MUSCA f MYA. 215 



futris, (maggot fly,) black ; wings white with a 

 black rib. Feelers and suckers like domestica. 

 Deposits eggs, which become the common white 

 skipper. 



&e M:x P. 



2 2. MUSCICAPA. Spec. 97. 



striata, (fly-catcher,) green-ash ; back streaked 

 with black, yellowish beneath ; chin and sides 

 of the neck spotted with brown ; three outer- 

 most tail-feathers tipped with white. 5 inches 

 long. 



canad'ns^S) (northern fly-catcher,) cinereous, pale- 

 yellow beneath ; lores yellow ; crown spotted 

 with black. 4 inches long. 



Btra, (bee-catcher,) olive-ash ; breast cinereous ; 

 belly whitish-yellow ; head, tail and quill- 

 feathers black, the secondaries at the edge and 

 outmost tail-feathers on the outer webs white. 

 See MS. P. 



"8 9. MUTILLA. Spec. 38. 

 ffuropea, (wingless fly,) black ; thorax rufous ; 

 segments of the abdomen with white margins. 

 Stt MS. P. 



9 3. MYA. Spec, about 60. 



Remarks. This genus and Mytilus have been 

 cut up into several new genera. Unio is the prin- 

 cipal genus taken from Mya. Masmadonta, Mo- 

 nodonta, &c. are proposed. But the unsettled 

 state of the numerous proposed subdivisions, even 

 among some of the best zoologists of our times; 

 demonstrates the absurdity of the modern rage for 

 innovation. Perhaps future naturalists will fix 

 the boundaries of these subdivisions on definite 



