S. I. Smith — Crustaceans of the Atlantic Coast. 31 



As in 1873, the steamer Bache continued the dredgings in the Gulf 

 of Maine. Professor Packard, assisted by Mi-. Cooke and Mr. Robert 

 Rathbun, had charge of the work and made large collections between 

 Cape Ann and the Isles of Shoals, on Jeifrey's Ledge, on Cashe's 

 Ledge, and at numerous localities in the deep waters of the Gulf of 

 Maine. 



1875. The work under the direction of the Commissioner of Plsh- 

 eries was in the same region as in 1871, but the dredgings extended 

 further to the eastward and included the region east of Nantucket. 



In addition to this. Professor Verrill and Mr. C. Hart Merriam, 

 during a short excursion to Barnstable, on the north side of Cape 

 Cod, made collections of many of the species inhabiting the shores 

 and shallow waters of the southern part of Cape Cod Bay. 



1876. Mr. C. Hart Merriam and Mr. E. B. Wilson made some col- 

 lections at Eastport, Maine, in April, and very kindly submitted the 

 crustaceans to me. The collection was particularly interesting on 

 account of the season at which it was made, all the other collections 

 which I have examined from the same region having been made late 

 iu the summer or early in the autumn. 



1877. The extensive collecting prosecuted under the direction of 

 the Commissioner of Fisheries was resumed, the collections of the 

 invertebrates being, as before, in charge of Professor Verrill, who 

 was this year assisted by Mr. E. B. Wilson. Extensive collections 

 were made at Salem, Massachusetts, and in the neighborino- waters 

 of Massachusetts Bay and the Gulf of Maine. During a part of the 

 season the work was transferred to Halifax, Nova Scotia, where large 

 collections were made and whence the dredging was extended to the 

 deep waters one hundred and twenty miles south of that city. On 

 the passage from Salem to Halifax, dredgings were made in the deep 

 waters of the Gulf of Maine and oif the southern portion of the 

 Nova Scotia coast. 



1878. The work in connection with the investigation of the fish- 

 eries was continued in the vicinity of Cape Ann, the field investio-ated 

 being contiguous to, and partially overlapping, that in the vicinity of 

 Salem in 1877. In addition to the material obtained upon the shores 

 and by dredging, valuable collections were procured, at Gloucester 

 Massachusetts, the head-quarters of the Commission for the season 

 from vessels engaged in the bank-fisheries. Professor Verrill was 

 specially assisted by Mr. Richard Rathbun and Mr. Sanderson Smith. 

 The collections of this year came to hand too late to be used to any 

 considerable extent in the present paper, and consequently only occa- 

 sional references are made to them. 



