50 Mam. 
XVIII. Mammalia. 
[1907] 
Mammals of Mayfield’s Cave, Indiana ; 
Banta, 51. 
Mechanical adaptations ; Lydekker, 
462. 
Alte Wildbalmen ; Seehusen, 756. 
■j* Transformations and migrations; 
Dep^ret, 1 84. 
Habits ; life-histories. 
Habits, E. African Mammals ; 
Vosseler, 850. 
Lebensweise der Wale ; Guldberg, 302. 
Habits, Caucasian Mammals ; Satunin, 
705. 
Of Species. 
“Calling” of Elk; Lydekker, 479; 
Radclyffe, 642. 
Habits, Bongo Antelope ; “ C. H. S.,” 
150. 
Habits, Bats; Coward, 167; Cum- 
mings, 172 ; Whitaker, 868. 
Habits, American Short tailed Shrew- 
Mouse; Shull, 745. 
Habits, Platypus ; le Souef, 420. 
Habits, Antarctic Cetaceans and 
Seals ; Wilson, 872. 
Habits, Enhydra marina ; Lech, 413. 
Habits, Tiger and Leopard ; Burton, 
123. 
Bats feeding on small birds ; Prim- 
rose, 640. 
Habits, Lemmas lemmus ; Collett, 
154. 
Habits, Sciurus vulgaris ; Collett, 
154a. 
Habits, Bison ; Ognev, 582. 
Winterschlafendes Murmeltier ; Weiu- 
land und Riehl, 867. 
Nahrung, Mammut ; Bitky, 57. 
Special Habits. 
Lutte pour l’existence entre Lievres 
et Lapins ; Kunstler, 398. 
Autotomie caudale chez Rongeurs ; 
Cuenot, 171. 
Castration des lievres par les lapins ; 
Thierry, 794. 
Sexual Relations. 
Proportions of sexes in Dogs ; 
Heape, 323. 
Sexual period in Mice, in Fox ; 
Franca, 246, 247. 
Psychology. 
Psychology, Cat ; Romer, 671. 
Psychology, White Rat ; Slonaker, 
751 ; Watson, 860. 
L’amour du jeu chez un Chien ; 
Billard, 72. 
Intelligence, Cat ; Meyer, 544. 
Hysterie bei Tieren ; Dexler, 189. 
Colour, Utility. 
Black-and-tan in Dogs ; Pocock, 623. 
Colour, Horses ; Gilbey, 282. 
Colour-striping, Giraffe; Lankester, 
407. 
Colour-pattern, Domesticated Cats ; 
Pocock, 625. 
Colour- pattern, Lion and Puma cubs; 
Pocock, 625. 
Colouring, Cereopithecus ; Dahl, 173. 
Albinism ; Fr^ddric, 251. 
Melanism, Felis serval ; Anon, 31. 
Dimorphic coloration in white-cheeked 
Gibbon; Boutan, 86. 
VARIATION AND AETIOLOGY. 
6023 
Variation. 
Variabilitat holierer Wirbeltiere ; 
Shitkow, 743. 
Variation in habit, Rabbit ; Schuster, 
727. 
Variation in skull ; Staurenghi, 773 
Malformations ; Schwalbe, 729. 
Rauminlialt und Gewicht, Waltiere ; 
Guldberg, 301. 
Abnormal hairing, Mouse ; Campbell, 
132. 
Abnormal, horns, Gazella soemmer- 
ringi ; Lydekker, 466. 
