from the Vcncouver District. ■ -9 



43. tDnphnella effusa. 



ID. testa gracillim!'., maxime efFiisa, rufo fusca ; nnfr. ansn^iti?, olon- 

 gatis, suturis impressis ; striis spiraUl)iis crebris a lineis iiuTe- 

 menti decussatis ornata ; labro tenuiore, postice vix siuuato. 

 Long. 'G;), long. spir. •13, lat. •2_', div. 30°. 



Hab. Necah Bay; one broken specimen [Swan). 



44;. Odostomia satura. 



O. testa magna, alba, laevi, solidiore, satis elevata; anfr. nucl. ii., 

 aiigustis, subplanorboideis, valde decliviter sitis, dextrorsuin itn- 

 mersis, sinistrorsum extantibus ; norm, v., tuniidioribns, legula- 

 riter convexis, suturis impressis ; basi rotnndata, tumente, quasi 

 umbilicata ; apertura ovata ; laljro vix sinuato ; labio tenui, ap- 

 presso ; plica columellari valida, subantica, parieti baud contigua, 

 transversa. Long. "26, long. spir. •14, lat. '13, div. 40°. 



Hab. Neeah Bay; rare [Swan). 



Var. pupiformis : anfr. primis valde depressis, planatis ; vertice 

 maniillato ; anfr. ult. normali. Specimen unicum, quasi monstru- 

 osum. Long. 'lO, long. spir. •!, lat. •12, div. 4.")°. 



445. Oduslomia (?var.) Gouldii. 



O. testa solida, alba, ovoidea, marginil)as sj)irae valde excurvatis ; 

 vert. nucl. decliviter immersn ; anfr. norm, v., subplanatis, sutniis 

 valde impressis ; peripberia baud angnlata ; basi excnrvata, band 

 tumida ; apertura ovata, postice paruni constricta ; labro solido ; 

 labio cons[)icuo, rimam umbilicalem formante ; plica submediana, 

 solida, extaute, baud declivi. Long. '23, long. spir. ■13, lat. •!, 

 div. 30°. 



Hab. Neeah Bay; very rare (Siran). 



Agrees in some respects better with the diagnosis of O. gra- 

 vida, Gould, than do Col. Jevvett's shells, from which it is pre- 

 sumed the species was described. These large forms appear 

 very vai'iable. 



45. Odostomia nnciformis. 



O. testa magna, compacta, Isevi, solida, alba ; anfr. nucl. ? . . . (erosis), 

 vertice subniamillato ; anfr. norm, v., snlijibuiatis, subelongatis ; 

 spira brevi, marginibus valde excnrvatis ; basi eloiigata, baud um- 

 bilicata ; apertura sul)ovali, postice angusta ; labro solido ; labio 

 tenui ; plica autica, solida, obtusa, transversa, parietem baud attin- 

 gente. Long. "3, long. spir. "14, lat. '18, div. 70°. 



Hab. Neeah Bay; extremely rare [Swan). 



45 b. Odostomia (? var.) aveUana. 



O. testa O. nvci/ormi indole simili, sed sf)ira valde prolongata. 

 Long. -32, long. spir. -U). lat. •IG, div. .50°. 

 Hab. Necah Bay ; one specimen [Siran). t 



Like a gigantic form of O. cuiwidalis, 



243 



