Organologia 162 



width .83 microns for organisms above and including Nemathelminthia. 

 Lengths in arithmetical progression.] 

 78450 Thompson, Crystal. 14.63.1 : 57.28 Ceuthophilus 



1911. The Spermatogenesis of an Orthoptoron, Ceuthophilus latebricola 

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51 Stevens, N. M. 14.63.1 : 57.28 Ceuthophilus 



1912. Supernumerary Chromosomes and Conjugation of Chromosomes 

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52 Baunigartuer, W. J. 14.63.1 : 57.29 



1912. Spermatogenesis in the Gryllidae. (Amer. Soc. Zool.) Science 

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53 Payne, Fernandus. 14.63.1 : 57.29 Gryllotalpa 



1912. The chromosomes of Gryllotalpa borealis Bbrm. Arch. Zellforsch. 

 Bd. 9 p. 141—148, 2 figg. 



54 von Baehr, W. B. 14.63.1 : 57.52 Aphis 



1912. Contribution a l'etude de la caryocinese somatique, de la pseudo- 

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55 Payne, Fernandus. 14.63.1 : 57.54 



1912. I. A Further Study of the Chromosomes of the Reduviidae. II. 

 The Nucleolus in the Young Oocytes and Origin of the Ova in Gelasto- 

 coris. Journ. Morph. Vol. 23 p. 331-347, 10 figg. 



56 Wilson, Edmund B. 14.63.1 : 57.54 



1912. Studies on chromosomes. VIII. Observations on the maturation- 

 phenomena in certain Hemiptera and other forms, with considerations 

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 78457 M'Clnng, C. E., and Edith Pinney. 14.63.1 : 57.54 Anasa 



1911. An Examination of the Chromosomes of Anasa tristis. Bull. Kan- 

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58 Wilke. 14.63.1 : 57.54 Bydrometra 



1912. Beitrag zur Kenntnis der Chromatinreduktion der Hemipteren. 

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59 Doncaster, L. 14.63.1 ; 57.85 Abraxas 



1911. Some Stages in the Spermatogenesis of Abraxas grossulariata and 

 its Variety lacticolor. Journ. Genet. Cambridge Vol. 1 p. 179 — 184, 

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60 Champy, Ch. 14.63.1 : 76 



1913. La degenerescence oviforme des cellules meres du testicule et 

 l'origine de certains filaments qu'on rencontre dans le cytoplasme des 

 ceufs. C. R. Soc. Biol. Paris T. 74 p. 458-460. 



61 Terni, Tullio. 14.63.1 : 79 



1912. Dimostrazione di condrioconti nel vivente. Anat. Anz. Bd. 41 p. 

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62 Kingsbury, B. F., and Pauline E. Hirsh. 14.63.1 : 79 Besinognathns 



1912. The Degenerations in the Secondary Spermatogonia of Desmogna- 

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63 King, Belen Dean. 14.63.1 : 79 Necturug 



1912. Dimorphism in the spermatozoa of Necturus maculosus. Anat. Re- 

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64 Landrieu, M. 14.63.1 : 86 Gallus 



1912. Deux problemes biologiques. Deveioppement in vitro d'ceufs de 

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65 Guyer, Michael F. 14.63.1 : 86 Numida 



1912. The X-element in Guinea-chicken Hybrids. (Amer. Soc. Zool.) 

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 78466 Smith, Geoffrey. 14.631 : 86.5 



1912. Studies in the Experimental Analysis of Sex. Part 9. — On 

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