362 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 57. 



The young of this species are often smooth but can always be dis- 

 tinguished from the young of M. Tcerguelenensis by the entire foramen 

 and produced beak. In the latter species the foramen is open from 

 the beginning and the beak in the adult less produced and much more 

 incurved than in M. Jlavescens. There is often some uncertainty as 

 to the accuracy of the localities for the shells of the United States Ex- 

 ploring Expedition, for reasons I have explained elsewhere, so some 

 doubt attaches to the specimens of undoubted M. f.avescens la- 

 beled from Patagonia, now southern Chile, above cited. 



MAGELLANIA KERGUELENENSIS Davidson. 



Waldheimia kerguelensis Davidson, Proc. Royal Soc, vol. 27, p. 437, 1878 (err. 



typ.); Challeyiger Brach., pi. 3, figs. 1-9, 1880. 

 Waldheimia kerguelenensis Davidson, Challenger Brach., p. 40, 1880; Mon. Rec 



Brach., pt. 1, p. 53, pi. 10, figs. 7-17, 1886. 

 ? TerebratulaglobosaSo'WERBY, Th.es. Conch. Terebratula, ipl. 71, figs. 99-101, 1847; 



of. Da\dd8on, Chall. Brach., p. 41. 



Type locality. — Kerguelen Islands., Challenger Expedition. 



MAGELLANIA JOUBINI Blochmann. 



Magellania joubini Blochmann, Zool. Anz., vol. 30, p. 677, 1906. 



Type locality. — Near the winter quarters of the Gauss Antarctic 

 Expedition in 209 fathoms. 



Three young specimens (Cat. No. 110440) were received from 

 Blochmann, who thinks that the young brachiopod collected by the 

 Belgica Expedition in latitude 80° W. and figured by Joubin in his 

 report on the brachiopoda (pi. 2, figs. 16, 17) in 1902, is identical, 

 thus indicating that the species is circumpolar. 



In this connection it may be mentioned that among the shells sent 

 by Colonel Turton from Saint Helena Island was a young Magellania 

 (Cat. No. 124859) of indeterminable species, but naturally resem- 

 bling the very young of M. joubini. 



Subgenus Neothyris Douville. 

 Neothyris Douvelle, Bull. Soc. Geol. de France, ser. 3, vol. 7, p. 277, 1879. 

 MAGELLANU (NEOTHYRIS) VENOSA Solander. 



Anomia venosa Solander, Portland Cat., p. 166, No. 3609, 1786 (name only); 



Dixon's Voy., p. 355, pi. 11, fig. 3, 1789. 

 Anomia caput-serpentis Solander, in Mus. Calonnianum, p. 45, in synonymy; 



1797, not of Linnaeus, 1758. 

 Terebratula sp., Bruguiere, Encycl. M6th., vol. 1, pi. 239, fig. 2, 1798. 

 Terebratula globosa Lamarck, An. s. Vert., vol, 6, p. 246, 1819. 



