464 Scientific Intelligence. 



solution of uroxanic acid was really glyoxalylurea, as as 

 Medicus acted upon it wi re, which wot 



it into urea and glyoxalic acid, and then would decompose 



' oxalic and acetic acids. The products 

 and proved to be those mentioned. Hence the author 



proved his formula for 



Glyoxalylurea is CO^ "i and uroxanic acid is 



COOH 



NH- C(OH) NH 2 . 



CO' I CO. 



N NH— C(OH) = NPI^ 



— Ber. lierl. Chem. Ges., x, 544, April, 1877. a. ». b. 



9. On, two new Alkalnh/*, Strnp/ufHtinc and rneine.—ll.^hx 

 and (i uxors have examined the poison variously known as inaye, 

 onave. gombi, etc., extracted in Africa from the seeds of Strophan- 

 tus /.■/.- / ^///x. ;i clinihiii-- plant belonging to the Apocyneae. 

 Frascr c\ I m,m it an active ex- 

 tract, to the alkaloid in which he u'ave t lie name s: , 



The authors have succeeded in preparing this body <: 

 and have shown that it arrests the action of the heart, the ven- 

 tricles being in systole. From the tufts about the seeds, they 

 have also obtained a second alkaloid which they call ineine. 

 Bull. ,w. r/,„ II, x ,vii. J47. March, 1877. &• *• b. 



10. Occurrence of Co rr ■ ,- ■„ .<»,, , t/„ 111 / ./ UV ' ' >• - 



m //-.—< : . ; /. i iving I .in inerate the blood of a rocbu 



in the woods, and to analyze the ash, v, as >urpi iscd to detect in it 

 an appreciable quantity of copper. Fearing that it me. 

 e_nt< '■■ \hy ttn-i.l- nf during hi- op, rath-n^ h. rep, ;ited the analy- 

 sis on the blood of another buck, t rations. The 

 result was the <ame, the ryM) grains of bio., i 

 grams of copper oxide, li mu-t h.i\ . . \ : -i i i-itl r- 



•>d by the animal or in the water which he drank. — Bull. 

 Soc. Oh., II, xxvii, 196, March, 1877. g. r. b. 



11. Is Glass impervious to Gases f— Professor G. Quincke has 

 tried to force hvdrogen and carbonic acid, by pressures of from 

 40 to 120 atmo.phcn-. 'hrou-h ., -j: t ~> uall 1 "■". mm 



and to determine by the Ioss°of weight, the quant.it v of gas that 

 had passed through during seventeen years. 

 One leg of a V-shaped glass .■ . ' as a capillary tube of _300 



• . ■ ; ■ 



the middle and open above, 150 mms. long, 8 mms. ii 



and 1-5 mms. thick. Into the open 1-- a d-.p of qui -ksilvi-r was 

 p»t; upon this dilute sulphuric acid ua- pmivd: into the upper 

 pan some -1 t .-t /'.:.■ was push,. I, which was kept from contact 



