PLATE CXIII. 



MYTILUS ANATINUS. 



SMALL HORSE MUSCLE. 

 GENERIC CHARACTER. 



The hinge toothless, and consists of a longitudinal furrow. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Sliell oval, rather compressed, brittle, margin m?mbranaceous, beaks 



decorticated. 



Mytilus Anatinus : testa ovali compressiuscula fragilissima mar- 

 gin e membranceo, natibus dccorticatls. Gmel. 

 Linn. Sj/st. Nat. p. 3335. sp. 16. 



AIusculus latus, testa admodum tenui, ex fusco virldescens, Interdum 

 rufescens, Sec List. II. An. Jngl. p. 146. tit. 



29. tab. 2. fg. 29. 



Musculus tenuis minor latiusculus. yipp- IL An. Angl. p. 10. tit. 



30. tab. I. Jig. 2. — A pp. II. An. Angl. in 

 Goed. p. 13. tit. 30. tab. i.fig. 2. 



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

 Mytilus anatinus Duck. Ptnn. Br. Zool. No. 79. tab. GS. fig. 79. 

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

 sp. 47. tab. \5.fg. 2. 



