Kinespury, Columella Auris and N. Facials. 2a 
fascia, is not the true suspensorio-opercular connection, which is 
correctly described by Cope,’ as passing from the operculum to. 
fig. 7. Diagram from a drawing of the left side of a model of the skull of a 
Necturus 49.5 mm. long. 
a.—Os articulare (angulare ?). 6.—Nervus bucecalis. 
c.—Columella (operculum). d.— Os dentare. 
f.—Os frontale. A.—Ceratohyale. 
7-—Ramus jugularis VII. 
L. A.-s.—Ligamentum hyo-suspensoriale. 
L. m.-h.—Ligamentum mandibulo-hyoidale. 
L. s.-e.—Ligamentum squamoso-columellare. 
m.e. VZ/,—Ramus mandibularis externus facialis. 
m. V.—Nervus maxillo-mandibularis trigemini. 
m. z2.—Ramus mandibularis internus facialis. 
o.—Nervus opticus. o. m.—Nervus oculomotorius. 
o. p.—Ramus ophthalmicus profundus trigemini. 
o. g-—Os quadratum. 
o. s.—R. ophthalmicus superficialis facialis. p.—Os parietale. 
pp.—Os palatopterygoideum. ps.—Os parasphenoideum. 
g.—Quadratum. r. c.—Ramus communicans glossopharyngei. 
s.—Os squamosum. t,—Trabeculum. 
the squamosum, who does not however, give the relation of the 
nervus facialis. DDrtNER has recently described correctly the 
relations in both Necturus and Proteus. 
1Copr, E. D. The Batrachia of North America. Bull. U. S. Nat’l. Mu- 
seum, No. 34, 18. 
