ge Re ee ay een Paes ear aaa 
Botany and Zoology. 423 
the siphons in ik prcorage extends beyond the shell; it is ed 
illate, and provi with eyes which have the pow er of disti 
guishing light ae darkness, as the siphons are suddenly with- 
drawn, when a shadow is cast. upon them.” 
Philadelphia, 24th and Sharswood Sts., March 9, 1870. 
11. Report on the Invertebrata of Saye Sees ae mf gin agree- 
ably to an order of the Legislature. Secon , comprising 
the Mollusea; by Aveusrus A. Goutp, M Ds 
have even been much greater than ems " this instance, o 
The t Sake and ‘aatvetions of the book are excellent and 
do credit both to the State and the editor, as well as to the artists, 
The wood-cuts, of which there are pita have nearly all been drawn 
from nature by Mr. E. orse, whose rare artistic talent and 
cen piel 8 of the atte} have enabled him to produce 
that are unequaled in accuracy. The drawings have been 
most ‘faithfully jente rodused by the engraver, Mr. Henry Marsh, 
whose skill contributed so largely to the value of Harris’ Report 
on Insects. The accuracy and beauty of the cuts makes us regret 
that a portion . the labor had not been expended upon the hinges 
and interior parts of the bivalves, lingual dentition and opercula of 
the Gasteropods, Sih other parts, which are of far greater impor- 
tance Fevers mere external views, no matter how accurate, 
welve plates are, with one exception, printed in colors ae 
illustrate well the Nudibranchs, Ascidians, Cephalopods and so 
e Pteropods. The Bryozoa and all the I alinaes and grit 
tains are omitted from this edition, which was undoubtedly the 
wisest course, for these groups, which were Aggy ted pa tac: 
represented in the first edition, have now been so numerously co 
poted and become so well known eigs at least another a the 
tions, which pan been awed o various scraps The Be 
ures are, however, mostly very ¢ Some cea ie drawn 
from life by Mr, Burkhardt, have been soneributed by Prof. Agas- 
