192 BIBLIOGRAPHY. 



the results of the expedition in the vast number of new species 

 discovered, and the careful and accurate way in which the 

 dredgings are labelled and classified, constitutes an era in the 

 science. 



The SoLENOCONCHiA which comprises the genera Dentalium, 

 Siphodentaliuni and Cadiilus, is represented by 36 species, most 

 of them new to science. Eighteen species of Dentalitim are 

 enumerated as having been found, of which 12 are named and 

 described as new andavar. of D. capillosum — paucicostatuvi W. — 

 is mentioned. The new species are D. oegeuvi Watson, Kergue- 

 len Island, no f, in mud; D. aviphialtim W., off mouth of 

 La Plata at 1900 f, grey mud; D. ceras W., Mid Pacific, E. of 

 Japan, 2500 f, grey ooze; D. diarrJiox W., N.E. from New 

 Zealand, 700 f, grey ooze; D. en talis v. otihrum 'W., Setubal, 

 470 f., globigerina ooze: Fayal Azores, 450 f, sand: Prince 

 Edward Island, 150 f ; D. leptosceles W., S. of Australia, 2600 f , 

 red clay; D. circnmcinctum W., Setubal, 470 f., globigerina ooze: 

 Sombrero Island, St. Thomas, W.I., 450 f., globigerina ooze: 

 Pernambuco, 350 f., mud; D. acutissinntm W., N. of Papua, 

 1070 f . : Mid Pacific, E. of Japan, 2050 f, grey ooze; D. 

 coinpressiim W., N. of Culebra Island, St. Thomas, W.I., 390 f , 

 mud; D. didyinuiii W., N. of Culebra Island, St. Thomas, W.I., 

 390 f, mud; D. Yokohamense W., Yokohama, 8 — 14 f., mud; 

 D. toniatum W., Levuka, Fiji, 12 f. 



In SiPHODENTALiUM 7 species are noticed all new to science. 

 — S. platainodes W., St. Thomas, 390 £, mud; S. iythuvi W., 

 St. Thomas, 390 f, mud; S. piisilhtvi W., Palma, Canaries, 

 1 1 25 f, volcanic sand; S. teti oschistuvi W., Fernando, Noronha, 

 725 f; S. dichehtm W. , Levuka, Fiji, 12 f ; S. pnoiiotu?n W., 

 Raine Island, C. York, 155 f, sand; S. ebofacejiseW., Torres St., 

 C. York, 3 — II f. 



J.C, iii., April, 1881 



