Elements of conchology. Or, An introduction to the knowledge of shells / By Emanuel Mendes da Costa...With seven plates.

  • Emanuel Mendes da Costa
Date:
1776
Catalogue details

Licence: Public Domain Mark

Credit: Elements of conchology. Or, An introduction to the knowledge of shells / By Emanuel Mendes da Costa...With seven plates. Source: Wellcome Collection.

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    [ *98 ] TABULA SYNOPTICA TESTACEORUM. II. & III, Bivalvia and Mox.tivai.vu, Division IL BIVALVES have three Orders or Subdivifions. I. With unequal Valves, and {hut clofe. II. With equal Valves, and flint clofe ; and, III. With Valves that never (hut clqfe. ORDER I. With unequal Valves, and {hut clofe. Fam. Genus* I. II. Petten. - - 1 Efcallops. Spondylus. - - 2 Spondyles. III. Oftreum. - - - 3 Oyfler. IV. •— —- - Anomia. - - - Anomia. 4. A. Inarticulate. A. Multarticulate. r i Fam. V. VI. VII. ORDER II. with equal Valves, and tout clofe. Sett. I. Leptopolyginglymi, or Multarticulate. Genus. 6 Pettinoides. 7 Multarticulate Cockles, 8 Ark, or Boat. Pettinoides. - - Fettunculi Leptopolyginglymi Area. - - - - - L viii. Pettunculus. ix. x, XI. XII. Tellina. Placenta. Sect. II. Articulate, or fet with, few Teeth. Cockles, o Cockles. io Cardium, or Heart Cockles, n Truncatus, or flat-lided Cockles.-' Tellens, or Sand Mufcles. 12 Tellens. 13 Cunens. 14 Placenta. » - • Margaritifera. Mufculus. Sect. III. Inarticulate, or without any Teeth. _ . __ * 13 Pearl Oyfler. 16 Mufcles. XIII. ORDER III. with Valves that never {hut clofe. Conchae Hiantes. Chama, Gapers, - - - - 17 Tridacna, Bafon Conques, or Clamps, 18 Chama, Purrs. 19 Solen, Sheath, or Razor Shell, 26 Pinna, Sea-Wing, or Ham. Division III. M. Fa XIV. XV. XVI. Pholas. - - - - Anatiferas. - - Balani, - - - U 6 MULTIVALVES. Genus. 21 Piddocks. 22 Barnacles e 23 Acorns. *