34 DR. BAIRD ON THE APHRODITACBA. 



Sp. 5. SiGALiON Blanc HABBi. 



Sthenelais Blanchardi, Kinberg, Fregatten Eugenics Resa, p. 28, tab. 8. 



figs. 37a-37h. 

 Hab. Valparaiso, Kinberg. 



Sp. 6. SiGALioN OCULATUM, Peters, MonafsbericJit Ahad. Wissen- 

 schaft. Berlin, 1854, p. 610 ; Arch, fur Naturg. 1855, p. 38. 

 Sthenelais oculata, Kinberg, Fregatten Eugenies Resa, p. 29, tab. 8. 



figs. 39, 39b-39h. 

 Hab. Mossambique, Peters. 



Sp. 7. SlQALION LJilVE. 



Sthenelais la^vis, Kinberg, Fregatten Eugenies Resa, p. 29, tab. 8. figs. 



40, 40b-40g. 

 Hab. Island of Eimeo, Pacific, Kinberg. 



Sp. 8. SiGALioN LiMicoLA, Wilers, Borstenwilrmer, i. p. 120, tab. 

 4. figs. 4-7, tab. 5. figs. 1-10. 

 Hab. Quarnero, Adriatic, Ehlers. 



Sp. 9. SiGALION AECTUM ? 



Aphrodita areta, Dalyell, Powers of Great, ii. p. 170, tab. 24. fig. 14. 

 Hab. Coast of Scotland, Dalyell. 



tSp. 10. ? SiGALION PERGAMENTACEUM, Grube, Anuulata Oerstedi- 

 ana, p. 24. 

 Hab. Santa Cruz, "West Indies, Oersted, 

 G-rube refers this species, with doubt, to the genus Sigalion. 



Sp. 11. Sigalion Blainvillii, Costa, Ann. Sc. Nat. 2nd series, 

 xvi. p. 269, tab. 11. figs. 1, la-Id. 

 Hab. &ulf of Naples, Costa. 



Genus II. Thalenessa. 



Sigalion, Kinberg, non Aud. ^ Edwards. 



Cephalic lobe broad anteriorly; no tentacle; antennae two, 

 very short, placed on the anterior margin of the cephalic lobe ; 

 eyes 2, distant ; compound setae bidentate ; simple setae serrate ; 

 elytra covering the back, with ramose fimbriae on the margin. 



Sp. 1. Thalenessa Edwardsi. 



Sigalion Edwardsi, Kinberg, I. c. p. 387j and in Fregatt. Eugen. Resa, 



p. 30, tab. 9. figs. 41, 41 a-41 h, t. 10. f. 63. 

 Hab. Sea off the mouth of the Eiver Plate, South America, 



Kinberg. 



