Contents 



Page 



Introduction 1 



Gould: Early years 2 



"invertebrata of Massachusetts" 4 



Shells from Liberia and Burma 5 



The United States Exploring Expedition 5 



Charles Wilkes 6 



Sailing of the expedition 6 



Return of the expedition 8 



Joseph Pitty Couthouy 8 



The collectors and collections 10 



Disposition of the shell collection 10 



Gould selected to do the report on mollusks 11 



Summary of the types 15 



Gould: Middle years 16 



Relations with Louis Agassiz 16 



"Terrestrial Mollusca of the United States" 16 



Mexican War naturalists 16 



The North Pacific Exploring Expedition 18 



William Stimpson 18 



Stimpson's journal 19 



Gould selected to do the report on mollusks 28 



Summary of the types 29 



Gould: Later years 30 



Republication of "Invertebrata of Massachusetts" 30 



Death of Gould 30 



Disposition of the Gould shell collection 31 



Summary of Gould's types of Mollusca 32 



Collections studied for this work 32 



The species of Recent Mollusca described by Gould 34 



The Brachipoda and Tunicata described by Gould 171 



Plates following 172 



Literature cited 173 



A list of Gould's works on Recent Mollusca 176 



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