INDEX 



Acrocephalites — Continued. page 



haynesi, new species, described 1 79 



figured pi. 24, figs. 4, 4a-b 230 



compared with Acrocephalites ? glomeratus 179 



Acrocephalites insignis 179 



Acrocephalites multisegmentus i77 



Acrocephalites stenometopus and A. tutus 176 



discussed I74» I75 



formation and locality I79 



type specimen in Museum of Comparative Zoology, Cam- 

 bridge, Mass 179. 230 



insignis, new species, described 1 79 



figured pi.. 25, figs, i, la-b 232 



compared with Acrocephalites amcricanus I77 



Acrocephalites haynesi i79 



Acrocephalites multisegmentus 180 



Acrocephalites stenometopus 176 



formation and locality 180 



segments 1 77 



stratigraphic range I75 



? majus, new species, described 180 



figured pi. 26, fig. 1 234 



compared with Acrocephalites ? glomeratus I79 



Acrocephalites multisegmentus 180 



Ptychoparia, Acrocephalites tutus, and A. americanus. . 180 



doubtfully referred 176 



formation and locality 180 



stratigraphic range 1 75 



multisegmentus, new species, described 180 



figured pi. 24, figs. 5, 5a 230 



compared with Acrocephalites amcricanus, A. insignis, and 



A. ? majus 180 



Acrocephalites haynesi I77 



formation and locality 180 



segments 177 



stratigraphic range 1/5 



stenometopus (Angelin), described 181 



figured pi. 24, figs, i, la-b 230 



compared with Acrocephalites ? aster 178, 181 



Acrocephalites haynesi, A. insignis, and A. tutus 176 



discussed I75 



formation and locality 181 



synonymy i8i 



tutus, new species, described 181 



figured pi. 24, figs. 6, 6a 230 



compared with Acrocephalites americanus 181 



Acrocephalites aoris 178 



Acrocephalites haynesi and A. stenometopus 176 



Acrocephalites ? majus 180 



formation and locahty 181 



stratigraphic range I75 



