ANNELIDA. 
539 
B. The pieces composing the upper jaw placed one behind the other in rows, and 
more or less alike in form. Pinnce single, with one bundle of setae, or bifid, 
with two bundles (Eunicea prionognatlia). 
I. Pinnge single, with simple setae (^E. p. monocopd). 
1. Dorsal cirri stunted or wanting. 
a. The first pair of teeth with pincer-shaped end hooks. 
a. These alike. 
t All the teeth alike. 
§ Five pairs of teeth Aracoda (Schm.). 
§§ Four pairs of teeth Laranda (Kinb.). 
ft The first pair of teeth unlike Arabella (Gr.). 
The pincer-shaped teeth unlike .... Larymna (Kinb.). 
^ b. The first pair of teeth without pincer-shaped end hooks. 
a. With stunted dorsal cirri Notocirrus (Schm.). 
/3. Without dorsal cirri Notopsilus (Ehlers). 
2. Dorsal cini blade-like. 
a. Trager in upper jaw long, bar-shaped. 
a. Tentacles wanting CEnone (Sav.). 
/3. Three tentacles. 
t Cephalic segment covered by first segment. 
Aglauridcs (Ehlers). 
ft Cephalic segment free. 
§ Two eyes} five pairs of xmeven jagged teeth on the Trager. 
Cirrobranchia, g. n. 
§§ Four eyes} six pairs of teeth on the Trager. 
Danymene (Kinb.). 
b. Triiger of the upper jaw short, plate-like. Lysaretc (Kinb.). 
II. Pinnae bifid, with simple and compound setae {E. p. dicopd). 
Staurocephalus (Grb.). 
Ileptaceras, g. n., Ehlers, 1. c. p. 284. Head-segment with five posterior 
and two anterior filiform tentacles, two palpi, two tentacular cirri. Branchiae 
from the first pinna } the first simple, filiform } those at a distance with 
spirally set threads. Dorsal cirri leaf-like. H. phyllocirrum — Diopatra 
phyllocira (Schmarda). 
Diopatra teres, sp. n., Ehlers, 1. c. p. 203, Sidney. 
Onuphis tubicola (0. F. M.). Ehlers describes and figures this Annelid. 
Deferring to Malmgren’s genus Jlyalincecia, he says, “I see no pressing occa- 
sion for it,” 1. c. p. 290. — O. sieida, Quat., is quoted as a synonym. 
Onuphis pancerii, sp. n., Claparede, 1. c. p. 128, pi. 8. fig. I. 
Hyalincecia rigida, sp. n., Claparede, 1. c, p. 131, pi. 8. fig. 2. 
Eunice rubrocincta, sp. n., Ehlers, 1. c. p. 344, Taf. 16. figs. 4-14, Quarnero} 
E. limosa, sp. n., Ehlers, /. c. p. 348, Taf. 16. figs. 16-22, Quarnero. * 
Eunice cingxdata, sp. n., ClaparMe, 1. c. p. 134, pi. 7. fig. 1. 
Marphysa jloridana, sp. n., Pourtales (vide suprh, p. 638), I, c. p. 108, off 
Sand Key, 100 fathoms } M. tibiana, sp.n., Pourtales, 1. c. p. 108, off Havana, 
270 fathoms } M. antipathum, sp. n., Pourtales, 1. c. p. 109, with last species. 
Lysidice margaritacea, sp. n., Claparede, 1. c. p. 143, pi. 8. fig. 3. 
Nematonex'eis oculata, sp. ii., Ehlers, 1. c. p. 874, Taf. 16. figs. 19-22, Quar- 
nero. 
Lumbriconex'eis filum, sp. n., ClaparMe, 1. c. p. 144, pi. 10. fig. 1. 
