20 



MR. F. E. BEDDARD ON THE 



[Jan. 14, 



shows in Bana may Lave, so to speak, left behind it a tract of 

 tendon — the fascia dovsalis. The condition of the dorsal nuiscnla- 

 ture in Brevicpps suggests a diflevent explanation. There is no 

 fascia at all in the middle of the back ; only anterior!}' between 

 and upon a portion of the supi'ascapulaj is a thin transparent 

 sheet of ligament to be detached from the underlying structures.. 



Text-fi^. 4. 



Odl. int. 



m. c. r. 



Superficial dorsal musculature of 3reviceps. 



c. Cutaneous muscles at end of rectum. Cocc.Sac. Coccj'geo-sacralis. H. Posterior 

 lympli-lieart of left side. On right the corresponding heart is represented as 

 cut open. I)if. Infraspinatus. L.d. Longissimus dorsi. in. Extrinsic 

 muscles of lymph-heart. ObI.e.rt. Obliquus externus. Ohl.int. Obliquus 

 internus. r. Muscles covering rectum. Sc. Suprascapula. iS'A'. Skin reflected, 

 showiug attachment of extrinsic muscles of lymph-heart. 



Posteriorly this is continuous with a sheet of muscle on either side 

 of the body the fibres of which pass obliquely backwards and ventral- 



