SUBJECT AND AUTHOR INDEX 



ACTINOBOLUS radians. Observations on the 

 life-history of two rare oiliates, Spathidium 

 sijathula and 349 



AniphiV)ian order DiplocauUa. The skull struc- 

 ture of Diplocaulus magnicornis Cope and the 



31 

 Arteries of Polyodon. The heart and 409 



BARTELMEZ, George W. The bilaterality of 

 the pigeon's egg. A study in egg organiza- 

 tion from the first growth period of the 

 oocyte to the beginning of cleavage. 269 



Bilaterality of the pigeon's egg. A study in egg 

 organization from the first growth period of 

 the oocyte to the beginning of cleavage. The 



269 

 Blepharisma undulans St. The paedogamous con- 

 jugation of 667 

 Body size and cell size. 159 



CALKINS, Gary N. The paedogamous con- 

 jugation of Blepharisma undulans St. 667 



Cell size. Body size and 159 



Chromodoris zebra Heilprin, a distinct species. 625 



Chromosomes in cross-fertilized Echinoid eggs. 

 The behavior of the 17 



of the Reduviidae. II. The nucleolus in 



the young oocytes and origin of the ova in 

 Gelastocoris. I. A further study of the 331 



Ciliates, Spathidium spathula and Actinoholus 

 radians. Observations on the life-history of 

 two rare 349 



Clark, Elizabeth G., Smallwood, W. M. and 

 Chromodoris zebra Heilprin, a distinct species. 



625 



Clinostomum marginatum, a trematode parasite 

 of the frog, bass, and heron. On the structure 

 of 189 



Conjugation of Blepharisma undulans St. The 

 paedogamous 667 



CoNKLiN, Edwix G. Body size and cell size. 159 



Corydalis eornutus L. The structure and meta- 

 morphosis of the fore-gut of 581 



Cross-fertilized Echinoid eggs. The Ijehavior of 

 the chromosomes in 17 



Cryptobranchus allegheniensis, including com- 

 parisons with some other vertebrates. II. 

 General embryonic and larval development, 

 with special reference to external features. 

 The embryology of 455 



allegheniensis. The embryology of 61 



DANFORTIT, C. H. The heart and arteries of 

 Polyodon. 409 



Degenerations in the secondary spermatogonia 

 of Desmognathus fusca. The 231 



Dcsmognathus fusca. The degenerations in the 

 secondary spermatogonia of 231 



Diplocaulus magnicornis Cope and the amphibian 

 order Diplocaidia. The skull structure of 31 



ECHINOID eggs. The behavior of the chro- 

 mosomes in cross-fertilized 17 

 Eggs. The behavior of the chromosomes in cross- 

 fertilized Echinoid 17 



Embryology of Cryptobranchus allegheniensis. 

 The 61 



of Cryptobranchus allegheniensis, includ- 

 ing comparisons with some other vertebrates. 

 II. General embryonic and larval develop- 

 ment, with special reference to external fea- 

 tures. The 45,5 



Emys lutaria. The development of the skull of 693 



Epithelium of Turbellaria. The 255 



FORE-GUT of Corydalis eornutus L. The 

 structure and metamorphosis of the 581 



Fowl. Modifications in the testes of hybrids from 

 the guinea and the common 45 



GELASTOCORIS. I. A further study of the 

 chromosomes of the Reduviidae. II. The 

 nucleolus in the young oocytes and oriain 

 of the ova in .3.31 



Guinea and the common fowl. Modifications in 

 the testes of hybrids from the 45 



GuYER, Michael F. Modifications in the testes 

 of hybrids from the guinea and the common 

 fowl. 45 



HEART and arteries of Polyodon. The 409 

 Heilprin, a distinct species. Chromodoris 

 zebra 625 

 Heretlity in heterogeneous hybrids. - 1 

 HiRSH, Pauline, Kingsbury, B. F. and The 

 degenerations in the secondary spermatogonia 

 of Desmognathus fusca. 231 

 Hybrids from the guinea and the common fowl. 

 Modifications in the testes of 45 

 Heredity in heterogeneous 1 



KINGSBURY, B. F. and Hirsh, Pauline. 

 The degenerations in the secondary sperma- 

 togonia of Desmognathus fusca. 231 

 KuNKEL, B. W. The development of the skull of 

 Emys lutaria. 693 



LARVAL development, with special reference 

 to external features. The embryology of 

 Cryptobranchus allegheniensis, including 

 comparisons with some other vertebrates. 

 II. General embryonic and 455 



Life-history of two rare ciliates, Spathidium 

 spathula and Actinobolus radians. Observa- 

 tions on the 349 

 LoEB, Jacques. Heredity in heterogeneous hy- 

 brids. 1 

 Lutaria. The development of the skull of Emvs 



693 



MATHESON, Robert. The structure and 

 metamorphosis of the fore-gut of Corydalis 

 eornutus L. 581 



Metamorphosis of the fore-gut of Corydalis eornu- 

 tus L. The structure and .581 

 Moody, Julia E. Observations on the life-his- 

 tory of two rare ciliates, Spathidium spathula 

 and Actinobolus radians. 349 

 Moodie, Roy L. The skull structure of Diplo- 

 caulus magnicornis Cope and the amphiliian 

 order Diplocaulia. 31 



781 



