
168 CORRESPONDENCE. 
after their love Ne with ineir partners, frequently Diag upon them and devour- 
ing them. The ** Guide to b Study of Insects? will — chapters on the Arachnida 
and d with numerous illustrations. 
xbury.— The field lies before you at iow tide. The best ke yon 
haye are "thane exposed to you a meure. It will p impossible o F yout to dy all 
until you have mastered some of the leading mol es of zoóülogy. he best Ayes 
to commence is to select some ded is 3 37 "à e mo M ex an eoe all th 
species Doge pe < udy them th IL shits. Work P» 
tiently o ye ar; be su ei 2 Ps MP us vig gin If you choose 
the pad ied Gould 8 Invertebrata [ the bent d only guid a T. edition, of which 
will be out soon, in connection with Woo —À D: of the "Mollu sca. 12mo, Lon- 
don. Should you study the radiates, feeit side Studies, published by Ticknor 
& Fields, is the best for reference. As forthe oce and worms, their descriptions 
&re scattered through many publications, especially the Jo urnal, Proceedings and 
Memoirs of the Boston Society of Natural History. 
H. G., Detroit, Mich.— The specimens boring the hic ex 2 a pictus in the 
eden pupa and gis pry d c ge de also foun 
mn friends, as the season opens, remember that we want specimens of the Cotton Dall 
hich can be sent in 
oxes 
R. S., Waverly; N In order to € to your die à as to the locality where the 
stone used find the Indians for making arro — was ——— it will first be a 
io die species of mineral you nom oads made of, as seve 
minerals were i E use for the Pa pose T uon wheads, waar ete. 
were undoubtedly ‘made from minerals only ping Prem in "localities far distan t from the 
spot where the manufactured articles were found. The hornstone (a mottled dra 
colored stone), which was in veers re on use for arrowheads, etc., has generally been 
supposed to have been taken t. Kineo, on Moosehead e, in diay but that 
it also occurs in other vases: is idet from the fact that Prof. Wyman has m 
cabinet a stone which h he picked up ata a gravel el bank i in Cam’ bridge, i entical with the 
ral from M himen ogee of jaspe f occur in L x 
and Saugus, ie sas BE, hasta for verna ia od Dr. e ^d TEREX ad oec i 
of 1 the "Portland Society of Natural History, Vol. I, p. 165 s Su 
e Proceedin ings 
pads but "pee mes Viene men not yet been em tothis v interesting " subject to 
enable o onet e the ali he min re ised. ve zn specimens 
"NW. x) E, “Dorchester, — — The shells wine a spring are Pisidium variabile. — 
SCIE —Our subscribers February 15th) should ii e received 
their copies of een nce Geol by this time. M -— c i P grec informs us, a$ be 
have notice from € ter ced — puelle ow — receive subscriptio 
for the ** Gossip” a Mid. e 
A. 8. J., Iowa fes ~Lectres on a oe oi e Anatom and F Ph iology of V 
brate Animals. " FISHES. By Richard Owen. Soudan, 1 ongman, Brown, 
Green & Longman. 
-H B, Riches nd, Va.— Li ott & Co. , of Philade hia, have published an an E 
trated work on the Birds of aue Americ: ca, b Baird, in & Lawrence. Bu. 
4to, with one Mandro oead plates. Price Atlas sold tope for hu ilroad 
Baird's Report on the Birds of No rth America (hiath tema of ii eis ies 
Surveys) is now the standard work on Aen Ornithol re cop 
of either works. — Cooke’s Fern Book, 
SEVERAL CORRESPONDENTS have asked qu i eof Carbolic acid 
estions 
as a substitute for alcohol, etc., to which we answer va en Ao Aa acid in water alone 
will not preserve animals, but! pure Glycerine, with a very small amount of Car 
acid (say about three or four of acid to 2 oz. of Glycerine) answers admirably fo. 
some ge ena nnn t preserving most animals is alcohol is 
ction of animals put in into alco ho l (com complained of by some correspondents) 
e by the alco be put into weak alcohol 
at first (not over five sapka nee cent.), and a fi - 
be tra ! about Ali veta por . A very 
article for p i tissues of animals, and for soft. B 
bo indoor larve, etc., can be after a few expe ,of Glycerine, 
of the l, a very portion of Carbolic acid. 




