Geology and Natural Hisiory. 229 
“gs sa Stee and three Devonian—from Canada West 
Yr . . . ’ 
aa - eae or regarding these coral-like fossils as caleare- 
13. Deserizione Geologica dell’ 
: , ogica dell Isola d Elba, per sevire alla 
Sata ores ates di Ietro Cocca, Presidente del R. Comitato 
ome gl 2 ‘ hee _172_ pp. 4to, with many plates. Firenze, 
a. Sea occhi in this memoir describes at length the geolog- 
hoy of this most famous of iron-bearing lands, gives 
cok s facts respecting its productions, and illustrates the subject 
a pues geological map of the islan 
é sae ges estes Palinurus vulgaris, in the Brighton 
i e tank containing the Spring Lob ‘ 
g pring Lobster or Sea Cra 
lish, Palinurus vulgaris, at the Brighton Aquarium, No, 26, A 
trati foes , 
Se interesting stage of their development, are xhibite 
ypical invertebrate series in the Royal College of Surgeons. 
t excluded from the 
a inch in total length, 
valine ci Pda in their tank are, on account of tb i 
 berried - soins only visible on the closest inspection. The 
Oe tad n posers this large brood of young was added to 
teamino 3 on about a month ago, An adjoinin tank, 
¢ in a similar manner with the young of the Common Lob- 
, July 17. 
seas Myriapods. Mission Scientifique au Mexique, etc., 
Sixiame P ae ié par ordre du Ministre de l’Instruction Publique. 
eis ae ie, 2de section: Etudes sur les Myrvap par MM. 
Boutcn: AUSSURE ‘A. Humpern 212 pp. 4to, with 6 plates.— 
s de Saussure and Humbert have made in this work, as in 
‘mportant contribution to 
ir on Mexican Myri- 
d to that the pence 
i there given. The present volume 
discusses the classification and fundamental characters of Myria- 
* 
