754 



INDEX 



Vol. Page 



DoDDS, Gideon S. Segregation of the germ- 

 cells of the teleost, Lophius 21 563 



DoLBEAR, A. E. On the organization of atoms 



and molecules 2 569 



Donaldson, H. H. On the regular seasonable 

 charges in the relative weight of the central 

 rervous systein of the leopard frog 22 663 



• Preliminary observations on some changes 



caused in the nervous tissues by reagents com- 

 monly employed to harden them 9 123 



Downing, E. R. The formation of the sperm- 

 tophorein Arenicolaand a theory of the alter- 

 nation of generations in animals 22 1001 



Drew, Gii man A. Sexual activities of the squid, 



Loligopealii(Les.) 22 327 



EDWARDS, Charles L. The development of 

 Holothuria Floridana Pourtales, with espe- 

 cial reference to the ambulacral appendages 20 211 



EisEN, G. On the blood-plates of the human 

 blood, with notes on the erythrocytes of am- 

 phiuma and Necturus 15 635 



• Thesperniatogenesisof Batrachoseps 17 1 



Enders, H. E. a study of the life history and 

 habits of Chaetopterus variopedatus, Renier 

 etClaparede 20 479 



Eycleshymer, a. C, .Jordan, E. O., and. On 



the cleavage of amphibian ova 9 407 



Eycleshymer, A. C., Whitman, C. O., and. 



The egg of Amia and its cleavage 12 309 



Eycleshymer, A. C. The development of the 



optic vesicles in Amphibia 8 189 



The early development of Amblystoma, with 



observations on some other vertebrates 10 343 



, The location of the basis of the amphibian 



emljryo 14 467 



Elgenmann, C. H. On the precocious segrega- 

 tion of the sex-cells in Micrometrus aggregatus. 

 Gibbons 5 481 



FASTEN, Nathan Spermatogenesis of the 

 American crayfish, Cambarus viribs and 

 Cambarus immunis (?), with special refer- 

 ence to synapsis and the chromatoid bodies . . 25 587 

 Field, G. W. On the morphology and physiol- 

 ogy of the echinoderm spermatozoon 11 235 



Fish, P. A. The central nervous system of Des- 



mognathusfusca 10 231 



Flexner, S. The regeneration of the nervous 

 system of Planaria torya, and the anatomy of 

 the nervous system of double-headed forms. ... 14 337 

 Foot, K., and Strobell, E. C. Photographs of 



theeggof AlloloVjophorafoetida. 1 16 601 



Photographs of the egg of Allolobophora foe- 



tida. II 17 517 



Foot, K., Preliminary note on the maturation and 



fertilizationof the egg of Allolobophora foetida.- 9 475 



The cocoons and eggs of Allolobophora foetida. 14 481 



. -; The origin of the cleavage centro.somes 12 509 



Yolk-nucleus and polarrings 12 1 



C -GARDINER, E. G. Early development of 

 I Polychoeruscaudatus, Mark 11 155 



The growth of the ovum, formation of the 



polar bodies, and the fertilization in poly- 



choerus cordatu.s^. 15 73 



Gaule, a. L. Biological charges in the spleen of 



the frog : 8 393 



Gorham, F. p. The cleavage of the egg of Vir- 



liius zo.stericola. Smith II 741 



Grai', a. The sphincter of the terminal vesicles 



of Hirudomedicin;dis 9 485 



Ghek.xe, C. W. Tlic |iliii^plii]?cscent organs in 



thetoadfish, PoricliiliN - n.n.ims, Girard 15 667 



GHEGORy, W. K. Cril i(|iir 111 recent work on the 

 morphology of the vertebrate skull, especially 



in relation to the origin of mammals 24 1 



. (Iriffin. B. B. Studies on the maturation, fer- 

 tilization, and cleavage of Thalassema and 

 Zirpha>a 15 583 



Griggs, Leiand. Early .stages in the develop- 

 ment of the central nervous sytem of Amblys- 

 toma punctatum 21 425 



Gudernatsch, .1. F. The thyreoid gland of the 



teleo.sts. Vol. 21, no. 4, Supplement 21 709 



; GuYEK, Michael F. .VIodificiitionsin thete.stesof 



hybrids from theguincn and the common fowl 23 45 



\'ol. Page 



HARGITT, C. W. and Hargitt, G. T. 

 Studies in the development of Scyphome- 

 dusae 21 217 



H.^rgitt, C. W. Some problems of coelenterate 



ontogeny 22 493 



Hargitt, G. T., .Jennings, H. S., and. Char- 

 acteristics of the diverse races of Paramecium 21 495 



H.\RGiTT, G. T. Germ cells of coelenterates. I. 



Campanularia flexuosa 24 383 



Harm.vn, Mary T. Method of cell-division in 



the sex-cells of Taenia teniaeformis 24 205 



Harper, E. H. The geotropism of Paramoecium 22 993 



Harrington, N. R. The calciferous glands of 

 the earthworm, with appendix on the circula- 

 tion. Vol. 15, no. 3, Supplement 15 105 



Hay, O. P. The skeletal anatomy of Amphiuma 



during its earlier stages 4 11 



Hazen, a. p., Morgan, T. H., and. The gas- 



trulation of Amphioxus 16 569 



Hazen, A. P., Patten, W., and. The develop- 

 ment of the coxal gland, branchial cartilages, 

 and genital ducts of Limuluspolyphemus 16 459 



Hegner, R. W. Studies on germ cells. I. The 

 history of the germ cells in insects with special 

 reference to the Keimbahn-determinants in 

 animals 25 375 



• The origin and early history of the germ-cells 



in some chrysomelid lieetles 20 231 



Hill , Charles. Development of the epiphysis in 



Coregonus albus 5 503 



Theepiphysisoftelecsts and Amia 9 237 



Hilton, Wm. A. General features of the early 



development of Desmognathus fusca 20 533 



The development of the blood and the trans- 

 formation of some of the early vitelline vessels 

 in Amphibia ." 24 339 



HiRSH, P.^uLiNE, Kingsbury, B. F., and. The 

 degenerations in the secondary spermatogonia 

 of Desmognathus fusca 23 231 



Hodge, C. F. A microscopical study of the 

 changes due to functional activity in nerve 

 cells 7 95 



A microscopical study of the nerve cell during 



electrical stimulation 9 449 



Holmes, S. J. Minimal size reduction in plana- 



rians through successive regenerations 22 989 



Theearly development of Planorbis 16 369 



Hopkins, G. S. On the enteron of American 



ganoids 11 411 



How.^RD, A. D. The visual cells in vertebrates, 



chiefly in Necturus maculosus 19 561 



Howell, W. H. Observations upon the occur- 

 rence, structure, and function of the giant cells 

 of the marrow 4 117 



The life history of the formed elements of the 



blood, especially the red blood corpuscles 4 57 



HuBER, G. C. a coitribution on the minute 

 anatomy of the sympathetic ganglia of the dif- 

 fered t classes of vertebrates 16 27 



A study of the operative treatment for loss of 



nerve substance in peripheral nerves 11 629 



Hyde, I. H. The nervous mechanism of the re- 

 spiratory movements in Limulus polyphemus. 9 431 



JACKSON, C. M., Ayres, H., and. Morphol- 

 ogy of the Myxinoidei. I. Skeleton and mus- 

 culature 17 185 



Jennings, H. S. Hargitt, G. T., and. Charac- 

 teristics of the diverse races of Paramecium ... 21 495 



.Johnson, H. P. A co-tribution to the morphol- 



ogv and biology of the Ste tons 8 467 



Theplastogamyof Actir'osphaerium 9 269 



.Johnson, M. E., Ritter, W. E., and. The 

 growth and differentiation of the chain of Cy- 

 closalpaaffi'-is (Chamisso) 22 395 



.Jordan, E. O., Eycleshymer, A. C, and. On the 



cleavage of am phibia'i ova 9 407 



.Jordan, E. O. Tlie habits and development of 



the newt 8 269 



Thespermatophoresof Diemyctylus 5 263 



KKPNEH. \\. A. Nutrition of the ovmn of 

 Scoliadubia 20 125 



King, Helen Dean. The matnnition and fertil- 

 ization of theegg of Biilo Ic tigi- osus 17 293 



■ The oogenesis of Bnfo lentiginosus 19 369 



