THE CONVERSE RELATION BETWEEN CILIARY AND NEURO- 

 MUSCULAR MOVEMENTS. 



By ALFRED G. MAYER. 



EEFECT OF DIFFERENT TEMPERATURES ON THE MEDUSA CASSIO- 

 PEA, WITH SPECIAL REFERENCE TO THE RATE OF CONDUCTION 

 OF THE NERVE IMPULSE. 



By E. NEWTON HARVEY. 



THE INFLUENCE OF REGENERATING TISSUE ON THE ANIMAL 

 BODY. 



By CHARLES R. STOCKARD. 



CRADACTIS VARIABILIS: AN APPARENTLY NEW TORTUGAN 

 ACTINIAN. 



By CHARLES W. HARGITT. 



ON ADAPTATIONS IN STRUCTURE AND HABITS OF SOME MARINE 

 ANIMALS OF TORTUGAS, FLORIDA. 



By J. p. MCCLENDON. 



BEHAVIOR OF THE LOGGERHEAD TURTLE IN DEPOSITING ITS EGGS. 



By S. O. MAST. 



CERTAIN REACTIONS TO COLOR IN THE YOUNG LOGGERHEAD 

 TURTLE. 



By DAVENPORT HOOKER. 



A CONTRIBUTION TO THE ANATOMY AND DEVELOPMENT OF THE 

 POSTERIOR LYMPH HEARTS OF THE TURTLES. 



By FRANK A. STROMSTEN. 



POLYCITOR (EUDISTOMA) MAYERI NOV. SP., FROM THE TORTUGAS. 



By DR. R. HARTMEYER, Ph.D. 



REACTION TO LIGHT AND OTHER POINTS IN THE BEHAVIOR OF 

 THE STARFISH. 



By R. P. COWLES. 



THE ANATOMY OF PENTACEROS RETICULATUS. 



By D. H. TENNENT and V. H. KEILLER. 



ECHINODERM HYBRIDIZATION. 



By DAVID HILT TENNENT. 



