720 
ZOOLOGICAL LITERATURE. 
Family XIII. PHYLLODOCEA. (2 tribes, 12 genera), 
I. Eyes of ordinary size (Tribe Phyllodocea prop. 
A. Feet uniramose. 
a. Antennae 6. 
* Tentacles 10 . . . . . . 1. Kinhergia. 
t Tentacles 8 2. Etilalia. 
§ Tentacles 6 3 Eracia. 
b. Antennae 4. 
* Tentacles 8 4. Phyllodoce. 
t Tentacles 6 6. Carobia. 
§ Tentacles 4 6. Eteone. 
J Tentacles 2 7. Lugia. 
c. Antennae 2 8. Macrophyllum, 
B. Feetbiramose 9. Notophyllum. 
II. Eyes very large (Tribe Phyllodocea Aleioped). 
A. Feet bearing two glandular organs 10. Alciope. 
B. Feet with a single glandular organ. 
a. Antennae 6 11. Krohnia. 
b. Antennae 0 12. Torred. 
Genera iNCERTiE sedis 2 : Eumeniaj Liocope. 
Family XIV. GLYCEREA (3 genera). 
I. Feet biramose. 
A. Rami approximate 1. Glycera. 
B. Rami distant ....... . 2. Goniada. 
II. Feet uniramose 3. Semipoda. 
Genera incert^e sedis 2 ; Glycinide^ Proboscidia. 
Family XV. POLYOPHTHALMEA (1 genus, Polyophthalmm). 
Family XVI. CH^ETOPTEREA (1 genus, Chcetopt&n'us). 
Genus incert.® sedis ; Spiochcetopferus. 
Family XVII. TOMOPTERIDEA (1 genus, Tomopteiis). 
Family XVIII. OLYMENEA (2 tribes, 10 genera). 
• I. Body in three regions (Tribe C7ymmea^rop.), 
A. With an anal funnel. 
a. No respiratory caeca. 
* Cephalic plate developed 1. Clymme. 
* Cephalic plate none, or rudimentary ...... 2. Leioccphalus. 
b. Respiratory caeca present 3. Johnstonia. 
B. With an anal plate. 
a. With a cephalic plate 4. Maldane. 
b. No cephalic plate 6. Petaloproctus. 
C. Neither plate nor funnel 6. Ammochares. 
II. Body in two regions (Tribe Clymenea degrad.). 
A. Head truncate 7. Clymenidia. 
B. Head not truncate, 
a. Head acute. 
* Posterior region with simple setae 8. Arenia. 
