PLATE CXIII. 

 MYTILUS ANATINUS. 



SMALL HORSE MUSCLE. 

 GENERIC CHARACTER. 



The hinge toothless, and consists of a longitudinal furrow. 



SPECIFIC CHARACTER 



AND 



SYNONYMS, 



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



decorticated. 



Mytilus Anatinus : testa ovali compressiuscula fragilissima mar- 

 gine membranceo, natibus decorticatis. Gmel. 

 Linn. Si/st. Nat. p. 3355. 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. 



Klusculus tenuis minor latiusculus. A pp. II. An. Angl. p. 10. tit. 



30. tab. 1. Jig. 2. — App. II. An. Angl. in 

 Goed. p. 13. tit. 30. tab. I. Jig. 2. 



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

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

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

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



