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82. Matthew, G. F. Monocraterion and Oldhamia. Irish Natural, x, 
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83. Mayer, A. G. The variations of a newly-arisen species of medusa. 
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84. McMurrich, J. P. Contributions on the morphology of the Actinozoci. 
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85. -. Report on the Hexactiniae of the Columbia University Expedi¬ 
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86. Mesnil, F. Recherches sur la digestion intracellulaire et les diastases 
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Adamsia rondeletti , Actinia equina , Anemonia sidcata. 
87. Miller, B. L. Geology of Marion County. Rep. Geol. Surv. Iowa xi, 
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88. MTntosh, W. C. The coloration of marine animals. Ann. Nat. Hist. 
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89. Morgan, T. H. Regeneration in the egg, embryo, and adult. Amer. 
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90. ——. Regeneration in Tubularia. Arch. Entwickmech. xi, pp. 346- 
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91. Morgenstern, P. Untersuchungen liber die Entwicklung von Cordy- 
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92. Murbach, L. & Shearer, C. Preliminary report on a collection of 
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94. Newton, E. T. Note on Graptolites from Peru. Geol. Mag. iv, 8, 
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1901. [Yol. xxxviii.] e 31 
