268 Correspondence of J. Nickles. 
Gobel ip sy sevam on the Anatomy of Actinia. p. 1 
Owen, my of the Wart-Hog. (Proceed. Zool. Soc.) p. 2 
ary oe oq Faw aden of ne Frog and Toad without the jctrnelis stage 
f Tadpole. p. 
Husley, On ie identity of Structure of Plants and Anim 
risp, On so ee nts relating to the structure and caret of the Wolf-fish 
hi 
us 
, Not ws hore ital gland of the Nylghan. (Proceed. Zool. Soc.) 
oto On the Biasturs of the teeth of the American and Indian Roget (Ibid.) P. 4 j 72 
Jenyns, On the reproduction of Frogs and Toads without the 
Tadpole. ” 480, 
MeDonald, Observations on the Antenne in a small species of Crustacean. p. 488. 
Puttosopai¢a, Transactions, 1852, [Received in 1853.] 
Jones, Di every that the oe of the Bat’s Wing (which are furnished 
with valves) a e endowed with rythmical contractility, and that the onward flow 
of the blood is accelerated by eich contraction. p. 1 
Liem oxe Emébleton, On the Anatomy of Doris. Ro 
grass On the Devel opment a the ductless monde of ne Ghicke p- 295. 
son, The reproduction of the Ascaris m p. 5 
Wins, On the Blood sae and Otivlanuadile fluid of Invertebrate Animals. 
p. 5 
Tue TRANSACTIONS OF THE Linnzan Soctery, vol. xxi, p. 1. 
Blackwall, Experiments and Observations on the poison of Animals of the order 
Araneidea. 
New, snp The Anatomy and Development of certain Chalcidid and Ichneumonide, 
mpared with ge Special os my and Instincts; with descriptions of a new 
ome and species of Bee-para 
—— Further teats s on the peneee Anthophorabia. 
Menorrs or THE American Acapemy or Arts anp Scrences. New Series, vol. ¥, 
Part 1, 1853. 
Burnett, Researches on the Origin, Mode of Development, we sae of the 
Spermatic particles among the four classes of the Animal Kingdo 
Smarnsonian Contrisutions To Knowrener, vol. v, 1853. 
Zeidy, A Fauna and Flora within living Animals. 
Wonnk laNatonty of the Nervous System of Rana pipiens. 
The A Stegercrge of the pape | of Nat. Sci. Philadelphia, and of the Boston Soe, 
Nat. Hist., ontaie Sonsiantl yv Mas pe contributions in ie my and Phys 
ology, ar ay ven in fu er part of each No. of this Jour 
— 
Art. XXIX.— Correspondence of M. J. Nicklés, dated June 30, 1853. 
Chemical Researches on Dyeing.—In the ninth memoir of M. Chev: 
reul on dyeing, communicated recently to the Academy of Sciences, 
no 
attention of this learned chemist for nearly half a century, has has been ob- 
served by him in connection with bea fixation of coloring subse? 
which combine chemically with tissu 
_ After showing that several of the gE oy of mortars, such as 
gavel, the coarse sand of the Seine, burnt brick, ele, communicate ‘° 
