PROCEEDINGS OF THE NATIONAL MUSEUM. 359 



EXPLANATION OF PLATES. 



When an asterisk is attached to a figure it indicates that the species was obtained 

 in the Pacific Ocean. All those without an asterisk are Atlantic species. The figures 

 following the name indicate the longest dimension of the actual shell represented as 

 figured, in millimeters. 



Plate v. 



Fig. 1. Chrysodomus (Sipho) Rushii Dall, 11.0; p. 323. 



2. Nassa scis*u rata Dall, 12.0; p. 326. 



3. Conomiira intermedia Dall, 15.5; p. 316. 

 4.* Columbella permodesta Dall, 14.0; p. 327. 

 5. Mesorhytis eostatus Dall, 14.0 ; p. 317. 

 6.* Chrysodomus griseus Dall, 32.0; p. 322. 

 7.* Pleurotoma ? exulans Dall, 32.0; p. 302. 

 8.* Calliotecttim vernicosum Dall, 48.0; p. 304. 



9. Terebra benthalis var. nodata Dall, 18.5; p. 299. 

 10." Chrysodomus ami ant us Dall, 76.0; p. 321. 

 11. Mangilia antonia Dall, 18.0 ; p. 304. 



Plate vi. 



Fig. 1.* Leucosyrinx Goodei Dall, 80.0; p. 300. 



2.* Pleurotomella cijigulata Dall, 73.0; p. 306. 

 3.* Leucosyrinx persimilis Dall, 80.0 ; p. 301. 

 4.* Pleurotomella (Cymnobela) agonia Dall, 16.0; p. 301. 

 5.* Pleurotomella argeta Dall, 43.0 ; p. 307. 

 C. Fusus ceramidus Dall, 46.5; p. 318. 

 7!* Chrysodomus aphelus Dall, 30.0 ; p. 323. 

 * 8. Nassarina columbellata Dall, 12.2 ; p. 325. 

 9.* Bueoinum viridum Dall, 46.0; p, 320. 



Plate vii. 



Fig. 1.* Murex (Chicoreus) Leeanus Dall, 70.0; p. 329. 

 2.* Calliostoma platinum Dall, 32.0; p. 343. 

 3.* Turcicula Bairdii Dall, 50.0 ; p. 346. 

 4.* Gaza Rathbuni Dall, alt. 24.0 ; p. 342. 



5. Fusus apynotus Dall, 24.0; p. 318. 



6. Fusus alcimus Dall, 15.0; p. 319. 



7* Turcicula Macdonaldi Dall, 75.0; p. 348. 



Fig. 1.* Yerticordia perplicata Dall, 33.0 ; p. 278. 



2. Pecten glyptns Verrill, right valve, 60.0 ; p. 248. 



3. The same, interior, showing radii. 



4. Poromya cymata Dall, 9.0; p. 289. 



5. Cuspidaria monosteira Daill, 5.0; p. 281. 



6. Poromya microdonta Dall, alt. 11.5; p. 290. 

 7.* Lyonsiella radiata Dall, 13.0; p. 276. 



8.* Poromya (Dermatomya) mactroides Dall, 18.0; p. 291. 

 9." Cryptodon barbaremis Dall, 17.0; p. 261. 



