716 
ZOOLOGICAL LITERATURE. 
Family 1. APHRODITEA (15 genera). 
I. Elytra only dorsal. 
A. Elytra confined to a portion of tlie feet. 
a. No dorsal cirri 1. Pholo'e. 
b. Dorsal cirri. 
* Dorsal cirri alternating with the elytra, 
a. Jaws none or rudimentary. 
a. Hairs on the feet 2. Aphrodite. 
ft. No hairs on the feet. 
** 3 antennae 3. Herniione. 
tt 2 antennae 4, Milnesia. 
/3. Jaws corneous. 
a. 4 antennae 5. Polyodontes. 
ft. 3 antennae. 
** Pseudobranchial tubercles 6. Aco'etes, 
tt No pseubranchial tubercles. 
1. Elytra all along the body 7. Polyno'e. 
2. Elytra leaving the posterior part 
of the body naked 8. Lepidonotus. 
c. 2 antennae 9. Iphione. 
t Dorsal cirri on all the feet. 
a. Elytra covering the whole body. 
a. 3 antennae 10. Sthenelais. 
ft. 2 antennae 11. Sigalion. 
c. 1 antenna 12. Psammolyce. 
/3. Elytra leaving the posterior part naked . 13. Hemilepidia, 
B. Dorsal cirri on all the feet 14. Peloyenia. 
II. Elytra dorsal and abdominal 15. Gastrolepidia. 
Genera iNCERTiE sedis 2 : Ilermenia, Bumolphe. 
Family II. PALMYREA (4 genera). 
I. Somites not numerous. 
A. Feet biramose. 
a. 1 antenna 1. Palmyra. 
b. 3 antennae 2. Chrysopetalon. 
B. Feet uniramose 3. Paleanotus. 
II. Somites numerous 4. Bhaivauia. 
Family III. EUNICEA (4 genera). 
I. Antennae 5. 
A. Tentacles 1. Eunice. 
B. No tentacles 2. Marphysa. 
II. Antennae 7. 
A. Tentacles 3. IHopatra. 
B. No tentacles 4. Onuphis. 
FamUy IV. LUMBRINEREA (8 genera). 
I. Antennae wanting. 
A. No dorsal cirrus 1. Lomlrinerds* . 
Lumbriconercis, Blainville. 
