TY  - BOOK
AU  - Pratt, Henry Sherring
TI  - A manual of the common invertebrate animals: : exclusive of insects 
U1  - 593 
PY  - 1935///
CY  - Philadelphia
PB  - P. Blakiston's Son & Co.
KW  - INVERTEBRADOS
KW  - PROTOZOOS
KW  - PORIFERA
KW  - COELENTERATA
KW  - CTENOPHORA
KW  - PLATELMINTOS
KW  - NEMERTINOS
KW  - BRIOZOOS
KW  - BRACHIPODA
KW  - CHAETOGNATHA
KW  - ANELIDOS
KW  - ARTROPODOS
KW  - ARACNIDOS
KW  - MOLLUSCA
KW  - EQUINODERMOS
KW  - CHORDATA
ER  -