218 DK. uaibd's co>'tuibutions towards a 



toothed or serrated, are fewer iu number aud are much lai'ger 

 than those of the dorsal row. 



Sp. 2. Amphinome vagans. 



Terebella vagans, Leach, MS. (fide Savlgny). 



Pleione vagans, Savigny, Syst. des Atmelides, p. 60. 



Amphinoma vagans, Blainville, Diet. Sc. Nat. art. Vers ; Audouin S)- 



M.-Edwards, Littoral de la France, ii. 122. 

 AmphinoDie vagans, Grube, Fumil. der Annelid. 41 & 122; Kinberg, 



Of vers. Kong. Vetensk.-Akad. Forhand. 1857, p. 12; Fregatt. Eugen. 



Resa, Zoologi, tab. xi. f. G ; Quatrefages, Hist. Nat. des Anneles, i. 



403. 

 Hah. South Atlantic Oeeau, lat. 5° S., loug. 50° W., Kinherg. 



Sp. 3. rAMPiiiNOME Pallasit. 



Pleione tetraedra, M.-Edwards, Cuvier, Regn. Anim. ed. Crock, tab. 8 bis. 

 f. 1, 1 a. 



Amphinome tetraedra, Valenciennes, MS. Coll. dii Mus. fide Quatrefages. 



Amphinome Pallasii, Quatrefages, Hist. Nat. des Annele's, i. 394. 



Hah. The Azores and West Indies, Quatrefages. 



The chief differences between this species and A. rostrata ap- 

 pear to be the form of the branchiae, which are divided into four 

 or five separate branches, each rising from a particular root, and 

 the shape aud appearance of the caruncle. 



Sp. 4. Amphinome Luzoni^. 



Amphinome Luzonite, Kinberg, Ofvers. af Kong. Vetensk.-Akad. For- 

 handl. 1857, p. 12; Fregatt. Eugen. Resa, Zoologi, Annulat. tab. xi. 

 f. 1 a-l X. 

 Hah. West coast of Island of Luzon, Werngren fide Kinherg. 



Sp. 5. Amphinome Jtjkesi, sp. nov. (Plate IV. figs. 2«, h.) 



Corpus utrinque attenuatum, quadratum, e segmeutis 50 con- 

 stans. Caruncula parva, cordiformis. Tentaculum breve, latum. 

 Branchiae parva?, ramis subnumerosis. Setae pedum dorsalium 

 capillares, subulatae, simplices. Setae pedum ventralium breves, 

 crassse, simplices, apice incurvato, obtuso. 



Long, tres uncias aequans. 



Hah. Raiue's Islet, North coast of Australia, J. B. Jukes {Mm. 

 Brit.) ; ? Chiua (iu bad condition), T. Lay, Esq. {Mus. Brit.). 



Worm about 3 inches in length, consisting of about 50 seg- 

 ments ; of a quadrate shape, aud narrower at each extremity. 

 Caruncle small, heart-shaped. Tentacle short, flat and rather 

 broad. Branchiae small, of very shoi-t but rather numerous rami- 

 fications. Skin of the ventral surface of body coarsely Avrinkled. 



