No. 2314. 



LIST OF RECENT BRACHIOPODA—DALL. 



363 



Terehratula dilatata Lamarck, An. s. Vert., vol. 6, p. 245, 1819. 



Terehratula gaudichaudi Blainville, Diet. Sci. Nat., vol. 53, p. 136, 1828; not of 



Gray, Griffith's Cnvier, vol. 12, p. 132, pi. 4, figs. 2, 2a, 1833 {=T. lenticu- 



laris Deshayes). 

 Terehratula globosa Blainville, Malac, pi. 52, fig. 2, 1826. — Reeve, Conch. 



Icon., Terehratula, pi. 2, figs, 3a-c, 1860; pi. 6, figs. Sd-c, 1861. 

 Terehratula dilatata Reeve, Conch. Icon., Terehratula, pi. 2, figs. 2, 1860; pi. 6, 



figs. 2b, 2c, 1861. 

 Terehratula physema Valenciennes, in Reeve, Conch, Icon., Terehratula, pi. 6, 



figs. 23a-c, 1861. 

 Waldkeimia venosa Davidson, Ann. Mag. Nat. Hist., ser. 3, vol. 8, p. 36, 1861. — 



Dall, Amer. Journ. Conch., vol. 6, p. 109, 1870; Proc. Acad. Nat. Sci. Phila. 



for 1873, p. 182.— Davidson, Mon. Rec. Brach., pt. 1, p. 49, pi. 8, figs. 1-6, 



1886. 

 Terehratula eximia Philippi, in Conch. Cab., ed. 2, Terehratula, p. 39, pi. 2d., figs. 



9, 10, 1843. 

 Terehratula fontaineana Orbigny, Yoy. Amer. Mer., vol. 5, p. 675, pi. 85, figs. 30, 



31, 1847. 

 Terehratula pulvinata Gould, Proc. Boston Soc. Nat. Hist., vol. 3, p. 347, *Dec. 



1850; U. S. Expl. Exped., Shells, p. 468, pi. 44, fig. 581, 1857. 

 Waldhemia pulvinata Gould, emend., Otia Conch., p. 97, 1862. 

 Terehratella pulvinata Carpenter, Checklist West Coast shells, p. 1, 1860. — Dall, 



Amer. Journ. Conch., vol. 6, pt. 2, p. 117, 1870 (young shell in Terehratella 



stage). 

 Magasella laevis Dall, Amer. Journ. Conch., vol. 6, pt. 2, p. 136, pi. 6, figs. 9, 10, 13, 



1870 (young in Magasella stage). 

 ? Terehratula malvinae Orbigny, Voy. Am. Mer., vol. 5, p. 674, pi. 85, figs. 27-29, 



1846 (Magasella stage). 



Type locality. — Falkland Islands. 



Cat. No. 



5963 1 

 11782 2 



17813 

 110922 



96201 

 110923 

 110924 

 110925 



Locality. 



Patagonia 



Patagonia 



Orange Harbor, Patagonia. 

 Orange Harbor, Patagonia. 

 Magellan Strait, 20 fathoms 

 Magellan Strait, 51 fathoms 

 Magellan Strait, 61 fathoms 

 Magellan Strait, 61 fathoms 



Collector. 



U. S. Expl. Exped 

 U. S. Expl. Exped 

 U. S. Expl. Exped 



Dall 



B.F 



B.F 



B.F 



B. F 



Number 

 of speci- 

 mens. 



1 Types of T. pulvinata Gould. 



' Types of Magasella laevis Dall. 



This species ranges from Coquimbo, Chile, to the Straits of Magellan 

 and the Falkland Islands. 



There is an interesting succession indicated, beginning with the 

 Tertiary Terehratella teJiuelca of von Ihering, from the Cape Fair- 

 weather beds, for which he proposed the generic name Pachymagas, 

 and which retains the terebratelliform loop until of a very large size, 

 but finally loses it and proceeds to a point where its cardinalia and 

 adjacent parts and cardinal process are loaded thickly with callous 

 deposits. The beak is also much prolonged and the foramen quite 



