Brachiopods of the Southeastern Coast of the United States. By Wil- 

 liam H. Dall. Published as Bulletin No. 37 of the United States National 

 Museum. 1889. 



"Report on the Invertebrata of Massachusetts. By A. A. Gould. 

 Published by the Legislature of Massachusetts. 1841. 



"Report on the Results of Dredging by the United States Coast 

 Survey Steamer Blake. Report on the Mollusca. By William H. Dall. 

 Published in the Bulletin of the Museum of Comparative Zoology, 

 Harvard College: 



"Part I. Pelecypoda, in Vol. XII. 1886. 



"Part II. Gastropoda, in Vol. XVIII. 1889. 



' k Report upon the Invertebrate Animals of Vineyard Sound and the 

 Adjacent Waters, with an Account of the Physical Characters of the 

 Region. By A. E. Verrill. In the Annual Report of the United States 

 Commissioner of Fish and Fisheries for the Year 1871-1872, pages 

 295 to 778. 



"Two other interesting papers by the same author, one on deep 

 sea mollusks and the other on the Cephalopoda, will be found in the 

 same series of reports for 1879 and 1883. 



"A very interesting account of marine life will be found in the 

 Depths of the Sea. By C. Wyville Thompson. Published by Macmillan 

 and Company, London. 1873. 



"This volume gives an account of the deep sea dredging of the 

 British steamers i Porcupine' and 'Lightning' in the summers of 1868, 

 1869, and 1870. 



'' The following volumes give the most comprehensive account of deep 

 sea work : 



"Three Cruises of the United States Coast and Geodetic Survey 

 Steamer Blake. By Alexander Agassiz. Published by Houghton, Minim, 

 and Company, Boston. 1888. 



"A very complete account of the methods and apparatus used in 

 deep sea dredging will be found in the Report of the United States 

 Fish Commission for the Year 1883, in a paper by Commander Z. L. Tan- 

 ner, entitled 



"Report on the Construction and Outfit of the United States Fish 

 Commissioner's Steamer Albatross. 



" Books on the land and fresh-water shells of the United States 

 are out of print and hard to obtain; but the following may be con- 

 sulted in the public library or museum : 



" Land and Fresh-water Shells of North America. Parts I., II., and 

 III. on the Pulmonata, and all but one family of the water-breathers. 



149 



