466 THE ZOOLOGIST. 



DiiATH of Dr. Crisp. — The death is also announced of Dr. Crisp at his 

 residence in Chelsea. The deceased gentleman was born at Rendlesham, 

 in Suffolk, in 1806. He studied for the medical profession at St. Thomas's 

 Hospital and Paris, and has been a great contributor to medical literature. 

 He was a Fellow of the Medical Society of London, a Member of the Royal 

 College of Surgeons, and a Doctor of Medicine of St. Andrew's. At one 

 time he was a frequeut contributor to the ' Proceedings of the Zoological 

 Society,' wherein will be found numerous original papers from his pen. 



PROCEEDINGS OF SCIENTIFIC SOCIETIES. 



Linmean Society ok London. 



November^, 1882.— Sir J. Lubbock, Bart., M.P., F.R.S., President, 

 iu the chair 



Prof. J. C. Ewart, Mr. G. Fry, and Lord Walsiugham were elected 

 Fellows of the. Society. 



Mr. A. P. W. Thomas drew attention to a series of specimens under 

 the microscope and diagrams, illustrative of the life-history of the liver-fluke 

 (Fasciola hepatica). His experiments showed that the embryos of the fluke, 

 as free Cercarice, burrow into and develop within the body of Liiimtzus 

 truncatulus, and thereafter pass with the herbage into the stomach and 

 ultimately liver of the sheep. Salt added to the sheep's diet is found to act 

 as a prophylactic. 



Mr. F. Crisp exhibited specimens sent by Drs. Loew and Bokormy, of 

 Munich, illustrating the discovery they claim to have made of a specific 

 chemical difference between living and dead protoplasm, viz., the power of 

 the living organism to reduce silver salts in a very dilute alkaline solution. 

 Thus, for instance, living Spirogyra placed in the solution reduces the 

 silver salt and converts the contents of the cell into a black opaque mass, 

 while if first killed, no such action takes place, but the spiral arrangement 

 of the chlorophyll threads remains perfectly distinct. 



Prof. E. Ray Laukester exhibited and made remarks on a fine series of 

 marine objects dredged by him last summer in the Fjords of Norway, the 

 Corals and Sponges being particularly interesting. Of these may be 

 mentioned a branch of Paragorgia arborea, three feet across; specimens of 

 the same in spirit, as also of Lophohelia prolifera, Amphihelia ramsa, Sty- 

 luster norvegicus, Primnoa lepadifera, aud Paramuricia ramosa, both dried 

 and also with the polyps preserved in spirits. The collection also included 

 some very large new forms of Foraminifera, specimens of Rhizocrinus 

 lofotensis, of the aberrant Mollusca Neomenia and Chcetoderma, and of 

 Rhabdopleura normani, besides a large series of Sponges and Asteroidea. 



Dr. F. Day showed examples of Trout, namely, of the American Brook 

 Trout, reared iu an Aquarium, another reared at Howiestowu, near Stirling, 



