160 



Bryozoans of the 



mm. j of summit of laminae .10; cell-apertures of branch minnte ob- 

 lique or opening directly outward,, margins equally elevated, constrict- 

 ing the aperture ; cells of laminae very oblique, irregularly disposed. 



Locality — Falls of the Ohio river. 



SCALARIPORA SUBCONCAVA, n. sp. 



Branches infrequent; two of the sides have each a width of 2 mm., 

 the third 1.50 mm.; transverse laminae, .48 mm. high ; distant, 1.33 

 mm. ; non-celluliferous marginal space very narrow ; cell-apertures, 

 ol5 mm. in diameter, irregular in their disposal and mode of opening, 

 those on transverse laminae very oblique. 



Locality — Falls of the Ohio river. 



GLAUCONOME, Goldf. 

 Glaucoj^^ome nodata, n. sp. 

 Primary branches, .65 mm. in width : transverse section broadly 

 ovate; non-celluliferous side gently rounded and finely striated; 

 space between lateral branches equal to the width of a branch ; six 

 branches in the space of five mm.; cell-apertures circular, opening 

 almost directly outward, laterally arranged in two rows, one on each 

 side of the branch ; space between ranges of apertures strongly ele- 

 vated and with prominent nodes ; cells of secondary branches slightly 

 smaller and more closely arranged than those of the prmiary. 



Locality — Near Buffalo, IST. Y. 



Glauco^s-ome sij^uosa, n. sp. 

 Transverse section of a branch broadly subcuneiform, width of 

 primary branches .90 mm., of secondary branches „50 mm., space be- 

 tween secondary branches equal to the width of a branch; non-cellu- 

 liferous side unknown ; cell-apertures circular, ui two ranges, usually 

 opening laterally at an angle of forty- five degrees, margins of aper- 

 tures very prominent; branches carinated, carina thin and very sin- 

 uous. 



Locality— l^Qnx Buffalo, N. Y. 



Glaucokome tekuistriata, n. sp. 

 Xon-celluliferous side of branches gently rounded, finely striated ; 

 width of primary branches GO mm., of secondary .33 mm., space be- 

 tween lateral branches .66 mm.; three cell-apertures in the space of 

 five mm. 



Locality. Near Buffalo, N. Y, 



