- ^06 - 



:.=;i' , r "..- .: ?-_.':i' '" ,ola£;e of t" . ^ne 



o" 'ents ■ roxima.tel"'? 



s* ^n -\ 



'- 'jiiL. J. j.ic ; „ - . , . ; ., ~r . ; sernx- 



diam. , 31 mm. 'Phe fi ' - ^ . . . ' -i%i 



uS'j.L.'-'" -r a lei'B nrA on tl .•orti'^ns 



ings ai-'e .te.l lines rather than ctriae, except on the 



hlinviel^ arahcw .a-iid ;j.u i-ijcrvaia ^re a:i^raented so c.a to iTom 



undiilations , vhieh oecaeionally e'ctend almost s the rih ; 

 the enr' 3 of these ^iiidvl aticns forn the riO'''Ti"'e ' , ^ '^h on this 



portion .f '" -1 ^ -o 'junti ■ ' ' ..If 



the surface is eroded, the ri- . - " hes-'rinj?; 



flat, iailDrica: -alec, '.'h-i^h c. - transform-^, 

 od into narrow, ' . _ -'.ilea. "ar^-e iiidividuals the 

 interspaces are erahly v/ider ventrallj'. 



J, vanf^hani is the form which i": re . .. fragment 



in t'ae i-ational i.lnse-j£i collection- -'-11 (1) referred 



(1). Trans. V/a&ner 'i?ree Inst. Sci., P'-'ila.del-ohia, vol. ?, "ot. 5, 

 108?^, 1900; pt. 6, pi 1587, 1903 ( check list ] . 



).s "near ma mio renin Lanar-"''. It i : ' oterized hy the lar'^'e si 



