REFERENCES 33 



Long and Evans, '22. Pearson, '10. Sobotta and Burckhard, '10. Watson, 

 '06 a. Zuntz, '19. 



Mortality at birth and during gestation. King, '21. Slonaker and Card, '23. 



Birth weight. King, '15. Long and Evans, '22. Zuntz, '19. 



Sex ratio. CuSnot, 1899. King, '11 a, '11 h. King and Stotsenburg, '15. 

 King, '18, '21, '24. White, '14. 



Recognition of sex. Jackson, '12. 



Body weight according to sex. Dunn, '08. Ibsen, '21. King and Stotsenburg, 

 '15. King, '16. 



Behavior, a) Under natural conditions. Advisory Committee, '12. Bech- 

 stein, 1801. Bell, 1837-1874. Buckland, 1859. Buffon, 1749-1789. Dehne, 1855. 

 Fischer, 1872. Greenman and Duhring, '23. Griffith, '19. Hammett, '21 g. 

 Henneberg, '09. Hewett, '04. Kolazy, 1871. Kunkel, '19. Lambert, '10. 

 Lantz, '10. Manouvrier, '05. Nicholls, '22. Small, 1899. Stone, '22. Stotsen- 

 burg, '23. Szymanski, '18 a. Utsurikawa, '17. Vincent and Cameron, '20. 

 Yerkes, '16. 6) Under experimental conditions. Allen, '04. Barber, '15. 

 Basset, '14. Berry, '06. Brockbank, '19. Burtt, '16. Carr and Watson, '08. 

 Carr, '17, '17 a, '17 d. Cesana, '10. Dashiell, '20, '20 a. De Camp, '20. Dod- 

 son, '17. Glaser, '10. Griffith, '20, '21. Hamilton, '16. Heron, '22. Hubbert, 

 '14, '15, '15 a. Hubbert and Lashley, '17. Hunter, '12, '13, '15. Hunter and 

 Yarbrough, '17. Hunter, '18, '20, '22. Lashley, '12. '17, '18. Macht and Mora, 

 '20. Macht and Finesilver, '22. Macht and Ulrich, '22. Macht and Teagarden, 

 '23. Moore, '21. Pechstein, '21. Peterson, '17, '17 a. Reeves, '17. Richard- 

 aon, '09. Richter, '22. Ruger and Ruger, '17. Ruger, '18. Simmons, '24. 

 Small, '00, '01. Spencer, '23. Stone, '23. Szymanski, '14, '18b, '18 c. Ulrich, 

 '13, '20, '20a. Vincent, '12, '13, '15, '15 a, '15 b, '15 c. Warden, '23. Watson, 

 '03, '07, '14, '17. Watson and Watson, '13. Wiltbank, '19. Wylie, '19. Yar- 

 bouRh '21. 



Activity and exercise. Richter, '22. Slonaker, '12. Szymanski, '18, '18 a, 

 '18 b, '19. Wang, '23. 



Alcohol and drugs. Arlitt, '19. Lashley, '17 a. MacDowell and Vicari, '17, 

 '21. MacDowell, '19, '21, '22, '22 a, '22 b, '23. Macht and Bloom, '20, '21. 

 Macht and Mora, '20 a. Macht, Bloom and Ting, '21. Macht and Ting, '22. 



Lesions of brain and sense organs. Adams, '13. Carr, '17 b, '17 c. Franz 

 and Lashley, '17. Lashley and Franz, '17. Lashley, '20 '21, '21 a, '22. Pearce, 

 '17. 



Care of rats. Greenman and Duhring, '23. Hartwell, Mottram and Mott- 

 ram, '23. 



Equivalent ages. Brody and Ragsdale. '22. Donaldson, '08, '18. 



