ox MOLLrsCA OF THE WEST COAST OF XORTH AMERICA. 



639 



43. Macnmn s«>efrt,Conr. Hani. Large, flat, rounded, glossy; winged behind ligament. 

 43 6. Mucoma var. edulis, Xutt. Northern form, le.ss transver.se ; te.xture dull. 



44. Macmnn indtntata, n. 8. Like secta, jun., but beaked, indented, and Aentrally 



produced. 



45. Macoma yoldiformis, n. s. Small, white, glossy, yeiy transverse ; ligament-ai'ea 



8Cooped-out. 



46. Macoma nasuta, Conr. auct.-f-^er«a, Gld. Large, beaked, twisted; mantle- 



bend touching opposite scar in one valve. From Kamtschatka to S. Diego. 

 Cape Lady Franklin, 70^, Belcher, 1820. 3 ft., mud, between tide-marlcs, 

 Lord. 



47. Macoma inquinata, Desh. P. Z. S. 1854, p. 357. Like degraded nasxita ; mantle- 



bend a little separated from scar in both valves. 

 47 6. Macoma Yedenttua, Brod. & Sby. jun. ; or an abnormal var. of inqiiinatn. 



48. Macoma ?var. e.rpanm. Scars like lata and calcarea in Mus. Cum., but teeth 



Scarcely differs from lata, Desh. in B. M. 



49. 



not bifid, very thin, glo§^% 



Greenland. 

 Macoma inconspicua, Br. & Shy. — Sang. Californiana, Conr. Probably =" Fa- 



bricii=fragilis, Fabr." in "Mus. Cum. Like thin, flat solidula: pink; var. 



large, white. 8-15 fm. Lyall. 

 60. Angulus modestus, n. s. (Subg. of Tellina.) Like tener, Say ; but with callus 



between mantle-bend and scar. White. 

 50 6. Angulus ?var. obtusus. Inside like modestus ; but beaks obtuse. 



51. Angulus variegatus, n. s. Shape of obtusus : no callus ; rayed with pink and 



yellow. 20-60 fm. r. C/>. 



52. .4H(yM/««Goj«/</«, Hani. MS. inMua. Cum. Small, white; ant. ventr. side swollen. 



53. Mcera salmonea, n. s. (Scarcely differs from Angulus.) Small, subquadrate, 

 glossy, salmon-tinted. Beach-20 fm. Cp. 



TeUina Bodegemis, Hinds, Voy. Sulph. Large, strong, transverse, with con- 

 centric grooves. 



Arcopagia lamellata, Maz. Cat. no. 58. One fine pair in shell washings. 



(Edidia subdiaphana, n. g., n. s. Thin, swollen, shape of Kellia, ligament sur- 

 rounding beaks : hinge with 5 bifid teeth (3-2) ; no laterals ; large mantle- 

 bend. 



Coo})erella scintiUaformis, n. 8. New subgenus of (Edalia. Cartilage semi- 

 intenial : only 1 tooth bifid. 



Lutricola a/<a, Conr. {Tellina). For this group (=Capsa, "Bosc," Add. non 

 Lam.), scarcely agreeing with either Macoma or Scrobicularia, Blaiuville's 



126 



54. 



55. 

 56. 



57, 



68, 



