A few nice animal images I found:
Animal locomotion. Plate 711
Image by Boston Public Library
BPLDC no.: 08_11_000679
Title: Animal locomotion. Plate 711
Volume: Vol. X. : Domestic Animals.
Creator: Muybridge, Eadweard, 1830-1904
Copyright Date: 1887
Extent: 1 photomechanical print : collotype
Genre: Collotypes; Motion study photographs; Book illustrations
Description: Dogs; two, racing; A, B; racing hounds. Ike, Maggie
Subject: Dogs; Running; Animal locomotion
Notes: Plate in: Animal locomotion : an electro-photographic investigation of consecutive phases of animal movements, 1872-1885 / By Eadweard Muybridge. Philadelphia : University of Pennylvania, 1887, v. 10; Plate descriptions from: Animal locomotion : an electro-photographic investigation of consecutive phases of animal movements : prospectus and catalogue of plates / by Eadweard Muybridge. Philadelphia : Printed by J.B. Lippincott Company, 1887.
BPL Department: Rare Books Department
Animal locomotion. Plate 750
Image by Boston Public Library
BPLDC no.: 08_11_000741
Title: Animal locomotion. Plate 750
Volume: Vol. XI. : Wild Animals and Birds.
Creator: Muybridge, Eadweard, 1830-1904
Copyright Date: 1887
Extent: 1 photomechanical print : collotype
Genre: Collotypes; Motion study photographs; Book illustrations
Description: Sloth; walking suspended on a horizontal pole
Subject: Sloths; Walking; Animal locomotion
Notes: Plate in: Animal locomotion : an electro-photographic investigation of consecutive phases of animal movements, 1872-1885 / By Eadweard Muybridge. Philadelphia : University of Pennylvania, 1887, v. 11; Plate descriptions from: Animal locomotion : an electro-photographic investigation of consecutive phases of animal movements : prospectus and catalogue of plates / by Eadweard Muybridge. Philadelphia : Printed by J.B. Lippincott Company, 1887.
BPL Department: Rare Books Department