Series Paehyspermse 



PAGE, 

 . l67 



Series Coehleatee . . • • .168 



Series Neuroptera . • • .169 



Series Muricatae I 7° 



Series Pyramidales— D-shaped. 



a. Large, elongated-pyramidal , . 172 



b. Moderately large, triangular to compressed D-shaped 173 



c. Large and thick ...•••••'•• I74 



d. Medium, fertile seeds, dark brown to jet black . . 175 



e. Medium, fertile seeds, light to dark brown . . .179 



f. Medium, with scarcely prominent ridges . . .183 



g. Small . l83 



h. Somewhat elongated to obliquely pyramidal . . 187 



Explanation of Plates (260-263) . . • • • T 9 



