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56. Miall, L. C, and Denny, A. The structure and life-history 



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57. Xusbaum, J. Yorl. Mittheilung iiber die Chorda der Arthro- 



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58. Nusbaum, J. Die Entwicklung der Keimblatter bei Meloe' 



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59. Nusbaum, J. Zur Frage der Segmentirung des Keimstreifs und 



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60. Nusbaum, J. Zur Frage der Ruckenbildung bei den Insecten- 



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61. Kusbaum, J. On the development of the efferent ducts of the 



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62. Nusbaum, J. Zur Entwicklungsgeschichte der Ausfuhrungsgange 



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64. Packard, A. S. Embryological Studies on Diplax, Perithemis, 



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65. Patten, W. The development of Phryganids, with a pre- 



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66. Patten, W. Studies on the eyes of Arthropods. Develop- 



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67. Patten, W. Studies on the eyes of Arthropods. II. Eyes of 



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68. Patten, W. On the origin of Yertebrates from Arachnids. 



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69. Pedaschenko, D. On the formation of Notonecta glauca 



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