from the Vancouver District. 9 



43. tDaphnella effusa. 



?D. testa gracillima, maxime effusa, rufo-fusca ; anfr. angustis, elon- 

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

 ment! 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, alba, laevi, solidiore, satis elevata ; anfr. nucl. ii., 

 aiigustis, subplanorboideis, valde decliviter sitis, dextrorsum im- 

 rnersis, sinistrorsum extantibus; norm, v., turnidioribus, regula- 

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

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

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

 transversa. Long. -26, long. spir. '14, lat. '13, div. 40. 

 Hab. Neeah Bay; rare (Swan). 



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

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

 osum. Long. '19, long. spir. !, lat. *12, div. 45. 



44 b. Odostomia (?var.) Gouldii. 



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

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

 valde impressis ; peripheria baud angulata ; basi excurvata, baud 

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

 labio conspicuo, rimam umbilicalem for m ante ; plica submediaria, 

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

 div. 30. 



Hab. Neeah Bay; very rare (Swan). 



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

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

 sumed the species was described. These large forms appear 

 very variable. 



45. Odostomia nuciformis. . 



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

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

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

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

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

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

 Hab. Neeah Bay; extremely rare (Swan). 



45 b. Odostomia (? var.) avellana. 



0. testa O. nuciformi 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 O. conoidalis. 



243 



