ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 651 
Nutt.) Jew. | B. A. ||Smiths. Ins.| Ken. Lord. Swan, Cooper. 
251. Lepeta ceecoides ........ = | i — = — 
252. Gadinia (Rowellia) ....| — | — | — iE —|—)|— I 
253. Fissurella volcano ...... M;} BB} C I — | —|PV DI 
254, Glyphis aspera.......... — | — |} 0C Ae; = ieWr yt WV — 
255, densiclathrata ....)/?B| B} OC |} — —}—/}— M 
256. Lucapina crenulata...... D|—} O}- .C —|—|— D 
257. Puncturella cucullata....)— |—| P || — P|—|V M 
258. —— galeata............ at aa ee ce P|—!|V — 
259. Cooperl -Alji- oe. : —/}—|— — —;);—-—|— I 
260. Haliotis Cracherodii ....| D | C | © | FDIL | — | — |} — MI 
261 splendens.......... D;|C;}Ci} DIL |—|—|]—]| MDI 
262, —— corrugata.......... —j|—|C D —|}|—|/— I 
263. WULCHEONS os oes ales’: —|C|C D —|—};— M 
264, Kamtschatkana ....| — | — | C FI —;—|V DI 
265. Phasianella compta...... —|BD/ C D —|—}|—y| MDI 
266. Pomaulax undosus ...... M;C;C L —/}—|— DI 
267. Pachypoma gibberosum. .| — | — | — M —|—|V MB 
251. 
252, 
265. 
266. 
267. 
Lepeta_cecoides, ?n.s, Like ceca, but apex turned back. Farallone Is., ° 
teste R. D. Darbishire. 
Family Gadiniade. 
Rowellia, sp. Genus proposed by Cooper : tentacles flattened, pectinated. Cat. 
Is. Cp. Far. Is. Row. 
Family Fisswrellide. 
. Fissurella volcano, Rve.=ornata, Nutt. Approaches Peruviana: hole variable. 
. Glyphis aspera, Esch.=Lincolni, Gray=cratitia, Gld. Large, coarsely sculp- 
tured, with colour-rays. 
. Glyphis densiclathrata, Rve. Smaller: with closer, finer sculpture, 
. Lucapina crenulata, Shy. Tank. Very large : internal. 
. Puncturella cucullata, Gld. E.E. Large, with strong, variable ribs, 15-40. 
Hole simple. 
. Puncturella galeata, Gld. E.E. Scarcely differs from noachina, but tripartite 
process more strongly marked. 
. Puncturella Cooperi, n.s. Outside like galeata, but without props to the 
lamina. 30-120 fm, not r. Cp. 
Family Haliotide. 
. Halotis Cracherodii, Leach, auct. The trade species, smooth, dark olive: holes 
5-9. Var. Californiensis, holes 9, 10,11. 
. Haliotis splendens, Rve. Flatter, grooved, lustrous. Holes 4-7. Below tide: 
on rocks, Cp 
. Halhitis corrugata, Gray. Large, arched, very rough. Holes 3-5. Below 
tide: on rocks, Cp. 
. Haliotis rufescens, Swains. Large, flatter, waved, rich orange-red. Holes 
3-5. Below tide: on rocks, Cp. 
» Hahiotis Kamtschatkana, Jonas. Small, thin, arched, waved. Holes 4, 5. 
Below tide: on rocks, Far. Is. Cp. 
Family Trochide. 
Phasianella compta, Gld. Otia. Maz. Cat. no. 284. Like pullus, a little longer 
and flatter; but operc. bevelled and striated. ? Var. pulloides, exactly like 
Herm shells: ? var. eatior, dwarfed, longer and flatter : var. punctulata, with 
close rows of dots; pillar chinked. 8-20 fm. Cp. 
Pomaulax undosus, Wood. Very large: operculum with 2 ridges. 
Pachypoma gibberosum, Chem. ?=inequale; Mart. Large, rough: operc. 
swollen, simple. (Dead.) 
