262 INTRODUCTION TO CYTOLOGY 



Brauer, A. 1893. Zur Kenntniss der Spermatogenese von Ascaris megalocephala. 



Arch. Mikr. Anat. 42: 153-212. pis. 11-13. 

 Calkins, G. N. 1897. Chromatin-reduction and tetrad-formation in Pteridoptrytes. 



Bull. Torr. Bot. Club 24: 101-115. pis. 295, 296. 

 Carothers, E. E. 1917. The segregation and recombination of homologous 



chromosomes as found in two genera of Acrididae (Orthoptera). Jour. Morph. 



28: 445-521. pis. 14. figs. 5. 

 Carruthers, D. 1911. Contributions to the cytology of Helvetia crispa Fries. 



Ann. Bot. 25: 243-252. pis. 18, 19. 

 Child, C. M. 1915. Senescence and Rejuvenescence. Chicago. 

 Claussen, P. 1912. Zur Entwicklungsgeschichte der Ascomyceten. Pyronema 



confiuens Zeitschr. f. Botanik 4: 1-64. pis. 1-6. figs. 13. 

 Cleland, R. E. 1919. The cytology and life history of Nemalion multifidum, Ag. 



Ann. Bot. 33 : 323-352. pis. 22-24. figs. 3. 

 Dahlgren, K. V. O. 1915. Der Embryosack von Piumbagella, ein neuer Typus. 



Ark. f. Botanik 14: 1-10. figs. 5. 

 Davis, B. M. 1909. Pollen development of Oenothera grandiflora. Ann. Bot. 



23:551-571. pis. 41, 42. 



1910. Thereduction division of (Enothera biennis. Ibid. 24: 631-651. pis. 52, 53 



1911. Cytological studies on (Enothera. III. A comparison of the reduction 

 divisions of (Enothera Lamarckiana and. (E Gigas. Ibid. 25 : 941-974. pis. 71-73. 



1916. Life histories in the red algse. Am. Nat. 50: 502-512. 

 Davis, H. S. 1908. Spermatogenesis in Acrididse and Locustidse. Bull. Mus. 



Comp. Zool. Harvard Coll. 53: 159-212. pis. 9. 

 Debaisieux, P. 1909. Les debuts de l'ovogenese dans le Dytiscus marginalis. 



La Cellule 25 : 207-236. pis. 2. 

 ,Deton, W. 1908. L' "etape synaptique" dans le Thysanozoon Brochii. La Cellule 



25:133-146. 1 pi. 

 Dietel, P. 1911. Versuche liber die Keimungsbedingungen der Teleutosporen 



einiger Uredineen. Centr. Bakt. II 31: 95-106. 

 Digby, L. 1910. The somatic, premeiotic, and meiotic nuclear divisions of Galtonia 



candicans. Ann. Bot. 24: 727-757. pis. 59-63. 



1912. The cytology of Primula Kewensis and of other related Primula hybrids. 

 Ibid. 26 : 357-388. pis. 41-44. figs. 2. 



1914. A critical study of the cytology of Crepis virens. Arch. Zellf. 12: 97-146. 



pis. 8-10. 

 1919. On the archesporial and meiotic mitoses of Osmunda. Ann. Bot. 33: 135- 

 172. pis. 8-12. 1 fig. 

 Dodge, B. O. 1914. The morphological relationships of the Florideae and the 



ascomycetes. Bull. Torr. Bot. Club 41: 157-202. figs. 13. 

 Doncaster, L. 1920. On the spermatogenesis of the louse (Pediculus corporis and 

 P. capitis), with some observations on the maturation of the egg. Quar. Jour. 

 Micr. Sci. 64: 303-328. pi. 16. 1 fig. 

 Dublin, L. I. 1905. The history of the germ cells in Pedicellina americana (Leidy). 



Ann. N. Y. Acad. Sci. 16: 1-64. pis. 1-3. 

 Duesberg, J. 1908. La spermatogenese chez le rat (Mus decumanus Pall., varietc 

 albinos). Arch. f. Zellf. 1: 399-449. pi. 10. 1 fig. 

 1909. Note complementaire sur la spermatogenese du rat. Ibid. 3: 553-562. 

 Farmer, J. B. 1894. Studies in the Hepaticse: On Pallavicinia decipiens. Ann. 

 Bot. 9: 35-52. pis. 6, 7. 

 1895. On spore formation and nuclear division in the Hepatica?. Ibid. 9: 469-523. 

 pis. 16-18. 



