346 



Greenland, 1S77, p. 440; Collin, Dijmphna-Togtets zool.-bot. Udbytte, 1886, 

 p. 443. — Tellina lata Leche (partim), К. Sv. Vet.-Akad. Handl. Bd. 16, 

 Nr. 2, 1878, p. 13 & Vega-Exped. Vetensk. lakttag., Bd. Ill, 1883, p. 439. — 

 Tellina lutea Krause, Arch. f. Naturgesch. 1885, p. 37. — Macoma calcaria 

 var. subovalis Posselt, Medd. om Grønland, XIX, 1895, p. 74 (partim), Tav. I, 

 Fig. 15—16; idem, ibid. XXIII, 1898, p. 87 (partim); Hägg, Ark. for Zoologi, 

 Bd. 2, Nr. 2, 1904, p. 47. — Macoma krausei Dali, Proc. U. S. Nat. Mus., 

 XXIII, 1900, p. 322, PI. IV, Fig. 8. — Tellina (Macoma) moesta Jensen, 

 Vidensk. Medd. Naturhist. Foren. Kbhvn. 1905, p. 38, Tab. I, Fig. 4 a— f. 



Shell middle-sized, more or less compressed, oval, the 

 anterior end elongated and rounded, the posterior short and from 

 umbo descending in a curve towards the ventral margin, which 

 like the dorsal margin in front of umbo is .slightly convex. 





Fig. 4. Tellina moesta Desh.. a a specimen from East-Greenland, 

 seen from the outer side; b, с another specimen (from West-Green- 

 land), seen from the inner side. Nat. size. 



Umbones are very low and situated at the posterior third of 

 the shell. The valves are rather thin with a greenish or 

 white yellowish periostracum, somewhat shining, with fine con- 

 centric striae and with some exceedingly fine radial lines. The 

 ligament is somewhat projecting, the hinge-margin narrow, the 

 teeth small, and the palhal sinus short on both valves. Length 

 24 mm., height 15'75 mm., breadth 7"75 mm. (The maximum 

 length 34"5 mm.). 



The Danish expeditions took it at the following localities: 



1900. Cape Dalton 7 — 11 fms. 1 specimen. 



1900. Turner-Sound 3 — ca. 55 — 



1891—92. Hekla-Havn 8 — 



1900. Hurry-Inlet 10 — Clay 2 — 



1900. Sabine-Island 3—5 — 1 — and 1 valve. 



The largest of these specimens measures 22"5 mm. 



