XVI CONTENTS. 



Page 



6. Wealden Ostracoda. By F. Ross Thomson 303 



7. The First Meteorite Record in Egypt. By W. F. Httme, D.Sc., F.R.S.E. 394 



8. Report on the Composition and Origin of the Crystalline Rocks of 



Anglesey (p. 116) 304 



0. Report on the Excavation of Critical Sections in the Palreozoic Rocks of 



Wales and the West of England (p. Ill) 304 



10. "Interim Report on the Microscopical and Chemical Composition of 



Charnwood Rocks ,• . 394 



11. Report on the Fossil Flora and Fauna of the Midland Coalfields (p. 105) 304 



Section D.— ZOOLOGY. 



THURSDAY, AUGUST 31. 

 Addre?s by Professor D'Arcy W. Thompson, C.B., President of the Section 305 



1. The Vernal-Plumage Changes in the Adolescent Blackbird {Turdus merula) 



and their Correlation with Sexual Maturity. By C. J. Patten, M.A.. 

 M.D:, Sc.D 404 



2. A Case of a remarkable Egg of Falco tinnuncuhis laid under remarkable 



Circumstances. By C. J. Patten, M.A., M.D., Sc.D 405 



3. *Fairy Flies. By F. Enoch 406 



FBI DAY, SEPTEMBER 1. 



1. On a new Gymnoblastic Hydroid {Ichthyocodium sarcotrelis), epizoic on a 



new Parasitic Copepod (Sarcotretes scopeli) infesting Scopelus qlacialis 

 (Rhos.). By Hector F. E. Jungersen 407 



2. On the Species of the Genus Balanus collected in the Malay Archipelago 



during the Cruise of the Dutch Man-of-War ' Siboga.' By Dr. P. P. C. 

 Hoek ' 407 



3. Five Years' Danish Investigations on the Biology of the Eel. By 



Dr. J. Schmidt 400 



4. *Note on the Occurrence of Amphidinium. By Professor W. A. Herd- 



man, F.R.S 412 



5. The Lantern of Aristotle as an Organ of Locomotion. {Echinus esculentus 



and E. miliaris.) By James F. Gemmill, M.A., M.D., D.Sc 412 



6. The Dorsal Vibratile Fin of the Rockling (Motella). By J. Stuart 



Thomson, Ph.D., F.R.S.E 413 



7. "Variation in a Medusa. By C. L. Boulenger, M.A. 413 



8. Report on the Occupation of a Table at the Zoological Station at Naples 



(p. 119) 413 



