of the Essex Institute has a specimen, about four inches in length, 

 taken on the banks of Newfoundland, in 1856, by L. J. Johnson. This 

 is probably the most northern recorded occurrence of the species in 

 the western Atlantic, excej)t an uncontirmed statement by Pennant of 

 its appearance in Hudson's Bay. 



Order PLE C TO GN ATHI . 



Sub-order GYMNODONTES. 

 Family ORTHAGORISCID^. 



2. Mola rotunda Cuv. Sun-fish. Orthagoriscus mola Storer, 

 Hist. Fish. Mass., 1867, p. 226, pi. xxxiv, fig. 2. Frequently seen on 

 warm summer days, floating on its side at the surface. An individual 

 four feet in length, was taken off Gloucester, July 31, 1860. The 

 Essex Institute has a specimen, stuffed, taken in Salem harbor in the 

 summer of 1863. 



Family TETRODONTID^. 



3. Cirrisomus turgidus {Mitch.) Jordan & Gilbert. Swell- 

 fish. Tetrodon turgidus Storer, Hist. Fish. Mass., 1867, p. 223, pi. 

 xxxiii, fig. 5. The museum of the Essex Institute has a specimen 

 from Salem harbor, probably that recorded by Wheatland (Jour. Essex 

 Co. Nat. Hist. Soc, 1852, p. 124) as having been taken in 1848. The 

 species has also been found at Provincetown by Capt. N. E. Atwood. 



Sub-order SCLEBODEBMA. 

 Family BALISTID^. 



4. Balistes capriscus Linn. Dusky File-fish. Balistes full- 

 ginosus DeKay, Zool. N. Y. Fish., 1842, p. 339, pi. Ivii, fig. 188. This 

 species has several times been taken at Newport, R. I., and Wood's 

 Hole, Mass. In the Colonial Museum at Halifax is a specimen said to 

 have been taken on the coast of Nova Scotia. The species should be 

 looked for in Massachusetts Bay. 



5. Alutera Schoepfii {Walb.) Goods & Bean. Orange File- 

 fish. Monacanthus aurantiacus Storer, Hist. Fish. Mass., 1867, p. 

 9, pi. xxxiv, fig. 3. Ceratacanthus aurantiacus Gill. Alutera cuspi- 

 cauda DeKay. Aluteres cuspicauda Storer, Hist. Fish. Mass., 1867, p. 

 233, pi. XXXV, fig. 2. Seldom seen north of Cape Cod. A single indi- 

 vidual was taken at Forest River Lead Works, Salem, Aug. 9, 1845, 

 and is now in the museum of the Essex Institute. A. cuspicauda is 

 the young of this species. 



