[519] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 225 



As an illustration of tbe character and diversity of the haddock s food, 

 I add a list of the species taken from the stomach of a single specimen, 

 from the Boston market, and doubtless caught in Massachusetts Bay, 

 September, 1871. 



Natica clausa. 

 Margarita Groenlaudica. 



GASTROPODS. 



LAMELLIBRANCHS. 



Leda tenuisulcata. 

 Nucula proxima. 

 N. tenuis. 

 Crenella glandula. 



ECHINODERMS. 



Psolus phantapus. 

 Lophothuria Fabricii. 



In addition to these there were fragments of shrimp, probably Panda- 

 lus annulicornis, and numerous Annelids, too much digested for identi 

 fication. 



TOM-COD ; FROST-FISH ; (Microgadus tom-codus.) 



Several specimens from New Haven Harbor, January 30, contained 

 numerous Amphipods, among which were Moera levis ; Gammarus, sp. ; 

 Ampelisca, sp. ; an undetermined Macrouran; numerous Entomostraca; 

 the larva of Chironomus oceanicus. 



A lot taken in a small pond at Wood s Hole, in March, by Mr. Vinal 

 N. Edwards, contained the common shrimp, Crangon vulgaris ; large 

 numbers of the green shrimp, Virlius zoster icola ; the prawn, Palcemo- 

 netes vulgaris ; large quantities of Amphipods, especially of Gammarus 

 annulatus, G. natator, CalUop ms Iceviuscula, and Microdeutopus minax ; 

 and smaller numbers of Gammarus ornatus and G. mucronatus. 



Another lot of twelve, taken in April at the same place, contained 

 most of the above, and in addition several other Amphipods, viz : Mcera 

 levis, Pontogeneia inermisj PtilocJieirus pinguis, and Caprella ; also Nereis 

 and various small fishes. 



OCELLATED FLOUNDER; SUMMER FLOUNDER; (Chwnopsetta ocellaris.) 

 Several specimens taken in the seines, at Great Egg Harbor, New 

 Jersey, in April, contained large quantities of shrimp, Crangon vulgaris 

 and Mysis Americana ; one contained a full-grown Gebia affinis. 



One caught at Wood s Hole, June 6, contained twenty-six specimens 

 of Yoldia limatula; arid numerous shells of Nucula proxima, Angulus 

 tener, and Tritia trivittata; and Amphipod Crustacea belonging to the 

 genus Ampelisca. 



