100 DR. W. BAIRD ON THE GKPHYREA. [Feb. 13, 



Rhyng. in I. c. p. 766, 1859 ; Quatrefages, I. c. ii. p. 630, 1865 ; Ke- 

 ferstein, Beitr. in I. c. p. 209, 1865. 



Lanceola, Blaiiiville, Diet. Sc. Nat. Ivii. art. Vers, p. 553, 1828. 



1. AnOPLOSOMATUM .TJTRICULUS. 



Anoplosomatum uiriculus, Grube, Actin. Ecbin. Wiirm. Adriat. 

 p. 48, t. 1. f. 3, 1840 ; Diesing, Syst. Helminth, ii. p. 69 ; Revis. d. 

 Rhyngod. in I. c. p. 766, 1859 ; Quatrefages, I.e. ii. p. 631, 1865. 



Hab. Mediterranean, near Palermo {Grube). 



2. ? Anoplosomatum paretti. 



Lanceola paretti, Blain. I. c. art. Vers, 1828. 



Anoplosomatum paretti, Diesing, Syst. Helm. ii. p. 69, 1851 ; 

 Revis. d. Rhyngod. in I. c. p. 77&, 1859 ; Quatrefages, /. c. ii. 

 p. 631, 1865. 



3. Anoplosomatum antillense. 



Anoplosomatum antillense, Steenstrup, Keferstein, Beitr. in I. c. 

 p. 209, 1865. 



Hab. St. Ian, West Indies {Prosch, Suenson, fide Keferstein). 



1 Genus 3. Diclidosiphon. 



Dididosiphon, Diesing, Revis. d. Rbyngod. 1859. 

 Sipunculus, sp., Lesson, Quatrefages. 



Diclidosiphon lumbriciformis. 



Sipunculus lumbriciformis, Lesson, Cent. d. Zool. p. 152, t. 53. 

 f. 3, 1830. 



Sipunculus {Phymosomum) lumbriciformis, Quatrefages, I. c. ii. 

 p. 626, 1865. 



Diclidosiphon lumbriciformis, Diesing, Syst. Helminth, ii, p. 70, 

 1851 ; Revis. d. Rhyngod. in /. c. p. 766, 1859. 



Hab. Falkland Islands (Lesson). 



Family II. Aspidosiphonid^. 



Eusipunculidea, Aspidosiphones (part.), Diesing. 

 Aspidosiphonea, Quatrefages. 



Genus 1. Aspidosiphon. 



Aspidosiphon, Diesing, Syst. Helm. ii. p. 67, 1851 ; Revis. der 

 Rhyngod. I. c. p. 767, 1859 ; Quatrefages, I. c. ii. p. 608, 1865. 



Sipunculus, sp., Blainville. 



Sipunculus {Phascolosomum), sp., Joh. Midler. 



Lesinia, O. Schmidt, Zeitsch. f. d. gesammt. Naturwiss. 1854, 

 torn. iii. p. 2; Diesing, Revis. der Rhyngod. I.e. p. 779, 1859; 

 Quatrefages, I. c. p. 599, 1865. 



