. Animal communities in temperate America : as illustrated in the Chicago region; a study in animal ecology. Animal ecology; Zoology -- Illinois Chicago. 37 Pioneer Stream Fishes Fig. 35.—Black-nosed dace {Rhinichthys atronasus) (from Forbes and Richardson). Fig. 36.—Common sucker (Catostomus commersonii); length 18 in. (from Meek and Hildebrand after Forbes and Richardson). Fig. 37.—Blunt-nosed minnow (Pimephales notatus); length 2 to 3! in. (from Forbes and Richardson). dry weather; adults of the aquatic insects creep into moist places when the stream dries. Allee (53) has found that isopods

---

. Animal communities in temperate America : as illustrated in the Chicago region; a study in animal ecology. Animal ecology; Zoology -- Illinois Chicago. 37 Pioneer Stream Fishes Fig. 35.—Black-nosed dace {Rhinichthys atronasus) (from Forbes and Richardson). Fig. 36.—Common sucker (Catostomus commersonii); length 18 in. (from Meek and Hildebrand after Forbes and Richardson). Fig. 37.—Blunt-nosed minnow (Pimephales notatus); length 2 to 3! in. (from Forbes and Richardson). dry weather; adults of the aquatic insects creep into moist places when the stream dries. Allee (53) has found that isopods are positively rheotactic and that they can be acclimated to extreme 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 Shelford, Victor E. (Victor Ernest), b. 1877; Geographic Society of Chicago. Chicago, Ill. : Published for the Geographic Society of Chicago by the University of Chicago Press

---

Size: 1998px × 1251px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectanimalecology