from the Vcncouver District, 9 



43. "iDaphnella effusa, 



ID. testa g;racillima, maxime effasa, rufo-fusca ; anfr. angustis, elon- 

 gatis, suturis impressis ; striis spiralibus crebris a lineis incre- 

 menti decussatis ornata ; labro tenuiore, postice vix sinuato. 

 Long. -65, long. spir. -45, lat. -22, div. 30°. 

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



44. Odostomia satura. 



O. testa magna, alha, Isevi, solidiore, satis elevata ; anfr. nucl. ii., 

 ■siigustis, subplaiiorboideis, valde decliviter sitis, dextrorsum im- 

 mersis, sinistrorsum extantibus; norm., v., tumidioribus, regula- 

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

 umbilicata ; apertura ovata ; labro vix sinuato ; labio teimi, ap- 

 presso ; plica columellari valida, subantica, parieti haud contiguaj 

 transversa. Long. -26, long. spir. "14, lat. 'IS, div. 40°- 

 Hab. Neeat Bay ; rare [Swan). 



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

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

 osum. Long. 'IQ, long. spir. "1, lat. '12, div. 45°. 



44 i. Odostomia (?var.) Gouldii. 



O. testa solida, alba, ovoidea, marginibus spirse valde excurvatis ; 

 vert. nucl. decliviter immerso ; anfr. norm, v., subplanatis, suturis 

 valde impressis ; peripheria haud angulata ; basi excurvata, haud 

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

 laliio conspicuo, rimam umbilicalem form ante ; plica submedlana, 

 solida, extante, haud declivi. Long. '23, long. spir. -13, lat. •!, 

 div. 30°. 



Hab. Neeah Bay; very rare {Swan). 



Agrees in some respects better vpith the diagnosis of 0. gra- 

 vida, Gould, than do Col. Jewett's shells, from vi'hich it is pre- 

 sumed the species was described. These large forms appear 

 very variable. 



45. Odostomia nuciformis. 



0. testa magna, compacta, Irevi, solida, alba ; anfr. nucl. ? . . . (erosis), 

 vertice submamiliato ; anfr. norm, v., subplanatis, subelongatis ; 

 spira brevi, marginibus valde excurvatis ; basi elongata, haud um- 

 bilicata ; apertura subovali, postice aiigusta ; labro solido ; labio 

 tenui ; plica antica, solida, obtusa, transversa, parietera haud attin- 

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

 Hab. Neeah Bay; extremely rare [Swan). 



45 b. Odostomia (? var.) avellana. 



O. testa 0. nueiformi indole simili, sed spira valde prolongata. 

 Long. -32, long. spir. -16, lat. -16, div. 50°- 

 Hab. Neeah Bay ; one specimen (Swan). 

 Like a gigantic form of 0. conoidalis. 



243 



