127 Bulletin 13 15 



Bellerophon subovatus, n. s. PI. 15, figs. 19, 20, 21 



Sub-lenticular, dorsum varying from carinate to rounded 

 according to the age of the shell; greatest width close to the um- 

 bilicus; vertical diameter of the largest specimen 9 muL, of the 

 smallest 4 mm. Umbilicus small, sharply rounded on the edge; 

 transverse se(5tion of the shell subovate. 



This species bears some resemblance to B. aUcgotiais White, 

 but is clearly a distintft species. Very variable. (See under B. 

 calcifer,r\. s. ) 



Locality. — Found in No. V 2 of the Ft. Hunter .se(5lion. 

 STRAPAROLLCS Montfort 



Straparollus parva, n. s. PI. 15, figs. 10, n 



Shell small; whorls two and one-half, the upper being very 

 small in proportion to the lower. Height 4 mm. A single speci- 

 men was found. This species resembles S. hippolytc Billings, 

 from the Guelph stage, but is smaller with the lower whorl much 

 larger in proportion to the size of the shell. 



Locality. — Found in No. V 2 in the Ft. Hunter .se(5lion. 



Trilobita 



HARRISIA-New Genus 



Genal angles produced into spines, free cheeks united in 

 front. Facial suture extending forward from the posterior margin 

 of the cephalon along the eye lobes and uniting in front. Eyes 

 oblong, minute. 



Harrisia parabola, n. s. Pi. 16, fig.s. i, 2, 3 



Cephalon small, narrow, parabolic, sloping sharply at the 

 .side. Length, width and depth as 3)^:7:4. Genal angles pro- 

 duced into spines. The margin turns up in front and presents 

 the appearance of a truncation in front of the glabella. 



Facial sutures extend forward from the posterior part of the 

 cephalon within the genal angles, passing inward to the margin 

 of the eye, than forward, almcst to the margin of the cephalon, 

 where they turn sharply and unite in front of the glabella. 



