1088 THE VOYAGE OF H.M.S. CHALLENGER. 



1. Patagospyris conjiuens, Haeckel. 



Petalospyris covfluens, Ehrenberg, 1885, Abhandl. d. k. Akad. d. Wiss. Berlin, p. 80, Taf. xxii. 

 fig. 5. 



Shell tuberculate, with distinct sagittal and collar strictures. Pores irregular, roundish. Cephalis 

 nut-shaped, larger than the short truncate thorax. Horn conical, shorter than the cephalis. 

 Peristome with a coronet of twelve to fifteen short triangular feet, which are parallel and vertical, 

 slightly curved and shorter than the thorax. 



Dimensions. — Cephalis 0-05 long, 0'07 broad ; thorax 0'0.3 long, 0'07 broad. 



Habitat. — Fossil in Barbadoes. 



2. Patagospyris lanceolata, n. sp. 



Shell tuberculate, with slight sagittal and sharp collar strictures. Pores subregular, circular. 

 Cephalis subsplierical, about as large as the truncate subcylindrical thorax. Horn spindle-shaped, 

 about as long as the cephalis. Peristome witli a coronet of fifteen to twenty divergent lanceolate 

 lamellar feet, longer than the thorax. 



Dimensions. — Cephalis 0'08 long, 0-09 broad; thorax 0'07 long, 0'07 broad. 



Habitat, — Fossil in Barbados. 



3. Patagospyris stiligera, Haeekel. 



LHhohotrys stiligera, Ehrenberg, 1875, Abhandl. d. k. Akad. d. Wiss. Berhn, p. 76, Taf. iii. 

 fig- 17. 



Shell smooth, hyaline, with deep sagittal and collar strictures. Pores very small and few. 

 Ceplialis nut-shaped, bilobed, of the same breadth as the cylindrical thorax. Horn conical, about 

 as long as the cephalis. Peristome with a coronet of six to nine broad lamellar feet (in Ehrenberg's 

 figure broken oft). 



Dimensions. — Cephalis 0"04 to 0-05 diameter ; thorax 0"06 long, 0'05 broad. 



Habitat- — Fossil in Barbados. 



4. Patagospyris anthocyrtis, n. sp. (PL 95, fig. 19). 



Shell smooth, with deep sagittal and deep collar strictures. Pores irregular, roundish, of various 

 sizes, numerous. Cephalis nut-shaped, with two inflated bosoms, about twice as broad as the short 

 cylindrical thorax. Horn stout, pyramidal, about as long as the cephalis. Peristome with a coronet 

 of fifteen to twenty parallel and vertical triangular lamellar feet, nearly as long as the thorax. 



Dimensions. — Cephalis 0-05 long, 01 broad ; thorax 0-04 long, 0-06 broad. 



Habitat. — Tropical Atlantic, Station 347, depth 2250 fathoms. 



Genus 477. Rhodospyris,^ Haeckel, 1881, Prodromus, p. 443. 



Definition. — P hormospyrida with numerous basal feet (nine to twelve or more), 

 and with three coryphal horns. 



1 iJ/iodospj/n's = Rose-basket ; piaou awoli. 



