92 REPORT OF NEW JERSEY STATE MUSEUM. 



Description. — Head rounded, with two small horns, and 

 carries at its base a pair of very long branchiform appendages.' 

 Abdominal penniform appendices simple. Length about four 

 inches. (Milne-Edwards.) 



Remarks. — Only known from our limits by De Kay's record 

 for Mola mola taken in the lower bay within Sandy Hook. He 

 further says that various parasitic animals, such as Pennella 

 sagitta and Tristopus coccineum, are found frequently adhering 

 to its body. It seems hardly likely De Kay could have confused 

 this species with Pennella Hlosa, and for this reason his record 

 is allowed to remain distinct provisionally. 



Genus LERNEOCEROPSIS new genus. 

 Type Lerneoceropsis septemramosiis new species. 



This genus resembles the preceding in most respects, but dif- 

 fers at once in the presence of a pair of horn-like excrescences 

 projecting outward from each side of the neck. 



A single species, parasitic on several small fishes along our 

 coast. 



{Lerncea, the name of the typical genus; ceros, horn; opsis, 

 appearance. ) 



Lerneoceropsis septemramosus new species. 



Plate 24. 



Description of female. — Body elongate, filamentous, at least 

 for greater portion anteriorly, so that nearly two-thirds of this 

 region quite filiform and evenly slender. Hind part of body 

 swollen cylindrically, rather gradually so at first. Head ter- 

 minal, hardly distinct, and with five slender radiating filamen- 

 tous branches or appendages, all alike, simple, rather short and 

 ends not swollen, at least conspicuously. On neck, close below 

 head, though distinctly separate, a branched appendage extends 

 out each side from axis of neck. Left branch smaller in the 

 type, though subequal to right in some examples, and sometimes 

 less than half as long. Sometimes right branch with small sub- 



