PLATE CXIII. 



MYTILUS ANATINUS. 



SMALL HORSE MUSCLE. 

 GENERIC CHARACTER. 



The hinge toothless, and consists of a longitudinal furrow. 



SPECIFIC CHARACTER 



AN D 



SYNONYMS. 



Shell oval, rather compressed, brittle, margin membranaceous, beaks 



decorticated. 



Mytilus Anatinus : testa ovali compressiuscula fragilissima mar- 

 gine membianceo, natibus decorticatis. Gmel. 

 Linn. Syst. Nat. p. 3335. sp. 16. 



Musculus latus, testa admodum tenui, ex fusco viridescens, interdum 

 rufescens, &c. List. II. An. Angl. p. 146. tit. 



29. tab. 2. Jig. 29. 



Musculus tenuis minor latiusculus. J pp. II. An. Angl. p. 10. tit. 



30. tab. 1. fig. 2. — A pp. II. An. Angl. in 

 Gaed.p. 13. tit. 30. tab. I. fig. 2. 



Mytuli majores a. nostratibus. Horse muscles. Merret. Pin. p. 193. 

 Mytilus anatinus Duck. Penn. Br. Zool. No. 79. tab. 68. fig. 79. 

 Mytilus fluviatilis minor. Anatinus, Da Costa Br. Conch, p. 215. 

 sp. 47. tab. 15. fig. 2. 



