1897.] NATURAL SCIENCES OF PHILADELPHIA. 127 



165. Alutera punctata Agassiz. Long Mingo. 



Alutera punctata Agassiz, Pise. Brazil, 1829, 137, pi. 76, very bad. 



Head to upper end of gill-opening 3£ in length ; depth 1\ ; dor- 

 sal 1-36; anal 35; orbit 41 in head to upper end of gill-opening; 

 length of gill-opening 3 ; caudal 21 in body; base of dorsal 3. 



Profile concave ; lower jaw much projecting, teeth in a single 

 series in each jaw ; eye 1 \ its diameter below dorsal outline of body ; 

 dorsal spine (broken) situated over middle of eye a little nearer soft 

 dorsal than tip of snout ; base of soft dorsal slightly shorter than 

 that of anal; pectoral short, equal to gill-opening, its base under 

 posterior third of gill-opening and anterior margin of eye ; caudal 

 peduncle 2z times longer than eye ; caudal long and rounded be- 

 hind. 



Color, in spirits, slaty-brown, darker above, covered with small, 

 round, dark-brown spots, about half as big as pupil; snout dark; 

 dorsal and anal dusky; caudal black. 



Here described from a specimen about 9 inches in length. 



This species is evidently distinct from the northern Alutera 

 schcepfi. 



166. Limonacanthus pullus (Ranzani). 



Monacanthus pullus Ranzani, Nov. Comm. Acad. Sci. Inst., Bonon.. 1842, 

 V, p. 4, taf. 1. 



Monacanthus pardalis, Giinther, Cat., VIII, 230. 



167. Monacanthus hispidus (Linnceus). Mingo. 



Batistes hispidus Linnjeus, Syst. Nat., Ed. XII, 405 (Carolina). 



Several specimens (one dried) 41 in. long. The snout seemingly 

 more produced, and more concave in profile than the northern form, 

 but otherwise the same. The two males have the side of the caudal 

 peduncle covered with retrorse spinelets, and have a smaller eye 

 than the females. $ , eye 2 \ to 2f in snout ; $ , eye 2\ to 2£ in 

 snout. Covered with small dots which are sometimes arranged in 

 horizontal rows, and irregular dark blotches. 



168. Monacanthus ciliatus (Mitchill). Flap Mingo. 



Batistes ciliatus Mitchill, Amer. Monthly Mag. and Crit. Review, No. V, 

 Vol. II, Mch., 1813, p. 326 (Strait of Bahama). 



Body with dark horizontal bands ; caudal with two dark cross- 

 bands, one being at the tip ; ventral flap washed with yellowish- 

 olive, with a dark blotch in male; fins colorless in females; dorsal 

 and anal tinged with yellow in the male. 



