42 Hybridizalion of Echinoids. 



LITERATURE. 



Baltzer, F. 1909. Die Chromosomen von Strongyloccntrotus lividus und Echinus micro- 

 tuber culalu if. Arch. f. Zellforsch., Band 2. 

 Clark, H. L. 1907. The Cidaridae. Bull. Mus. Comp. Zool., Harvard Coll., vol. 51, 



No. 7. 

 . 1912. Hawaiian and other Pacific Echini. Mem. Mus. Comp. Zool., Harvard 



CoU., vol. 34, No. 4. 

 CoNKLiN, E. G. 1912. Cell size and nuclear size. Jour. Exp. Zool., vol. 12. 

 . 1915. Heredity and environment in the development of men. Princeton Univ. 



Press. 

 DoNCASTER, L., and J. Gray. 1913. Cytological observations on the early stages of 



segmentation of Echinus hybrids. Quart. Jour. Mic. Sci., vol. 58. 

 Erdmann, Rh. 1908. Experimen telle Untersuchung der Massenverhaltnisse von Plasma, 



Kern und Chromosomen in dem sich entwickelnden Seeigelei. Arch. f. 



Zellforsch., Band 2. 

 Fulton, John F., jr. 1921. Studies on neuromuscular transmission: I. Amer. Jour. 



Physiol., vol. 57. 

 GoLDscHMiDT, R. 1917. A further contribution to the theory of sex. Jour. Exp. 



Zool., vol. 22. 

 GoDLEWSKi, E., JR. 1908. Plasma und Kernsubstanz in der normalen und der durch 



aussere Faktoren veranderten Entwicklung der Echiniden. Arch. f. Entw. 



Mech., Band 26. 



. 1911. Studien iiber Entwicklungserregimg. Arch. f. Entw. Mech., Band 33. 



Gray, J. 1913. The effects of hypertonic solutions upon the fertilised eggs of Echinus. 



Quart. Jour. Mic. Sci., vol. 58. 

 Guthrie, M. J., and H. Hibbard. 1919. Cleavage and mesenchyme formation in 



Toxopneu^tes variegatus. Biol. Bull., vol. 37. 

 Hertwig, Gunther. 1918. Kreuzungsversuche an Amphibien. Wahre und falsche 



Bastarde. Arch. Mikr. Anat., Band 91. 

 Jackson, Robert Tract. 1912. Phylogeny of the Echini, with a revision of the Palaeozoic 



species. Mem. Boston Soc. Nat. His., vol. 7. 

 LiLLiE, F. R. 1919. Problems of fertilization. Univ. Chicago Press. 

 Lillie, R. S. 1909. The general biological significance of changes in permeability of the 



surface layer or plasma-membrane of living cells. Biol. Bull., vol. 17. 



. 1911. The physiology of cell division: IV. Jour. Morph., vol. 22. 



Marcus, H. 1906. uber die Wirkung der Temperatur auf die Furchung bei Seeigeleiern. 



Arch. f. Entw. Mech., Band 22. 

 McClendon, J. F. 1912. The osmotic and surface tension phenomena of living elements 



and their physiological significance. Biol. Bull., vol. 22. 

 Mortensen, Th. 1920. Studies in the development of Crinoids. Papers from Depart- 

 ment of Marine Biolog>', Carnegie Inst. Wash. Pub. No. 294. 

 . 1921. Studies of the development and larval forms of Echinoderms. Published 



at expense of Carlsberg fund, G. E. C. Gad., Copenhagen. 

 OsHiMA, H. 1921. On the development of Cvcumaria echinata. Quart. Jour. Mic. Sci., 



vol. 65. 

 Pinney, Edith. 1911. A study of the chromosom.es of Hipponoe esculenta and Moira 



atropos. Biol. Bull., vol. 21. 

 . 1918. A study of the relation of the l)ehavior of the chromatin in development 



and heredity in teleost hybrids. Jour. Morph., vol. 31. 

 Poll, H. 1920. Mischlingsstudien VIII. Arch. f. Mikr. Anat., Band 94. 

 Prouho, H. 1887. Recherches sur le Dorocidaris papillata et quelques autres Echinides 



de la Mediterrance. Arch. Zool., espcr. gcner. 2., Ser. V. 

 Tennent, D. H. 1911. Ecliinoderm hyl^ridization. Papers from Department of Marine 



Biology, Carnegie Inst. Wash. Pub. No. 132. 



. 1911a. A heterochromosome of male origin in Echinoids. Biol. Bull., vol. 21. 



. 1912. Studies in cytology. Jour. Exp. Zool., vol. 12. 



. 1914. The early influence of the spermatozoon upon the characters of Echinoid 



larvae. Papers from Department of Marine Biology, Carnegie Inst. Wash. 



Pub. No. 182. 

 . 1920. Evidence on the nature of nuclear activity. Proc. Nat. Acad. Sci., 



vol. 6. 



