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 80667 Bierens de Haan, J. A. 39.5 : 13.9 



1913. Ueber homogene und heterogene Keimverschmelzung bei Echiniden. 

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6S Heilbrunn, Lewis V. 39.5 : 13.9 



1913. Studies in Artificial Parthenogenesis. I. Membrane Elevation in 

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 [Substances which lower surface tension.] 



69 Ilobertson, T. Brailsford. 39.5 : 13.9 



1913. On the influence of lecithin upon the development of sea-urchin 

 embryos. (Preliminary communication.) Proc. Soc. exper. Biol. Wed. 

 Vol. 10 p. 118 — 120. [Dissolution of inner and outer fertilization mem- 

 branes. Action inhibited by cholestenn.] 



10 von Ubisch, L. 39.5 : 14.78.5 



1913. Die Anlage und Ausbildung des Skeietsystems einiger Echiniden 

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71 Hawkins, Berbert L. 39.5 (117) 



1913. On Lanieria, Duncan, a remarkable Genus of the Holectypoida ; 

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72 Lambert, J. 39.5 (117) 



1913. Etude supplementaire sur quelques Echinides des couches a Ru- 

 distes de Gosau. Bull. Soc* geol. Belgiqne T. 27 Mem. p. 3—8, 1 pi. 

 [2 nn. spp. in : Micraster, Ct/claster.] 

 80673 Gregory, John Walter. 39.5 (118) 



1911. Contributions to the Geology of Cyrenaica. (D. The Fossil Echi- 

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 [3 nn. spn. in :. Amphiope, Schisaster, SarseUa. 3 nn. varr. in Cit/peaster.] 



(1181, 1182) 

 74 Lambert, J. 39.5 (118) 



1912. Description des Echinides des terrains neogenes du bassin du 

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 [7 nn. spp. in : Psammechinus, Scute/la 2, Amphiope 3, Clypeaster. Palean- 

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(1182. 1183) (44.84,.91,.92,.94,.95,.9S, 494) 

 <5 Cottreau, Jean. 39.5 (1181) 



1912. Echinides du Nummulitique en Chalosse. Bull. Soc. geol. Fraace 

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76 Dainelli, Giotto. 39.5 (1181) 



1912. Nota pieliminare sopra gli Echinidi eocenici del Friuli. Atti Soc. 

 toscana Sc. nat. Pisa Mem. Vol. 28 p. 91—100. 



77 Pack, Robert W. 39.5 (1182) 



1913. Notes on Scutella norrisi and Scut aster andersoni. Univ. California 

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78 Agassiz, Alexander, and Hubert Lyman Clark. 39.5 (26) 



1908. Hawaiian and other Pacific Echini. The Salenidae, Arbaciadae, 

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80679 Clark, Hubert Lyman. 39.5 (26) 



1912. Hawaiian and other Pacific Echini. The Pedinidae, Phymosoma- 

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