STAMMESGESCHICHTLICHE VERANDERUNG DER EUTHERIA-ONTOGENESEN 1663 



RiCHARDSON, W. B. 1943. Wood rats (Neotoma albigula) : their growth and development. 



J. Mammal. 24: 130-143. 

 RoTH, H. H. 1964. Note on the early growth development of Hystrix africaeaustralis. 



Z. Sàugetierk. 29: 313-316. 

 Scott, J. P. 1937. The embryology of the Guinea-pig. Am. J. Anat. 60: 397-432. 

 Shadle, a. 1930. An unusual case of parturition in a Beaver. J. Mammal. 11: 483-485. 

 Shorten, m. 1951. Some aspects of the biology of the grey squirrel (Sciw us carolinensis) 



in Great Britain. Proc. zool. Soc. Lond. 121 : 427-458. 

 SoLLBERGER, D. E. 1943. Notcs on the breeding habits of the eastern flying squirrel 



(Glaucomys volans volans). J. Mammal. 24: 163-173. 

 SowLS, L. K. 1948. The franklin groiind squirrel, Citellus franklinii (Sabine) and its 



relationship to nesting ducks. J. Mammal. 29: 113-137. 

 Spark, C. and A. B. Dawson. 1 928. The order and time of appearance of centers of ossifica- 

 tion in the fore and hind limbs of the albino rat, with spécial référence 



to the possible influence of the sex factor. Am. J. Anat. 41 : 411-445. 

 Strong, R. m. 1925. The order, time and rate of ossification of the albino rat (Mus 



norvegicus albinus) skeleton. Am. J. Anat. 26: 313-355. 

 Struthers, p. h. 1927. The prénatal skull of the Canadian porcupine ( Erethizon dorsatus ) . 



J. Morph. 44: 127-216. 

 SviHLA, R. 1930. Development of young red squirrels. J. Mammal. 11: 79-80. 



— 1931. Life history of the Texas rice rat ( Oryzomys palus tris texensis). J. Mammal. 



12: 238-242. 



Tappe, D. t. 1941. Natural history of the tulare kangaroo rat. J. Mammal. 22: 1 17-148. 

 Torrey, t. W. 1943. The development of the urinogenital System of the albino rat. Am. 

 J. Anat. 72: 113-148. 



\olker, O. 1922. Normentafel zur Entwicklungsgeschichte des Ziesels ( Spermophilus 



citellus) . Fischer Jena. 

 VoLCANEZKiJ, J. und A. Flrssajew. 1934. Vber die Ôkologie von Citellus pygmoeus. 



Z. Sàugetierk. 9: 404-425. 

 Wessel, m. 1967. Untersuchungen zum Genitalzyklus der Hausmaus Mus musculus 



Linné 1758 und Entwurf einer Normentafel der Embryonalentwicklung. 



Zool. Jb. Anat. 84: 375-424. 

 W RANGEE, H. VON. 1940. Beitràge zur Biologie der Rôtelmaus, Clethrionomys glareolus 



Schreb. Z. Sàugetierk. 14: 52-93. 

 W RiGHT, H. M., C. W. AsLiNG, H. L. Dougherty, m. N. Nelson and H. M. Evans. 



1958. Prénatal development of the skeleton in long-evans rat. Anat. Rec. 



130: 659-672. 



3. Insectivora 



A DAMS, L. E. 1903. A contribution to our knowledge of the mole Talpa europaea. Mem 



Manch. Lit. Phil. Soc. 47: 1-39. 

 — 1909. Some notes on the breeding hab'ts of the common mole. Mem. Proc. Manch. 



Lit. Phil. Soc. 54: 1-9. 

 Ai.THAUS, P. 1937. Zur Ontogenie des Centetes-Gebisses. Med. dent. Diss., Bern. 

 Arlton, a. V. 1936. An ecological study of the Mole. J. Mammal. 17: 349-371. 

 de Beer, g. 1929. 77?^ development of the skull of the shrew. Phil. Trans. R. Soc. Lond. 



B. 217: 411-482. 



