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Natural Sciences of Philadelphia A ND S , FORMOSA AND The disc overy of the major p o rtion of the species herein defined ind ' f ustr o . a of is due to the untiring y Mr Y Hir se , Kyoto , a a w a a a an J p n , hose rese rches bid f ir to surp ss those of y previo u s n aturalist in the extent of his additions to our knowledge o f the a a m u a f a J p nese oll sc n aun . Ill u strations of the following species will accom pan y a contin ’ ti n f u a o o a now a a . this p per , in prep r tion HELICID E . n . Eu lota s ucci nc t a var . amblytropi s D iffers from su cci ncta in h avin g th e peripheral keel obsolete on a a a the l tter p rt of the l st whorl , which is q uite rounded . Pale a ar r - u r a a an d yellowish , with d k eddish chestn t pe ipher l b nd , two m a a s a v W mid so ewh t lighter reddish b nd , one bo e , the other ider , w a w and m S a a y bet een periphery u bilicus . urf ce r ther smoother a u cci cta th n in s n . l 1 2 mm . A t am . 6 . 7 5, di l 1 m mm A a . 2 . t . 6 3 , di l 1 m 1 m 2 m . A t 4 a . , di A S . F m a . d C . an or os oll N P ( No Univ . of i Mich ga n . Eu lota Sargenti ana n . S p . S a m a - a a hell n rrowly u bilic te , globose turbin te , r ther thin , slightly shining ; light yellowish brown with a n arrow red - brown m i a at and . b nd or line the periphery, reddish within the u bil cus S a d n a a w 6 m a v pire elev te , co ic , the pex cute ; horls , so ewh t con ex , a a a a at f becom slowly incre sing , the l st ngul r the periphery in ront, a h a a ing rounded on the l tter lf, r ther swollen below , but distinctly a e a m a u ba a fl tt ned round the u bilicus , especi lly j st , behind the s l A u a a m lip . perture quite oblique , irreg l rly lun te ; peristo e thin , 13 M3 6 87 4 0 N A T U R A L S O I EN C LA D ELPHIA . NEW MOLLUSCA FROM APAN THE LOO CI-IOO ISLAND S F J , , ORMOSA AND THE PHILIPPINES B Y EN A . PILS BR Y H RY . The discovery of the m ajor portion of the species herein defined i d ustr ' f n o . a of is due to the untiring y Mr Y Hir se , Kyoto , a a a r a o f an J pan , whose rese rches bid f ir to su p ss those y previo u s n aturalist in the exte nt of his additions to our knowledge of the a a m u a a J p nese oll sc n faun . Ill u strations of the following species will accompan y a contin ’ tion f r ua o a a a . this p per, now in p ep r tion E H LIC ID ZE . 11 Bu lota s ucci nc ta var . amblytropi s D iffers from su cci ncta in h avin g th e peripheral keel obsolete on a a a w u the l tter p rt of the l st horl , which is q ite rounded . Pale a ar - u a a an d yellowish , with d k reddish chestn t peripher l b nd , two m a a s a W m id so ewh t lighter reddish b nd , one bove , the other ider , a and m S a a w y between pe riphery u bilicus . urf ce r ther smoother a i n su ccincta th n . l 1 m 2 mm . A t 7 a . 6 . 53 di l 1 m m m 2 . A t . 6 a . 3 , di l 14 m 2 1 m m A t . a . , di m a A S F . C . an d or os . oll N P ( No Univ . of a Michig n . Eu lota Sargenti ana n 8? S l a r u m a - a a he l n r owly bilic te , globose turbin te , r ther thin , slightly shining ; light yellowish brown w ith a narrow red - brown m i a at and w . b nd or line the periphery, reddish ithin the u bil cus S r a n a a 6 m a pi e elev ted , co ic , the pex cute ; whorls , so ewh t convex , a a a a at becom slowly incre sing , the l st ngul r the periphery in front, a h a a ing rounded on the l tter lf, r ther swollen below , but distinctly a a m u a ba a fl ttened round the u bilic s , especi lly just behind the s l A u u a a m lip . perture q ite oblique, irreg l rly lun te ; peristo e thin , 13 1 94 O CEED IN S o r T HE A CA D EM Y O F a PR G [M rch , . u a w a a a a distinctly tho gh n rro ly exp nded , the b s l lip str ightened , reflexed a u a at u m ar r a ; r ther s ddenly dil ted the col ell inse tion , h lf r u m u c ar rc l cove ing the bilicus ; parietal call s s cely pe eptib e . A lt 22 am 28 m m . , di . d m . an r A S . a . C . Fo os oll N . P (No Univ of a Michig n . u f E su cc in cta ff r m o . This species belongs to the gro p , di e ing fro a m m and a a th t for in the ore globose conic shell , r ther cute spire, li n am f E n d ba a o . a straightened s l p. It is ed in honor Mr H . S a f u a of m u m of t of rgent , the e ficient c r tor the use the Universi y h a Mic ig n . Z O N IT ID ZE . Lam ro s i s d S an d B . var . n . v . p cy t spa i x , ci notu s - S w w a s u ra eri h eral red w a . m a hell hite, ith p p p bro n b nd For os L s a dix w r B . r m m f a . S . (J . tee e) Nu erous exa ples o the typic l p e e a t a S . lso t ken by Mr . eere Vi tri noconu s Moellendorfii n . sp . S - t w a r b ut irre u hell high conic, thin , ligh bro n ; r ther st ongly g larl r a r a a a w a r a an d y st i te , the st i e slightly rcu te , e ke bene th dis a ar n on a w l u a m a ppe i g the e rly hor s ; o tlines of the spire l ost str ight , a u 9 w r a the pex obt se . Whorls , very slo ly inc e sing , very slightly u u a am - r a w a u convex , the s t res filled by se like co d ; l st horl c tely m a . keeled , the keel co pressed , projecting ; b se slightly convex m u a 3 m a am of U bilic s cont ined § ti es in the tot l di eter the shell , w l - w a d r a an d c om el like , ith fl ttened sides, bor e ed by projecting - A u a u a u a . m a pressed cord like keel pert re oblique , s ll ; c tely ng l r at of a and m ar a w th e the position the peripher l keel , e gin te here u mbilical keel term inates ; the b asal m argin arcuate ; peristome th e u m a a and m a perceptibly thickened , o ter lip si ple , b s l colu ell r m a a a rgins little ex p nded . l ' A t . m a . 1 0 mm u m u 3 mm di . bilic s . A lt m . a . 1 0 mm u m u 3 mm di . bilic s . a a B S P n y, Philippines (J . teere th D r c a llus . This species belongs to the group of V. y e in ’ ’ y on Molle nd orfi s excellent arrangement of the genus (S em pe r s R eisen V and , III , p . to the first division of that group in ’ von Mollen dorfi s k e a mm a t m a y, which to cco od te his species y be supplem ented thus : N A U A L S CIEN CES O F I LA D EL A 1 95 T R PH PH I .
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