1 2 Verm, 
VERMES. 
II. —Palpi fused, prominent. Pharynx straight, no teeth. 
Ventral cirri present. 
a. 2 antennae 
1. Oophylax. 
b. 3 antennae 
a No tentacular cirri 
2. Exogone. 
i8 2 pairs of tentacular cirri 
3. Grubea. 
7 1 pair of tentacular cirri 
aa. Head and buccal segment fused. 
4. Sphcerosyllis. 
bb. Head and buccal segment distinct 
5. Pcedophylax. 
c. 4 antennae 
6. Cysionereis. 
No ventral cirri. 
a. 1 antenna 
7. Spermosyllis. 
b. 2 antennae 
8. Microsyllis. 
c. 3 antennae 
9. Exotocas. 
III. — Palpi fnsed ; no pharyngeal teeth. Autolyteod. 
A. Ventral cirri. 
a. Antennae and dorsal cirri club-shaped 1. Eurysyllis. 
h. Appendages club-shaped. 
a Pharynx straight, short 2. AnoplosylUs. 
$ Pharynx coiled, long 3. Heterosyllis. 
B. No ventral cirri (^Autolytece, s. str.). 
a. Buccal segment with two pair of tentacular 
cirri, but no dorsal appendages, 
a Dorsal cirri filiform. 
aa. Dorsal cirri : i. & ii. longer 4. Autolytus. 
bh. Dorsal cirri : i. ii. & iii. longer 6 . Procercea. 
Dorsal cirri foliaceous 6 . Myrianida. 
h. Buccal segment with a pair of dorsal ap- 
pendages, and two pairs of ten- 
tacular cirri 7. Virchoioia. 
Of these, Syllis is divided into four subgenera : IlaplosylHs, I'yposyllis, 
Ehlersia, and Syllis ; E. rosea (p. 638), and E. simplex (p. 538) are new 
species. 
Opisthosyllisy g. n. (p. 641). 0. hrunnea (p. 541), and 0. viridis (p. 643), 
spp. nn. 
Pionosyllis weismanni (p. 546), sp. n. 
Opisthodonta, g. n. (p. 647), 0. morena. 
Eusyllis kuppferi^ sp. n. (p. 662). 
TrypanosylUs ceolis^ sp. n. (p. 558). 
Amhlyosyllis madeirensis and A. immatura are probably already 
described species (p. 561). 
Sphcerosyllis ovigera, sp. n. (p. 567). 
Pcedophylax insignis, sp. n. (p. 670). 
Procercea fasciata^ sp. n. (p. 581). 
Virchowia, g. n. (p. 582) : F. clavata. 
Th^el (66) describes as new : — 
Polynoe borealis^ sp. n. 
Bylgia^ g. n. “ Lobus cephalicus antice in prominentias non productus. 
