98 DR. W. BAIRD ON THE GEPHYREA. [Feb. 13, 



46. Phascolosoma pourtalesi. 



Sipunculus granulatus, Pourtales, Proc. Amer. Ass. Adv. Sc. 

 1851, p.41. 



Phascolosomiim pourtalesi, Diesing, Revis. der Rhvngod. I. c. 

 p. 765, 1859. 



Hab. Florida {PourtaUs). 



Genus 3. Petalostoma. 



Phascolosoma (sp.), Keferstein, 1862. 

 Petalostoma, Keferstein, 1865. 



Petalostoma minutum. 



Phascolosoma minutum, Keferstein, Unter. niedere Seethiere in 

 Zeitsch. f. wissensch. Zool. Band xii. p. 40, t. 3, f. 7-10, 1862. 



Petalostoma minutum, Keferstein, Beitr. Nach. kon. Gesellsch. 

 Gcittingen, p. 207*, 1865 ; Quatrefages, I. c. ii. p. 631, 1865. 



Hab. St. Vaast, Normandy {Keferstein). 



Genus 4. Themiste. 



Themiste, Gray, Spicilegia Zoolog. p. 8, 1828. 



Bendrostomum, Grube & (Ersted, Annulat. (Ersted, p. 14, 1858; 

 Diesing, Rev. d. Rhyngod. 1859 ; Quatrefages, /. c. ii. p. 629, 1865. 



Dendrostoma, Keferstein, Beitr. z. Auat. Sipunc. in Nach. konig. 

 Gesellsch. Gottingen, p. 207, 1865. 



1. Themiste hennahi. 



Themiste hennahi. Gray, Spic. Zool. p. 8, 1828. 



Hab. Peru {Rev. W. Hennah). B.M. 



2. Themiste alutacea. 



Bendrostomum alutaceum, Grube & Oirsted, Annulat. (Ersted. 

 p. 14, 1858; Diesing, Revis. der Rhyngod. in I.e. p. 765, 1859 ; 

 Quatrefages, /. c. ii. p. 630, 1865. 



Hab. Santa Cruz, West Indies {(Ersted). 



3. Themiste pinnifolia. 



Bendrostoma pinnifolium, Keferstein, Beitr. in I. c. p. 207. 1865. 

 Bendrostomum pinnifolium, Quatrefages, I. c. ii. p. 630, 1865. 

 Hab. St. Thomas's, West Indies {Riise). 



4. Themiste ramosa. 



Bendrostomum ramosum, Quatrefages, I. c. ii. p. 629, 1865. 

 Hab. Brazil {Quatrefages). 



5. Themiste lageniformis. (PI. X. figs. 3-3*^.) 



Corpus cum proboscide exserta lageniforme, Iceve, corrugatum, 

 * P. miuntum ! evidently a misprint for minutum. 



