CATALOGUE OF VERTEBRATES. 767 



first one filamentous in > some specimens; length, 6 inches. 

 Eeferred to in following three species of C. C. A.'s list : 



"Canthorinua broeous. Foolfish. 



" This is an abundant species, found along our coast generally. 



"Canthorinua massaehusettensis. Filefish. 



"This species is frequently met with during the summer 

 months, along our coast generally. 



"Cardhorinus aegnifer. Thread Filefish. 



" Not abundant. Stragglers have been taken at Sandy Hook 

 and at Cape May." 



M. puUus, Eanz. {Cantherines, pardalis.) 



Has two pairs of spines on sides of tail ; ventral spine fixed ; 

 dorsal without barbs ; scales minute ; skin velvety. Soft rays, 

 dorsal, 35; anal, 31. Rare north of Florida. 



ALUTBRAj Ouv. 



(Baliste8.) 



A. sohcepffl, Walb. {aurantiaous, ouspicauda, Ceratacanthus.) Unicorn- 

 fish. Filefish. 



Dull green, marbled ; lower lip dusky ; eye small ; gill slit 

 long, below eye ; pectorals short ; caudal long in young ; scales 

 shagreen-like; lower jaw projecting so teeth point obliquely 

 backward ; pelvic bones without spine. Soft rays, 36 -|- 38 ; 

 length, 16 inches. Eeferred to in following two notes of 

 C. C. A. : 



"Alutera cuspioauda. Unicorn-fish. 



" This fish is very frequently met with along our coast, and is 

 uniformly abundant from New York to Cape May. They are 

 often abundant in Great Egg Harbor Bay, and many specimens 

 are in the Philadelphia Academy, from Beesley's Point. 



"Ceratacanthus aurantiaous. Orange Filefish. 



" This species is only a straggler on our coast, and is very 

 seldom met with. A specimen from Beesley's Point is in the 

 Philadelphia Academy's museum." 



A. scripta, Osbeck. 



With blue spots and lines and small, round, black spots ; snout 

 long, concave in profile ; part of gill opening in front of eye ; 

 pectoral below eye ; caudal long. Soft rays, dorsal, 46 ; anal, 

 50. Is rare north of South Carolina. 



