Geology and Natural History. 445 
we should be sorry to believe that the distinguished lecturer was 
responsible, ¥, 
18. Our Common Insects. A popular account of the Insects of 
our fields, forests, gardens and houses ; by Dr. A. 8. Packarn, Jr, 
12mo, with numerous illustrations. (Naturalists’ Agency, Salem, 
M ass.) —Although this is, as stated in the preface, mainly a reprint 
of various essays that have appeared in the American Naturalist, 
and elsewhere, it forms an attractive little volume, which will 
prove useful and interesting to those who are beginning the study 
19. Ophiuride und Astrophytide, new and old ; by THEODORE 
Lyman (Bulletin of the Museum of Comparative Zoology, vol. iii, 
No. 10). 8vo, with 7 plates. Cambridge, Mass., Feb., 1874.—This 
museum, collected by Prof. C. Semper in the East Indies; 3d, a 
discussion of the homologies of the chewing apparatus in MY ssh 
uran : 
20, i 
Sciences. Vol. ii, part 2, New Haven, December, 1873.—This con- 
tains the following papers: On the direction and 
With the fall of rain and snow, at Wallingford, Conn., by B. F. 
The early sta ft lobster, 
ges of the American lobster, by 
of geometrical representation of the thermodynamic ge of 
substances by means of surfaces, by J bs. oe 
New genus Euchondria Meek.—Mr EK states, 
ter to one of the editors, that he propo J 
Euchondria for Pecten neglectus of Geinitz, on account of its pe- 
culiar hinge as illustrated by figure 7e¢, plate xxvi, 
the Illinois Geological Report. 
