CONTRIBUTIONS FROM THE BERMUDA BIOLOGICAL 

 STATION FOR RESEARCH. (Continued.) 



VOL. 4. 



52. ABET, L. B. The Sensory Potentialities of the Nudibranch ' Rhinophore.' Anat. 



Record, 11 (6) : 514-516. Jan., 1917. 



53. CROZIER, W. J. Studies on Amphioxus by E. L. Mark and W. J. Crozier. I. 



The Photoreceptors of Amphioxus. Anat. Record, 11 (6) : 520. Jan., 1917. 



54. PARKER, G. H. The Movements of the Tentacles in Actinians. Jour. Exp. Zool., 



23 (1) : 95-110. Jan., 1917. 



55. PARKER, G. H. Pedal Locomotion in Actinians. Jour. Exp. Zool., 33 (1) : 111- 



124. Jan., 1917. 



56. JORDAN, II. Rheotropism of Epinephelus striatus Bloch. Proc. Nat. Acad. Sci., 



(3) : 157-159. Mar., 1917. 



57. CROZIBB, W. J. The Nature of the Conical Bodies on the Mantle of Certain 



Nudibranchs. Nautilus, 3O (9) : 103-106. Jan., 1917. 



58. WALTON, A. C. A Case of Regeneration in Panulirus argus. Ainer. Nat., 51 



(605) : 308-310. May, 1917. 



59. CROZIER, W. J. On the Periodic Shoreward Migration of Tropical Nudibranchs. 



Arner. Nat., 51 (606) : 377-382. June, 1917. 



60. WODEHOUSE, R. P. Direct Determinations of Permeability. Jour. Biol. Chem., 



39 (3) : 453-458. Apr., 1917. 



61. CROZIER, W. J. Occurrence of a Holothurian new to the Fauna of Bermuda. 



Ann. Mag. Nat. Hist., 19 (113) : 405^06. May, 1917. 



62. CROZIER, W. J. On the Pigmentation of a Polyelad. Proc. Amer. Acad. Arts 



and Sci., 53 (11) : 725-730, 1 pi. May, 1917. 



63. POPE, P. II. The Introduction of West Indian Anura into Bermuda. Bull. Mus. 



Cornp. Zool., 61 (6) : 117-131, 2 pis. May, 1917. 



64. CROZIER, W. J. Some Structural Variations in Chromodoris zebra. Nautilus, 



O (12) : 140-142. Apr., 1917. 



65. CROZIER, W. J. A Method of Preserving large Nudibranchs. Nautilus, SO 



(12) : 142-144. Apr., 1917. 



66. CROZIER, W. J. Multiplication by Fission in Holothuriuns. Amer. Nat., 51 



(609) r S60-566. Sept., 1917. 



