MAZATLAN BIVALVES 35 



i 



54. Tellina ptjnicea, Born. 



Test. Mm. Cms. Vinci, p. 33, pi. 2, f. 2.— Dorset Cat. p. SO-, pi. 7, 

 f. 5. — Linn. Trans, vol. 8, p. 50. — Brit. Mar. Conch, p. 60.—^ 

 Broivn Ulustr. Conch. Gi\ Br. p. 100. — Gjnel. S//st. Nat. 

 p. 3239. — Wood, Lid.' Conch, p. 20, no. 47. — Dilliv. Descr. 

 Cat. p. 90. — Lam. ed. Lesh. vol. 6, p. 196. — Schroeter Mini. 

 t. 3. p. 22, no. 79.— Lesh. Enc. Meth. vers. t. 3, p. 1011. no. 12.— 

 Manl. in Sow. Thes. Conch, vol. 1. p. 239, pi. 58, f. 89, and 

 pi. 60, f. 154.— i?. M. Cat. Moll. L'Orh. p. 61, no. 433.— 

 Forhes SfHanl. Br. Moll. vol. 1, p. 314. 

 = Donax Mai-tinicensis, Lam, teste G-ray. 

 = TeUina alternata. Sow. teste G-ray. 

 = ,, angulosa, Gmel. teste Lesh. 

 = „ simiilans, C. B. Ad. Pan. Shells, p. 284. 

 ? = striata, Cliemn. Conch, t. 10, tab. 170, f. 1654-5 ; teste 

 Lillwyn Sf Lesh. : non Forhes ^ Hanley, Br. Moll., nee 

 Hani, in Thes. 



The late respected and very accnrate Prof. Adams made liis 

 T. simulans out of a valve lie found of this species on what was 

 (to him) the wrong coast. Unfortunately for his theory, the 

 very slight differences he relied on (deeper furrows coutmued 

 over the flexure, interspaces less flattened, and lateral teeth 

 nearly obsolete) are not constant in the Pacific waters : and if 

 one shell is common to the two oceans, which he is obliged to 

 aUow in the case of Crepidula uuguiformis, why may not this 

 be ? The sheU is known at once by its regidar Tellinides shai^e, 

 solid texkire, pink colour variously banded with white, and 

 deeply channelled furrows, some of which generally coalesce 

 on one side before they reach the flexure. The angle of the 

 ligamental area is more or less developed : the j)assage of the 

 sulcations over the fold varies not only in different specimens, 

 but in the same shell, in the opposite valves, or from young to 

 old. The closeness and flattening of the ribs, the colour and 

 the size of the lateral teeth also vary considerably, though I 

 have only had an opportiiuity of examining about 40 specimens. 

 Long. Vlo, lat.19, a.lt.'il. 



Sah.—[Coa.%is of Britaui, Pulten«y, Wood, &c]— "A West 

 Indian Sliell, introduced into oiir Faima through havuig 

 been figured in the Dorset Catalogue as identical witji striata 

 Chemn." Forhes ^ Hanley. — Mediterranean, Lam. ed Desh. — 

 Cuba, SiKjra in B. M. Cat. p. 36.— Brazils, L'Ovh. in B. M. 

 Cat. p. 61. — St. Domingo, Sir. R. Schomberg, in B. M. — 

 Trinidad, Hani. — This, hke many other West Indian shells. 



