ANNELIDA. \ 547 
but ho for the present promulgates no new theory, and does not give his sup- 
port to any of the old ones. 
Dodecaceria coiicharuniy CErst., and Sabella saxicava, Qtrf., are also de- 
scribed by Dr. McIntosh in connexion with this subject. 
Terebellea. 
Heteroterehella sanguinea^ sp. n., Olaparede, 1. c. p. 388, pi. 30. fig. 1, and 
pi. 29. fig. 3. 
Terehella Jlavescens, sp. n., Olaparede, 1. c. p. 398, pi. 23. fig. 6 ; T. vestita, 
sp. n., Olaparede, I, c. p. 397, pi. 11. fig. 4; T. Icevirostris, sp. n., Olaparede, 
/. c. p. 399, pi. 11. fig. 6 ; T. sidciget'a, sp. n., Olaparede, /. c. p. 400, pi. 18. fig. 5. 
Heterophenacia nucleolata, sp. n., Olaparede, 1. c. p. 401, pi. 18. fig. 8. 
Tolgcirridoi. Olaparede {1. c. p. 405) admits the following genera, and 
thus arranges them : — 
A. The pharetrae ” setigerous, and tori uncinigerous. 
a. Oncial disks avicular. 
a. Dorsal bristles to the extremity of the body. 
Apiilebina, Qtrfg. 
{ApncwiKxa, Qtrl’g. ; Polycirrm, Mlnigr.) 
/3. Dorsal bristles in the anterior region only. 
I’oLYcmnus, Grube, no7i Mlmgr. 
(Leucariste, Mlmgr. ; Preutho, Mlmgr.l 
b. Oncial disks siiblinear, aciculiform. Amcea, Mlmgr. 
13. Pharetrae {rafne dor sale) dorsal. No oncial disks. 
Lysilla, Mlmgr. 
Pohjcirrus calmidriim, sp. n., Olaparede, 1. c. p. 408, pi. 29. fig. 2. 
Phcnacia amhigrada, sp. n., Olaparede, 1. c. p. 402, pi. 18. fig. 6j P. retro- 
grada, sp. n., Olaparede, 1. c. p. 403, pi. 18. fig. 7. 
Serpulea. 
Branchiomma Jcollikeri, sp. n., Olaparede, 1. c. p. 423, pi. 22. fig. 4. 
Laonome salmacidis, sp. n., Olaparede, 1. c. p. 427, pi. 24. fig. 4 (an her- 
maphrodite species). 
Dialychone, g. ii., Olaparede, 1. c. p. 429. Sabellidoe regione thoracica 
hamis mnnubrio longo armata insignes; branchieo membrana palmari pin- 
nisque dorsualibus omnino destituta3. Oollare integrum. This genus is near 
Chone, Kroy., and Eachone, Mlmgr. D. acustica, sp. n., Olaparede, /. c. 
p. 430, pi. 30. -fig. 3. 
Psygmobranchus multicostatus, sp. n., Olaparede, 1. c. p. 436, pi. 30. fig. 6. 
Salmacina, g. n., Olaparede, 1. c. p. 436. Serpulidse membrana thoracica 
instructoe, branchiis sequalibus basi circulari, operculo destitutis. Segmentum 
thoracicum primum utrinquo fasciculo setarum dorsualium sequentibus multo 
majorum, formaque distinctarum munitum. Tubus calcareus. S. incrustans, 
Olaparede, 1. c. p. 438, pi. 30. fig. 5, = ? Scrpula intricata (Linn.), Grube. 
Protida dysteri, IIux., may probably be referred to this genus. 
Eupomatus lunulifer, sp. n., Olaparede, 1. c. p. 441, pi. 31. fig. 3. 
Pileolaria, g. n., Olaparede, 1. c. p. 443. Serpulidae membrana thoracica 
munitae, branchiis paucis ; operculo compresso, calcareo, dentato. Tubus 
cretaceus, spiralis. P. militaris, sp. n., Olaparede, 1. c. p. 444, pi. 16. fig. 6. 
