— 24 — 



40) Nortons literary letter, comprising the bibliogra- 



phy of the State of New -Hampshire, No. 1 



— 2. (New- York 1860.) 



41) Natural sciences of Philadelphia reported by 



Walter F. Atlee. Recorder, Dr. Josephe 

 Leidy, Director. 1859. pag. 271—855, 1860, 

 1861 pag. 91-96. 



42) Annal report of the hoard of regents of the Sinith- 



sonian Institution showing the Operations, 

 expeditures and condition of the Institution for 

 the jear 1859. (Washington 4860.) . 



43) Researches upon the venom of the rathlesnake, by 



S. Weir Mitschell fg. D. (Washington 1861.) 



44) $)te Mineralogie in ibreu neueften ©ntbeefungen unb 



fpäffltam im 3al)re 1860 oon Dr. 91. g. $e3* 

 uarD. (©eparatabbruef aus bem (SovrcSponbenj* 

 blatt beS $oologifcfy=minera{ogt[d)en Vereins 311 fftt* 

 genöburg, 14. 3 a ^ r 3 an 9-) — ©eidjeuf beg §cttn 

 35erfaffere. 



45) Ueber bte SBerfyaltuiffc ber Temperatur unb be$ ßuft* 



brucfS £U grauffurt am Main, t>ou © 23. ©reife. 



— ©efd)cnf beS £errn SSerfafferS. 



46) 3ur ©cfd)id)te beö Magnetismus, t>on q5rofcfft>r Dr. 



<S. 23. ©reife. (SBieSbaben, 1861.) — ©ejebeuf 

 beö $ami $erfafferö. 



47) ^Dte t)tabö6fc unb fiatoen^ormatton ber %x\\ä ^alrna 



ton tti ftetfe, mit 1 £afet. (2Btc*baben 1861.) 



— ©efd>euf bes §errn 33erfaffers. 



48) Beiträge jur ©tatijtif bor inuern ^erwattuug beS 



©rofefjersogtlnimS 23abcn, 11. £cft. ©cologtjdjc 

 23e}d)rcibung ber ©egeub t>on 93abcn mit 2 geo(o= 

 giften harten. (fiarlSrufye 1861.) — ©efetyenf 

 beS fterrn 93erfaffer$, qßrofcffor Saubbcrgcr. 



