NECROLOGY. 623 



of Upsala. Born August 15th, 1794. Died February 8th, at the age of 

 eighty-four. 



Gabb, William M. Born January 20th, 1839. Educated at the 

 Philadelphia High-School, and early interested in mineralogy and palae- 

 ontology. Elected a member of the Academy of Natural Sciences, he be- 

 came a zealous student of the fossil invertebrates of the United States. In 

 1860 engaged by Professor J. D. Whitney in the geological survey of 

 California, and in 1868 commenced the work of a geological survey of the 

 lands of the San Domingo Land and Mining Compan)'. In 1873 he un- 

 dertook a similar service for the government of Costa Rica, at the same time 

 making researches into the natural history and ethnology of the country, and 

 sending valuable collections to the National Museum at Washington. Re- 

 visited San Domingo in 1876, but again returned to Philadelphia in March, 

 1878, where he died on the 30th of May, in the fortieth year of his age. 



Girard, Professor H. Known in connection with the Stassfurt depos. 

 its. Recently Director of the Halle Museum. Died April 12th. 



Griffith, Sir Richard. The oldest geologist of England. Died in 

 October, at the age of ninety-four. 



Grilbb, Thomas. A mechanical engineer, and distinguished as a prac- 

 tical optician, having constructed some of the finest telescopes in Great Brit- 

 ain. Died September 19th. 



HaileS, Daniel. Distinguished as one of the crew of Captain Nares, and 

 one of the ten who planted the Union- Jack in latitude 83 20' 26". Died, 

 a victim of the ill-fated Eurydice, off the Isle of Wight, on the 2oth of 

 March. 



Harkness, Professor Robert. Professor of Natural History in Queen s 

 College, Cork. Died October 4th, at the age of fifty. 



Hay, Arthur. Marquis of Tweeddale. President of the Zoological So- 

 ciety of London. A specialist in ornithology. Died December 29th. 



Henry, Professor Joseph. The most eminent scientist of America; 

 commenced his public career early in the present centurv, first at Albanv, 

 then at Princeton, and finally as the honored Secretary of the Smithsonian 

 Institution, which position he occupied since 1846. Distinguished for many 

 important discoveries and observations on physics, especially in connection 

 with the electro-magnetic telegraph. Born in 1 799. Died in Washington, 

 May 13th, in the seventy-ninth year of his age. 



Hermanauz, Professor C, of Vienna. Died in Japan, while on a tour 

 round the world, in connection with agricultural research. 



Hewitson, William. Well known for his publications on British Zo- 

 ology and on butterflies, and for his liberal benefactions in the interest of the 

 latter branch of natural history. 



Hoffner, Ferdinand. Editor of the Biographie Generate. Died at 

 Seine-et-Pise, May 8th, at the age of sixty-eight. 



