PREFACE. Vll 



The principal contributors to our knowledge of the New 

 Zealand Mollmca are the following : 



Sir JOSEPH BANKS and Dr. SOLANDER, on the first voyage 

 of Captain James Cook, 1769-70, collected hi the Bay of Islands 

 and Queen Charlotte Sound. 



Dr. REINHOLD and GEORGE FORSTER, on Cook's second 

 voyage, 1773-74, visited Dusky Bay and Queen Charlotte Sound. 



On Cook's third voyage there was only a short stay of 

 thirteen days' duration in Queen Charlotte Sound. 



The shells collected during these voyages, numbering about 

 forty species from New Zealand, were enumerated, and some 

 of them described and figured by VON ZORN in the German 

 periodical " Neue Sammlung von Versuchen und Abhandlungen 

 der Naturforschenden Gesellschaft in Danzig," 1778 ; by J. H. 

 CHEMNITZ in the journal ' Der Naturforscher," 1783, and 

 afterwards in different parts of his ''' Conchylien Cabinet," 

 especially vol. v (1781), vol. x (1788), and vol. xi (1799) ; by 

 Dr. SOLANDER himself in the " Catalogue of the Portland 

 Museum," 1786 ; by THOMAS MARTYN in the ' Universal Con- 

 chologist," 1784; and by PERRY, " Conchology," 1811. A 

 critical review of the species described by the said authors, 

 and referable to Cook's voyages, has been published by Dr. 

 E. VON MARTENS in the German malacological journal, " Malako- 

 zoologische Blatter," vol. xix, 1872. 



R. P. LESSON accompanied Duperry on the ship ''' Coquille " 

 on the voyage round the world, 1822-25, and collected molluscs 

 at the Bay of Islands in April, 1824. A number of species 

 were described in the " Voyage autour du Monde sur la ' Coquille,' 

 Zoologie," 2 vols., published from 1826 to 1832. 



The most valuable contributions to New Zealand conchology 

 in the early days were made by QUOY and GAIMARD, naturalists 

 of Dumont d'Urville's " Voyage autour du Monde de ' 1'Astrolabe,' 

 1826-29, Zoologie," vol. ii, 1832-33 ; vol. iii, 1834-35 ; with 

 atlas in folio containing beautiful illustrations. They collected 

 molluscs in Queen Charlotte Sound, at the Thames, and some 

 outlying islands. 



The Rev. W. YATE sent a collection of shells from the east 

 coast of New Zealand to the British Museum in 1835, and the 

 twenty-nine species were catalogued by Dr. J. E. GRAY in an 



