694 NATURAL HISTORY MISCELLANY. 
color when first taken, then turns red, and lastly black; is one of the best 
of the southern table fishes; weight, from four to sixteen pounds. 
Crab-eater, Sergeant fish (Elacate Atlantica Cuv.). Family of Scom- 
bride, or mackerels; found along the shores of the inlets, where it lurks 
for prey among the mangrove roots; very voracious; takes clams or 
mullet bait; color, Silvery, with a black stripe along the sides; hence its 
local name of Sergeant fish; the under jaw longer than the upper; weight 
up to twenty pounds; a good table fish, though inferior to the former. 
hiting or King-fish ( Umbrina alburnus DeKay). Shaped like a perch, 
double dorsal with strong spines; color, gray and black above, yellowish 
white beneath; mouth and teeth small; bottom fish of deep water; takes 
clam bait; very good table fish; weight, from one to two pounds. 
Croker (Micropogon undulatus Cuv.). A southern fish of the perch 
family; in form, deep like the sheepshead; color, silvery; takes clam 
bait eagerly; weight, from one to two pounds; a good table fish. 
og-fish, Sailor's Choice (Hemulon Julvomaculatum Mitchell). Shaped 
like the last; a good pan fish; weight, from half a pound to a pound; 
takes clam bait on the bottom. 
Cat-fish, of the salt-water (Galeichthys marinus DeKay). Handsomer in 
fi 
of the perch family, much resembling in appearance and habits the black 
bass of the western waters, except that it has a larger head and mouth, 
and grows to a larger size, say to twelve or fifteen pounds. It takes live 
bait, spoon or bob, which is a bunch of colored feathers with three hooks 
concealed among them. 
Besides the above fishes, these waters contain blue fish, Spanish 
mackerel, beluga, mullet, Jew fish, drum, sha l, lady fish, porpoise, 
sharks, saw fish, sting ray, the hawk's bill turtle, the soft-shelled turtle, 
the green turtle, clams, oysters and crabs, of various kinds.— S. C. 
CLARKE, 
GEOLOGY. 
Discovery or LOWER CARBONIFEROUS FOSSILS ON THE Rro TAPAJOS. — 
Iam just returning from a very interesting and profitable trip up the Rio 
able. Of the Brachiopods I have some magnificently preserved speci- 
mens, showing interiors. I am going back to Pará to give up my little 
Stea divide up my party. I then return to the Tapajos with a 
very small party, including a photographer, to examine more carefully, 
