574 



SCIENCE. 



[N. S. Vol. XII. No. 302. 



the Iridacex ; Dr. P. A. Rydberg, the Potentil- 

 Iss and other Rosacese and some Leguminosse ; 

 Dr. C. F. Millspaugh, the Euphorbiaceee ; Mr. R. 

 A. Rolfe, the Orchidaoem. Of this number Pro- 

 fessor Greene has named 8 new species, Dr. 

 Robinson 4, Dr. Rose 3, Mr. Bicknell 2, and 

 Dr. Rydberg has indicated two new species of 

 Potent-ilia, which he has not had time as yet to 

 describe. 



The second season of the Beaufort Labora- 

 tory of the U. S. Fish Commission came to an 

 end on September 15th. The occupants of tables 

 were from Johns Hopkins University, Columbia 

 University, University of North Carolina and 

 Trinity College (N. C). The economic work, 

 carried on by special assistants in the service 

 of the Commission, embraced a study of the 

 neighboring natural and artificial oyster beds, 

 breeding times and food of certain food-fishes, 

 life histories of fish (blennies), life history of a 

 lepadide barnacle (Dichelaspis) which has been 

 found to be a common parasite in the gill 

 chambers of the edible crabs, Callinectes and 

 Menippe. The more purely scientific investi- 

 gations covered a wide field, embracing such 

 diverse subjects as the systematic zoology and 

 ecology of actinians, echinoderms, and sponges ; 

 embryology of ophiuraus ; larval development 

 of actinians ; regeneration phenomena in 

 ophiurans, and in Renilla ; embryology of 

 gephyrean worms (Thalassema) ; cell lineage 

 of Axiothea ; experimental work on the cleav- 

 age of the oyster egg ; cytological phenomena 

 in the ' chemically fertilized ' eggs of Toxop- 

 neustes. 



The experiment made by English scientific 

 men on mosquitoes and malaria to which we 

 have called attention appears to have been suc- 

 cessful. Drs. Sambon and Low and their asso- 

 ciates, who have been living in a mosquito-proof 

 hut in the Roman campagna drinking the water, 

 exposed to the night air and taking no quinine, 

 have so far been entirely free from malaria. 

 On the other hand Dr. Manson's son, P. Thur- 

 burn Manson, who was bitten every second day 

 by infected mosquitoes, fed in Rome on those 

 sutTering from malarial fever, sufl^ered an attack 

 of fever and tertian parasites were found in his 

 blood. 



The Pacific Commerical Museum, modeled 

 after the similar institution at Philadelphia, has 

 completed its organization by electing Irving 

 M. Scott, president, Eugene Goodwin, secre- 

 tary, and Isaac Upham, treasurer. It is amply 

 provided with funds and will soon begin the 

 collection of the products of the Pacific 

 Coast, which are to form a permanent exposi- 

 tion in San Francisco. 



The United States Civil Service Commission 

 invites attention to the announcement which 

 was made on September 12, 1900, of an ex- 

 amination to be held on October 23-24, 1900, 

 for the position of assistant in the Nautical 

 Almanac Office, and desires to state that as 

 the result of this examination it is expected 

 that certification will also be made to the posi- 

 tion of computer in the United States Naval 

 Observatory at a salary of $1,200 per annuin, 

 and for similar vacancies as they shall occur ; 

 certification being made, however, of those 

 eligibles who have furnished evidence to the 

 Commission that they have had experience in 

 the use of astronomical instruments. 



A COURSE of lectures on science and travel is 

 now being given in the Field Columbian Mu- 

 seum, Chicago, at three o'clock on Saturday 

 afternoon as follows : 



Oct. 6 — 'How Plants Live,' by Professor Charles 

 E. Barnes, University of Chicago. 



Oct. 13 — 'Do Invertebrates have Consciousness? 

 by Dr. H. V. Neal, Knox College, Galesburg, 111. 



Oct. 20 — ' Wyandotte and Marengo Caves, ' by Pro- 

 fessor O. C. Farrington, Curator, Department of Geol- 

 ogy, Field Columbian Museum. 



Oct. 27 -'The Life and Death of a Tree,' by Dr. 

 Thomas H. MaoBride, State University of Iowa. 



Nov. 3 — ' Porto Eico and its People,' by Dr. Barton 

 Warren Evermann, Ichthyologist of the United States 

 Fish Commission. 



Nov. 10 — 'Mining in the Ozarks, ' by Professor 

 Henry W. Nichols, Assistant Curator, Department of 

 Geology, Field Columbian Musuem. 



Nov. 17 — 'Variation of Organisms,' by Dr. C. B. 

 Davenport, University of Chicago. 



Nov. 24 — 'Picturesque Mexico,' by Mr. P. V. 

 Collins, Minneapolis, Minn. 



We learn from medical exchanges that Dr. 

 Frances Dickinson, president of the Illinois Edu- 

 cational League, is making an eflfbrt to secure 



