22(5 DR. BAIRD'S CONTEIBUTIONS TOWARDS A 



tennte, and palpi as in AmpMnome. Branchi® commencing from 

 the third segment. Dorsal cirri on each side single. Setce of 

 dorsal feet capillary, somewhat geniculate, some of them serrated ; 

 setce of ventral feet hifid, the 2>oints unequal, smooth. 



Sp. 1. Ltcarettjs neocephalicus. 



Lycaretus neocephalicus, Kinberg, I. c. p. 56, 



Hub. West Indies, Bartholomew Island, Loven &c. 



^ Genus V. Libione. 



Lirione, Kinberg, Ofvers. af Kongl. Vetensk.-Akad. Forhaudl. p. 12, 

 1867; Fregatt. Eugen. Resa, Zoologi, p. 32; Ehlers, Die Borsten- 

 wurm. p. 64 ; Cams, Handbuch der Zoologie, ii. 435. 

 Amphinome, pars, auctorum. 



Body elougate, with the segments oval and large ; cephalic 

 lobe rounded, elevated. Antennae rising from the cephalic lobe, 

 palpi from the first segment of body. Caruncle elongate. Branchiae 

 placed near the apex of the dorsal feet. Dorsal cirri, two on each 

 side. Seta all alike, hifid, smooth. 



Sp. 1. Lirione splendens. 



Lirione splendens, Kinberg, Ofvers. af Kongl. Vetensk.-Akad. Forhandl. 

 1857, p. 12; Fregatt. Eugen.-^ Resa, Zool. Annulat. tab. xi. f. 4a- 

 4x ; Cams, Handbuch der Zoologie, ii. 435. 

 Hah. Near the Island of Tahiti amongst corals, at a foot deptli, 

 Kinherg. 



Sp. 2. Lirione maoulata. 



Lirione maculata, Kinberg, Ofvers. af Kongl. Vetensk.-Akad. Forhandl. 



p. 12; Fregatt. Eugen. Resa, Zool. Annulat. tab. xi. f. 5b-5x. 

 Sab. Coast of islands near Panama, Kinberg. 



Sp. 3. Lirione Eatneri, sp. nov. (Plate IV. figs. (5, a,b.) 



Coi'pus elongato-fusiforme, utrinque attenuatum, e segmentis 

 triginta duobus seu triginta tribus constaus. Caruiicula magna, 

 sextum segmentum attingens, crista media alta laminaque laterali 

 majuscula (transverse valde plicatis) ornata. Cirri dorsales bini. 

 Tuberculi setiferi dorsales basi linea nigra circumdati. Branchiio 

 a segmento quinto orientes, breves, I'amis filiformibus, basi nigris, 

 divissp. Setpo dorsales et venti'ales conformes, apice bifido, sim- 

 plices ; setae ventrales breviores. Anns dorsalis, segmento vice- 

 simo secundo situs. Appendices anales breves, obtusse, bina'. 

 Long, uncias diias et quartam partem a^quans. 



