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 Pteridophytes. 



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 Acrididse (Orthoptera). Jour. Morph. 



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

 CARRUTHERS, D. 1911. Contributions to the cytology of Helvella 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 



confluent 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 O f (Enolhera grandiflora. Ann. Bot. 



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



1910. The reduction division of CEnothera biennis. Ibid. 24: 631-651. pis. 52, 53 



1911. Cytological studies on CEnothera. III. A comparison of the reduction 

 divisions of CEnothera Lamarckiana and. CE Gigas. Ibid. 25 : 941-974. pis. 71-73. 



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

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



Comp. Zool. Harvard Coll. 63: 159-212. pis. 9. 

 DEBAISIEUX, P. 1909. Les d6buts de I'ovog4nese dans le Dytiscus marginalis. 



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

 DETON, W. 1908. L' "6tape synaptique" dans le Thysanozoon Brochii. La Cellule 



26:133-146. 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 (Pedicutus 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 spermatoge'nese chez le rat (Mus decumanus Pall., variete 



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 Hepaticse. Ibid. 9 : 469-523. 

 pis. 16-18. 



