. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 282 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY Schwagerina Another Lower Permian genus which is represented by nu- merous species (10 in the midcontinent area and 9 others from trans-Pecos Texas and country farther west) is Schwagerina. Characters of the proloculus (Pig. 14) suggest division of the midcontinent forms into two sharply distinguished groups. These respectively comprise 8. campa Thompson, 8. jewetti Thompson, S. vervillei Thompson, S. emaciata (Beede), and S. complexa Thompson in one assemblage and S. longi
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 282 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY Schwagerina Another Lower Permian genus which is represented by nu- merous species (10 in the midcontinent area and 9 others from trans-Pecos Texas and country farther west) is Schwagerina. Characters of the proloculus (Pig. 14) suggest division of the midcontinent forms into two sharply distinguished groups. These respectively comprise 8. campa Thompson, 8. jewetti Thompson, S. vervillei Thompson, S. emaciata (Beede), and S. complexa Thompson in one assemblage and S. longissimoidea (Beede), S. Wall Thickness 30 Coleman Is. (Tex) 34 cotemanl. Gold busk Is. (Tex.) Florence Is. (Kan.) S'4 compLexa Morrill Js. (Kan.) ^ vervUlec. ~j£uu*ata. Cottonwood Is. (Kan.) S'2b. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
Size: 1623px × 1540px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology
