- 409 - 



Subgenus Pragum Bolt en. 

 Section 7ra.';:'rLr.i i-.~. ;j. 



3ARDIUI»I (?x\-vrM,J ±^1.. Linnaeus. 



Qaraiiim ' men iirm Tinnaeiis, IV^"^, 3vst. Rat., e-''. 10, >-). S78. 

 Oardii:i-iii ijiecimn lixiaLieuii, -.eeve, lo-'i, joix-'r;. , Ico^:., vol. £, 



Oardi-um, pi. 6, fig. 50. 

 Oardiuin Yennstiim Dimlrer, 1861, !:ol. "BlSt., •'^ol. 6, p. 77. 

 Oar d i imi ru e ''"^ i u m linnaeua, 1869. ^ .001:1:^ :-. -.ab., reixe ^utig'., 



p. 10?,, nl. 4, fig-s. 5-7. 

 Oardi':''in ( ?ra,^-im ) mediiun linnaeus, Cabb, 1881, Jour. Acad. I.'at. 



Joi., Philadelphia, End ser., - '. , . "'""k, 1881. 

 Zemi 2 ai'dinm c liimb : 'Iprin, 188Si, Tra;is. w'agner Free Inst. \] 



Sci., Philadelphia, vol. 1, -0. 9^, pi. 11, fig. 26. 

 Jardinja ( graguin ) spi indet., Jail, 19l'U, x'rans. -agner Tree Inst. 



Sci., Philadelphia, vol. 5, pt. 5, p. 1101. 

 Cardixnn ( Prsg-gm ) medium linnaeus, Dall, 1900, idem, pp. llCl-1102, 

 Oardium ( Pragujn ) medium linriaeus, Glenn, ', "' ;;land Oeol. 



Survey, 1-iOG. vol., p. 522, pi. 86, fig:-. Ga,,b. 



Deocription .- The 3ov/den specimens are of medium size and 

 thioloiess, outline roughly subquadrate; anterior margin rounding 

 broadly into the base; posterior margin flexed outv/ard above. 



