356 



F. H. EDGEWORTH. 



Relationship of Semon's Stages to Lengths of Embrvo. 



Ceratodus. 



Genio-coracoideus. 



Coraco-hj'oideus. 



Protopterus. 



Genio-thoracicus. 



Coraco - hy oideus . 



Genio-coracoid, Humphry. 

 Coraco-mandibularis, Jaquet, Greil. 

 Coraco-mandibularis s. Coraco-cleido- 



mandibularia, Fiirbringer. 

 Unnamed, Maurer. 

 Coraco-hyoid, Humphry. 

 Coraco-hyoideus, Jaquet. 

 Coraco-hyoideus s. Coraco-cleido-hyoi- 



deus, Fiirbringer. 

 Cleido-hyoideus, Greil. 

 Unnamed, Maurer. 



Genio-hyoideus, Owen. 



Deep layer of superficial stratum of 

 ventral muscle, or Genio-hyoid, Hum- 

 phry. 



Rectus inferior corporis (anterior part), 

 Jaquet. 



Coraco-mandibularis s. thoracico-mandi- 

 bularis, Fiirbringer. 



Unnamed, Maurer. 



Retractor ossis hyoidei -f- Coraco-hyoi- 

 deus, Owen. 



Cervicalis profundus s. Coraco- or 

 Ventro-hyoid, Humphrj^ 



Thoraco-liyoideus, Jaquet. 



Coraco-hyoideus s. Coraco-cleido-thora- 

 cico-hyoideus, Fiirbringer. 



Coraco-hyoid, Agar. 



Unnamed, Maurer. 



