13-4 Dr. J. C. Melvill and Mr. E. Standen on 



Fam. Mactridae. 



Darina solenoides (King). 



Erycina solenoides, King, Zool. Journ. t. p. 335 (1832). 



Darina solenoides, Gray, Ann. & Mag. Nat. Hist. ser. 2, vol. xi. p. 42 



(1853). 

 Darina kingi, Fischer, Man. de Conch, p. 1119 (1887). 

 Lutraria tenuis, Phil. Wiegiuann's Archiv fiir Naturg. 1845, p. 70. 

 Darina solenoides, E. A. Smith, Proc. Malac. Soc. Load. vi. p. 337 



(1905). 



Hoy Cove. At low water, in and upon muddy banks. 



Thi.s species extends around the Straits of Magellan^ but 

 does not appear otherwise than sparingly. It is reported by 

 Jilr. Edgar Smith from Tierra del Fuego, on San Sebastian 

 Beacli [CroMshay) , Kear-Adrairal Philip Parker King, R.N., 

 F.R..S., the discoverer, collected it first at Port Famine, 

 Straits of Magellan. 



Tiie Lutraria solenoides, Lamarck, is, according to Gwyn- 

 JefFreys, the British L. ohlonga. Lamarck, indeed, quotes 

 this name in his synonymy, giving " Oedan d'Europe " as 

 tiie locality. We are indebted to Mr. Edgar Smith for this 

 information. 



Suborder T E L L I N A C E A. 

 Fam. Tellinidae, 



Tellma sqnalida, Pult. 



Tellina squalida, Pulteuey, in lliitchins. Dorset, p. 29 (1774). 



Tellina incarnata, Forbes & Ilanley, i. p. 298, pi. xx. fig. 6 ; Sowerhy, 



Illustr. Index Brit. Moll. pi. iii. tig. 14 (1859). 

 Tellina squalida, ie&vQ^s, Brit. Conch, ii. p. 384 (1863). 



Crooked Island, at low water. 



We cannot separate this from the European and British 

 species. It is represented in the collection before us by a 

 single rigiit valve — this being, however, in fairly good 

 condition, shining, yellowish flesh-colour, slightly rayed 

 anteriorly. 



Suborder My A CEA. 



Fam. Myidae. 



Alya antarc/ica, sp. n. (PI. VII. figs. 6, G a.) 



M. testa mediocri, rudi, calcarca, sordidc alba, insequivalvi, liiulea, 

 umbonibus incurvis, parvis, contiguis, siii)oriicie concentrice riidi- 

 striata, antioc subrotundata, margine ventrali fere recto, postice 

 truncata, cpidtrmidc evaiiidc olivaceo-brunnca, pagiua intus 



