reduced). 



ration or more his view was unhesitatingly adopted. It was only 

 after the discovery of the actual oviposition of the frog-fish that sus- 

 picion was attached to the old identification. As will appear from 

 the third part of this article, the Sargassum conglomeration is due to 

 the peculiar eggs of a flying-fish. 





Fig. 4. — Enlarged view of ovaries and ova of the common Angler (Lophius piscatorius). 



After Pulton. 



The Sladenia is especially noteworthy as being a less depressed 

 form than others of its family as well as on account of the ditference 

 in the connection of the spines and rays. 



Early Pediculates. 



It might naturally be supjoosed that fishes so eccentric in their 

 organization as the Pediculates came into existence at a compara- 

 tively late period in the development of animal life. It is there- 



