278 THE BIOLOGY OF MARINE ANIMALS 



40. Kruger, P., "Vergleichender Fermentstoffwechsel der niederen Tierre," 

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41. Lasker, R. and Giese, A. C, "Nutrition of the sea urchin, Strongylocentro- 

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42. La vine, T. F., "A study of the enzymatic and other properties of the 

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43. Mansour-Bek, J. J., "The digestive enzymes in Invertebrata and Proto- 

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44. Millar, R. H., Ciona, L.M.B.C. Mem. 25 (Liverpool Univ. Press, 1953). 



45. Miller, R. C. and Norris, E. R., "Some enzymes of the Northwest ship- 

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46. Millott, N., "On the morphology of the alimentary canal, process of 

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47. Morton, J. E., "The ecology and digestive system of the Struthiolariidae 

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48. Morton, J. E., "The role of the crystalline style," Proc. Malac. Soc. Lond., 

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49. Morton, J. E., "The biology of Limacina retroversa," J. Mar. Biol. Ass. 

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50. Morton, J. E., "The tidal rhythm and action of the digestive system of the 

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51. Newell, B. S., "Cellulolytic activity in the lamellibranch crystalline style," 

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52. Nicholls, A. G., "Studies on Ligia oceanica. 2. The processes of feeding, 

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53. Nicholls, J. V. V., "The influence of temperature on digestion in Fundulus 

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54. Nicol, J. A. C, "Autonomic nervous systems in lower chordates," Biol. 

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55. Norris, E. R. and Elam, D. W., "Preparation and properties of crystalline 

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56. Norris, E. R. and Mathies, J. C, "Preparation, properties and crystalliza- 

 tion of tuna pepsin," /. Biol. Chem., 204, 673 (1953). 



56#. Owen, G., "Observations on the stomach and digestive diverticula of the 

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57. Prosser, C. L., "Feeding and digestion," in Comparative Animal Physiology 

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58. Ray, D. L. and Julian, J. R., "Occurrence of cellulase in Limnoria," 

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59. Sawano, E., "Studies on the digestive enzymes of Ostrea circumpicta," 

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60. Sawaya, P., "Contribuicao para a fisiologia do aparelho de apreensao dos 

 alimentos e da glandula do intestino medio de Ostracodo," Bol Fac. Fibs. 

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61. Stern, J. A. and Lockhart, E. E., "A study of the proteolytic enzyme 

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