. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 152 Bulletin Museum of Comparative Zoology, Vol. 136, No. 7 aI^ ;j\n ..V\.^ .1 â â ;⢠^ ' / 1 I- I ⢠â : â -. O TRIDENTATA (§) C, COMPLANATA O C. PLATYSAYOIDES BURCHI Figure 3. Distribution of Triodopsis Iridentata, complanata, and burchl and the geographic variation of the character index in Iridentata. One record of tridcntala from Illinois and another from Iowa hove been omitted. Thick, dashed line surrounds the range of c. complanata, c. p/ofysoyoides, and burchi. B, type locality of burchi; C, c. comp/onto; P,


. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 152 Bulletin Museum of Comparative Zoology, Vol. 136, No. 7 aI^ ;j\n ..V\.^ .1 â â ;⢠^ ' / 1 I- I ⢠â : â -. O TRIDENTATA (§) C, COMPLANATA O C. PLATYSAYOIDES BURCHI Figure 3. Distribution of Triodopsis Iridentata, complanata, and burchl and the geographic variation of the character index in Iridentata. One record of tridcntala from Illinois and another from Iowa hove been omitted. Thick, dashed line surrounds the range of c. complanata, c. p/ofysoyoides, and burchi. B, type locality of burchi; C, c. comp/onto; P, c. p/ofysoyo/des; T, fennesseens/s, considered synonymous with c. complanata; TR, Iridentata. Numbers without a circle ore mean values of samples in character index; they range from 15 in the north to 80 in the south. Numbers encircled refer to forest types; one, northern hardwood forest; two, beech-maple; three, oak chestnut; four, mixed mesophytic; five, western mesophytic; six, oak-pine; seven, southeastern evergreen; eight, oak-hickory forest; nine, prairie or grassland; ten, mopie-basswood forest (terminology after Braun, 1950). Elevation; 500-foot contour line; * â ⢠â ⢠1500 foot; '. '. '. '. '. ofco ovc 3000 feet. Thin dashed lines mark state 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


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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology