THE GERM-CELLS OF CICADA (TIBICEN) SEPTEMDECIM. 453 



'16 A Comparative Study of the Chromosomes of Six Species of Nolonecta. 



Jour. Morph., Vol. 27, No. i. 

 Buchner, P. 



'09 Das accessorische chromosome in spermatogenese und ovogenese der 



Orthopteren, etc. Arch. f. Zellf. Bd. 3. 

 Calkins, G. N. 



'95 Observations on the Yolk-nucleus in the Eggs of Lumbricus. Trans. N. Y. 



Acad. of Sci., Vol. XII. 

 Conklin, E. G. 



'02 Karyokinesis and Cytokinesis, etc. Jour. Phila. A. N. S., Vol. 12. 



'06 Sex Differentiation in Dinophilus. Science, Vol. XXIV., p. 294. 



'05 The Organization and Cell-lineage of the Ascidian Egg. Jour. Phila. 



Acad., N.S., Vol. 13. 



'17 The Share of Egg and Sperm in Heredity. Proc. Nat. Acad. Sci., Vol. 3. 

 '17 The effects of Centrifugal Force on the Eggs of Crepidula. Jour. Exp. 



Zool., Vol. 23. 

 Cowdry, E. V. 

 '16 The General Functional Significance of Mitochondria. Am. Jour. Anat., 



Vol. 19, No. 3. 

 Cowdry, N. H. 



'17 A Comparison of Mitochondria in Plant and Animal Cells. BIOL. BULL., 



Vol. XXXIII. , No. 3. 

 Crampton, H. E. 



'99 Studies upon the Early History of the Ascidian Egg. Jour. Morph., 



Vol. 15, Supp. 

 Davis, H. S. 

 '08 Spermatogenesis in the Acridae and Locustidae. Bui. Mus. Comp. Zool. 



Harvard Coll., Vol. 53. 

 Duesberg, J. 



'08 Sur 1'existence des mitochondries dans 1'oeuf et 1'embryon d'Apis mellifica. 



Anat. Anzeig., Bd. XXXII. 

 '10 Nouvelles recherches sur 1'appareil mitochondrial des cellules seminales. 



Arch. f. Zellf., Bd. 6, Heft. i. 

 '12 Plastosomes, "Apparato reticolare interno," und Chromidial-apparat. 



Ergeb. der Anat. u. Entwick., Bd. XX. 

 '18 Chondriosomes in the Testicle-cells of Fundulus. Am. Jour. Anat., Vol. 23, 



No. i. 

 '19 On the Present Status of the Chondriosome Problem. BIOL. BULL., Vol. 



XXXVI., No. 2. 

 Faure-Fremiet, E. 



'08 Evolution de 1'appareil mitochondrial dans 1'oeuf de Julus terrestris. C. R. 



Soc. de Biol. T. 64. 

 '10 Etude sur les mitochondries des Protozoaires et des cellules sexuelles. 



Arch. d'Anat. Micr. T. n. 

 Foot, K. and Strobell, E. C. 



'n Amitosis in the Ovary of Protenor belfragei and a Study of the Chromatin 



Nucleolus. Arch. f. Zellf., Bd. 7, No. 2. 

 Gajewska, H. 



'19 Ueber den sogenannten Dotterkern der Amphibien. Arch. f. Zellf. Bd. 15, 

 ist Heft. 



