CAI.l,-->il-.AV TOSSll. I.lMN.im IROM I'OS I -I'l.l.K )tl.NK OV ( A 1,1 1( )RM A. Ij 



<<'('rl:iiiJ d('t:ii!> in t!ic ;m:it<tmy oi' tlic li-cmis. ( )l»s('r\;ili<>iis 

 were made t<» (IctcM'iiiiiic wh'thci' \\)v\{- wci-c ;niv fact- in llir- 

 ■I'xtcnial auatoHJV that roiiJiJ Uv iilili/cd in tiic (Jctc^nniualion 

 «()f .sex. Tiii-^ (jijfstion was answcrcti in t!ic afHi-niativc 'I'ho 

 ;i»T()ss auatoiiiv (if I'lc r('|(r(t!!!i''li\ c origans was then discussed 

 m\d iliiislratioiis of tk;- \arious parts wen- exiiihited. \otes 

 •<)U feeiiiidity wcic also sulunittcnl. Tlic entire paper was 

 pul)lished in tke Aiinu-jcdi) Xalural^sf. \.<)].XXI.l. pj). 4i)l- 

 f!)7, in dijjH". JSSS. 



ON A NEW FOSSIL LIMN^ID FROM THE 

 POST-PLEIOCENE OF CALIFORNIA. 



)V\ VROV. \<. F.lJ,SWORI>J <\l,l.. 



This pa[)er descrilted as new to science, a fossil sliell for.nd 

 111 the post-i))cioc(Mie deposits of the Tassajara Hills, and now 

 deposited in the coDectious of the University (tf California. 

 It l)elonirs t<» t'.iat suh-iiroup of linunvifl mollnsks whieli is typ- 

 ified hy the <reiiiis Poniplitihj.r, hut ditf'ers thcrefrcun in soni(< 

 important particulars. It is made the type of a new yenus 

 jind species, lieini^- desciiln'd under the name of Po7)ipho/opsi\'< 

 V'hifci. 'i'lie pajx-r ma}' he found in full in 7 hr- Ajnovicou 

 GeoJoijJst, for .March. JNS.s. \',,J. J. .NO. ;;. 



NOTES ON SOME SHELLS, FERNS, ETC., 



Collected in Decatur County, Iowa, and Lyon County, 

 Kansas, in the Summer of 1886. 



I!V I'KOK. K. M. Wn li.K. 

 Ahstr.ut. 



(irand h'ixci'. Lonii' Creek and the Little i;i\er> \ielded 

 almost no water inollusk>. 



