TY  - BOOK
AU  - Barnes,Robert D.
TI  - Invertebrate zoology 
SN  - 0030567475
U1  - 592 
PY  - 1980///
CY  - Philadelphia
PB  - Saunders College
KW  - Invertebrates
N1  - The protozoa;
Origin and evolution of the metazoans;
The sponges;
The cnidarians and ctenophores;
Coral reefs;
The flatworms;
The nemerteans;
The aschelminths;
The mollusks;
The annelids;
Introduction to the arthropods; the trilobites;
The chelicerates;
The crustaceans;
Uniramian arthropods: onychophorans and myriapods;
The insects;
Some lesser protostomes;
The lophophorates;
The echinoderms;
The lesser deuterostomes


ER  -