82 DB. BATED ON TUE APHRODITACEA. 



Genus III. Panthalis, Kinherg, I. c. p. 386. 



Cephalic lobe tripartite on anterior margin ; central teeth of 

 jaws contiguous ; peduncles of eyes of the same length as that of 

 tentacle, and occupying the anterior portion of cephalic lobe. 

 Elytra 39 pairs ; the anterior flat, covering the back, inversely 

 imbri^cated ; the remainder campanulate, imbricated posteriorly, 

 and leaving the middle of the back uncovered. 



Sp. 1. Panthalis Oebstedi, Khiberg, I. c. p. 387, and in Fregatten 

 Eugenies Resa, p. 25, tab. 6. figs. 34, S-Aa-S^h, tab. 10. fig. 60. 

 Hah. West coast of Sweden, Kinherg. 



Sp. 2. Panthalis gkacilis, Kinherg, Fregatten Ftigenies Besa, 

 p. 26, tab. 10. fig. 61. 

 Hah. Near E-io Janeiro, Kinherg. 



Genus IV. Poltodontes. 

 (JRenieri) Blainville, art. Vers, Diet. Sc. Nat, torn. Ivii. p. 461. 

 Elytra very small, not covering the back, alternating with 

 dorsal cirri ; jaws large and horny ; no antenuge ; no tentacle ; 

 palpi long ; eyes 2, peduncled. 



Sp. 1. POLTODONTES MAXILLOSL'S. 



Phyllodoce maxillosa, Ranzani, Mem. St or. Nat. Bologna, 1820, p. 1, 



tab. 1. figs. 2-9. 

 ^Hah. Adriatic Sea, Ranzani. 



Sp. 2. PoLYODONTEs QVLO, Riippell ; Gruhe, Arcliiv fur Naturg. 

 1855, p. 90. 

 Hah. Eed Sea, Riijppell. 



Family V. SIGALIONIDiE. 



(Sigalionina, Kinherg, Z. c. p. 387.) 



Body long, narrow ; no facial tubercle ; cephalic lobe rounded. 



Eeet, in anterior segments, provided with either an elytron or a 



dorsal cirrus ; in posterior segments, feet provided with both 



elytra and dorsal cirri. 



Genus I. Siqalion. 



Sigalion, Audouin 8f Edwards, Hist. Nat. du Litt. de la France, ii. 



p. 3 (not Kinherg). 

 Sthenelais, Kinherg, I. c. p. 387. 

 Cephalic lobe rounded, having on its mesial portion, which is 



