6. Monacanthus setifer Bennett. Bennett's File-fish. Mona 

 canthus massachusettensis Storer, Hist. Fish. Mass., 1867, p. 231, pi 

 xxiv, fig. 4. Monacanthus signifer Storer, Hist. Fish. Mass., 1867, p 

 232, pi. XXXV, fig. 1. Occasionally seen in summer in protected bays 

 Storer records specimens from Hingham, Lynn, Nahant, and Boston 



Order LOPHOBRANCHII . 



Sub-order SYNGNATHI. 

 Family HIPPOCAMPID^. 



7. Hippocampus antiquorum Leach. Sea Horse. ? Hippo- 

 campus hudsonius Storer, Hist. Fish. Mass., 1867, p. 222, pi. xxxiii, fig. 

 4. Hippocampus antiquorum Goode, Bull. U. S. National Museum, i, 

 p. 45, 1878. A single individual was obtained on George's Banks in 

 1873, by a Portland mackerel schooner. This, or some nearly allied 

 species, has been seen in Massachusetts Bay. 



Family SYNGNATHID^. 



8. SiphonostomaPeckianuni (/Scorer) G^i7Z. Syngnathus Pecki- 

 anus Storer, Hist. Fish. Mass., 1867, p. 218 (in part). Siphonostoma 

 Feckiana Gill, MSS. A specimen was taken in South Mill Pond, 

 Salem, in 1855 (Essex Institute collection). 



9. Siphonostoraa fuscum (Storer) Jordan & Gilbert. Syngna- 

 thus Peckianus Storer, Hist. Fish. Mass., 1867, p. 218 (in part), pi. 

 xxxiii, fig. 3. Specimens were seined by the U. S. Fish Commission, 

 near Beverly bridge, August, 1877. 



Order HEMIBR ANCHII. 

 Family CENTRISCIDiE. 



10. Centriscus scolopax Linii. Snipe Fish. Centriscus scolo- 

 pax Storer, Hist. Fish. Mass., 1867, p. 279. A single individual of this 

 European species was taken at Provincetown, in 1857, by Capt. N. E. 

 Atwood. 



Family FISTULARIID^. 



11. Fistularia serrata Cuv. Tobacco-pipe Fish. Fistularia 

 serrata Storer, Hist. Fish. Mass., 1867, p. 140, pi. xxv, fig. 1. A speci- 

 men of this species, taken at Rockport, Mass., Sept., 1865, is in the 

 collection of the Essex Institute. 



