DISTRIBUTION OF LYMPHATICS IN SCORP-dSNICHTHYS 89 



Max. V. Truncus maxillaris trigeminior infra-01 bitalis. 



M.P.S. Median pectoral tin sinus. 



My. Myelon or spin;il cord. 



My.L.V. Mjelonial or superior spinal longitudinal lymphatic trunk. 



Myo. Myotomes of the great lateral muscle. 



Neu.L.V. Neural or interspinal lymphatic vessels. 



Neu.S. Neural spines. 



No. Nasal opening. 



Nut. V.(i) to (*} Nutrient veins (1) to (j). 



O.B. Olfactory bulb or rhinencephalon. 



Obi. Oblongata or metencephalon. 



Oc.S. Occipital sinus. 



O.D.M. Obliqui dorsales muscles. 



O.L. Optic lobes or mesencephalon. 



O.N . V. Orbito-nasal vein. 



Op. Operculum or opercular bone. 



O.P.S. Outer pectoral fin sinus. 



P. Pectoral fin. 



P. CI. Postclavicle. 



P.C. V. Connecting vessels between the median and the outer and inner 

 pectoral tin sinuses. 



Pel. Pelvic bones. 



Per.S. Pericardial sinus. 



Per.S.(\) Posterior pericardial sinus or posterior portion of the pericardial 

 sinus. 



P.Fac.L. V. Profundus facial lymphatic trunk. 



P.F.L. V. Pectoral fin lymphatic vessels. 



P.F.L.V. ( \) Extra pectoral fin lymphatic vessels. 



Ph.L. V. Pharynx lymphatic vessel. 



P.Hyo.T. Posterior or ventral hyoidean lymphatic trunk. 



P.P. Add. M. Profundus pectoral adductor muscle. 



Pr. Pectoral rays. 



Prec. Precava. 



Prem. Premaxilla. 



Pro. P. Prootic process. 



P.S. Pectoral sinus. 



P. V.Abd.M. Profundus ventral abductor muscle. 



P. V. Per.S. Papilla of the ventral pericardial sinus that joins the main peri- 

 cardial sinus. 



R.Lat.X. Ramus lateralis vagi. 



R.My.L. V. Right fork of the myelonal lymphatic trunk. 



5\ Lymphatic sinus at the cephalic end of the cranial trunk. 



S.Cl. Supraclavicle. 



S.Pac.I,. I'. Superficial facial lymphatic trunk. 



S.Oc. Supraoccipital. 



S.Orb. Chain of suborbital bones or suborbital stay. 



S.P.Abd.Af. Superficial pectoral abductor muscle. 



S.P.Add.M. Superficial pectoral adductor muscle. 



Sp.N. Spinal nerves. 



Proc. Wash. Acad. Sci., May, 1906. 



