X COXTENTS. 



Prof. T. 11. Huxley on the relations of PenicilUinn, Tunda, and Badertmn . . ll'J 



Mr. J. G-N\TN jKFFiir.YS on a Pentacriuus (P. WyciUc-Thomsom) from the 

 Coasts of Spain and Portugal '. 110 



Mr. W. Saville Kent on an existing Favositoid Coral 119 



's Note on the Affinities of the Sponges to the Corals 120 



Mr. E. Ray Lankester on a Stock-form of the Parasitic Fiatworm 120 



on Oligochfetous Worms 120 



Mr. E. J. Lo-ft-E on Abnormal Forms of Ferns 120 



Mr. Robert M'Andrew's Report on the Testaceous Mollusca obtained during 

 a Dredging-Excursion in the Gulf of Suez during the months of February 

 and March 1809 120 



Mr. W. C. M'Intosh's Preliminary Report on certain Annelids dredged in the 

 Expedition of H.M.S. ' Porcupine ' (1869) 121 



Mr. Thomas J. Moore on the ' Mortimer ' Ship-equarium 121 



on Rhinodon ti/picus, a rare Shark lately added to the 



Free Museum, Liverpool 121 



on work done by the Mercantile Marine of Liverpool 



in furtherance of Zoology 121 



-, Exhibition of a remarkable hinged Fish -jaw and of 



a young Lamantin 121 



Dr. C. Parry on the Desert Flora of North America 122 



Mr. C. W. Peach on an Ebalia new to the British list 1 22 



Mr. John Price's Notes on the Cuckoo-flower or Lady's-Smock (Cardmitine 

 pratmsis) 122 



Mk p. L. Sclater on certain Principles to be observed in the Establishment 

 of a National Museum of Natural Ilistory 123 



Mr. Robert Swixhoe on the Natural History of Hainan 128 



Prof. Wyville Thomson on Hyalonema and some other Vitreous Sponges . . 128 



• on some of the Echinoderms of the Expedition of 



H.M.S. ' Porcupine ' 128 



Mr. Tyerman's Note on the Growth oi Zodoi'cea SeycheUannn 128 



Mr. Henry Woodward on the Structure of the Shell in the Pearly Nautilus 128 



Mr. H. Charlton Bastian's Statement in reply to the two Objections of 

 Professor Huxley relative to certain Experiments 129 



Mr. Alfred W. Bennett on the Theory of Natural Selection looked at from 

 a Mathematical Point of View 130 



Mr. Gilbert W. Child on Protoplasm and the Germ Theories 101 



Dr. CoBBOLD on some of the more Important Facts of Succession in Relation 

 to any Theory of Continuity 1.31 



Dr. F. Crace-Calvert on the Development of Germ-life 1.32 



Mr. James Samuelson on the Controversy on Spontaneous Generation, with 

 new Experiments 1.3,3 



Mr. Frederic T. Mott on the Scientific Value of Physical Beauty 13-1 



Dr. Brown Seql^ard on various Alterations of Nutrition due to Nervous 

 Influence 1,3.X 



on Apparent Transmission of Abnormal Conditions due 



to Accidental Causes , , 1,34 



