ON MOLLUSCA OF THE WEST COAST OF NORTH AMERIGA. 645 
Nutt.| Jew. | B. A. | Smiths. Ins.| Ken. | Lord. Swan.| Cooper. 
152. Yoldia lanceolata ...... —|—;—)}) — a == 
153. amygdala ........ —i —}|—), — Pj}|—|— — 
154. Verticordia ornata ...... — — | — —|—|— BI 
155. Bryophila setosa........ | — | — | — H —|—/— ?C 
156. Lima orientalis ........ — |— | — — =| —— | MDI 
157. Limatula subauriculata ..) — | — | — — —|— | — DI 
158. Pecten hastatus ........ — |B] P — Papen yn: M 
159. Pra. Hindsii ...... |) 12 Pe vern Vi — 
160. var. equisuleatus ..| — | B | — || D i BD 
161. pancicostatus ...... ee) ee eS | I 
162. Pvar. latiauritus....|BD| D | C || . D — | — | = D 
1620. monotimeris ...... BD) Dalia bia = D 
163. Amusium caurinum — Cjn.| O VO Po —— ivi — 
164, Janira dentata.......... — | — |] — — — } — | — MD 
165, Hinnites giganteus...... C=) Calne PM Bag Via GaNe D 
166. Ostrea lurida .......... 3] Er, Wit Hikte NA TNE EF 
162. Voldia lanceolata, J. Shy. Hanl.= arctica, Brod. & Shy. (Not Adrana 1., Lam. 
G.Sby.) With ant. diagonal lines. 
153. Yoldia amygdala, var. teste Hanl. Like lanceolata, without posterior wing, 
and anterior sculpture. 
Family ? Tregoniade. 
154. Verticordia ornata, D’Orb.=novemcostata, Ad. & Rve. Samarang. Exactly 
accords with Chinese types. S.A. 20-40 fm. Cp. 
Family Aveulde. 
155. Bryophila setosa, n. g.,n. 8., Ann. N. H. 1864, p.10, Like minute, broad Pinna. 
Animal oyoyiviparous. Sta Barbara, 20 fm. Cp. 
Family Pectinide. 
156. Lima orientalis, Ad. & Rve., Samarang, in Mus. Cum.= dehiscens, Conr. fossil, 
teste Cp. Very close to young of LZ. hians, var. tenera. Beach to 20 fm. c. Cp. 
157. Limatula subauriculata, Mont. Fhs. & Han]. Cirecumboreal. Fossil in Crag. 
Islands, 40-120 fm. not r.; 8. Diego, 1 valve, 4 fm. Cp. 
158. Pecten hastatus, Sby.=hericeus,Gld. Elongated ; afew principal ribs serrated ; 
ears unequal. In var. rubedus, Hds. (non Mart.), the ribs are equal, not 
serrated. 
159. Pecten (? var.) Hindsii. Broader; ribs close, small, smooth, bifurcating. 
Passes from hastatus towards Islandicus. 
160. Pecten equisulcatus,?n.s. Thinner and flatter than ventricosus, with narrower 
ribs. 
161. Pecten paucicostatus, ?n.s. Somewhat resembling very young caurinus; but 
ribs fewer, stronger. 
162. Pecten latiawritus, Cony. (pars). Ribs sharply defined, with sharp concentric 
lamin. Possibly an extreme form of 
162. Pecten monotimeris, Cony. = tunica, Phil.+latiauritus, Cony. pars. Passes into 
Amusium. Very slanting, thin, with faint ribs. 
163, Amusium caurinum, Gld. E.E. Large, flat, thin, very inequivalve. Var.= 
Yessoensis, Jay. Japan. 
164, Janira dentata, Shy.=excavata, Val. Ven. Like media, From the Gulf fauna. 
Beach-20 fm. Cp. 
Family Spordylide. 
165. Hinnites giganteus, Gray, Analyst.= Poulsoni, Conr. Very large, Spondyloid : 
ligament as in Pedwm, strongly adherent along the ears. 
Family Ostreide. 
166. Ostrea lurida, n.8. Shape of edulis: texture dull, lurid, olivaceous, with purple 
stains. 2-3 fm. on mud flats, Lord. 
