348 



THYSANOPODA COUCHII. 



cut ; a, superior antennse ; h, inferior antennse ; c, lower 

 lip ; d, first maxilla ; e, second maxilla ; /, mandible ; a, 

 one of the thoracic feet, with branchia attached ; h, a 

 branchia; i, abdominal false foot; k, middle caudal lamina; 

 I, lateral caudal laminae. 



