THE SHOULDER GIRDLE AND PECTORAL PIN OF FISHES. 
569 
(91) Wiedersheim, R'., “ Das Skelet . . . Lepidosiren annectens,” Morph. Stud. Jena, i, 1880. 
(92) Williamson, H. C., “On the Anatomy of the Pectoral Arch of the Grey Gurnard,” S.F.B., xii, 
pt. iii, p. 322. 
(93) Woodward, A. S., “The Evolution of Fins,” Nat. Sci ., 1892, 
INDEX TO FIGURES. 
I. Cartilages and Bones. 
Br.c. 1- 
>5 = Ceratobranchials 1st to 5th. 
Mpt. 
= Metapterygium. 
Br.hyp. 
= Hypobranchial. 
Ppt. 
= Propterygium. 
Gla. 
= Clavicle. 
Ppt.r. 
= Propterygial radial. 
Gli. 
= Cleithrum. 
Pt.cla. 
, = Post-clavicle. 
Cor. 
= Coracoid. 
Pt.t. 
= Post-temporal. 
F.r. 
= Fin ray. 
S.cla. 
= Supra-clavicle. 
Hy.b. 
= Basihyal. 
S.sc. 
= Supra-scapula. 
Hy.c. 
= Ceratohyal. 
Sc. 
= Scapula. 
Mn. . 
= Mandible. 
II. Muscles. 
Abd.sup. = Abductor superficialis (Nos. = muscle-bundles, 1 preaxial) 
Abd.prof. = Abductor profundus do. do. do 
Add.sup. = Abductor superficialis do. do. , do. 
Add. prof. = Adductor profundus do. do. do. 
Br.mn. = Branchio-mandibularis. 
G.a.c. = Coraco-arcualis communis. 
C.a.s. = Coraco-arcual septum. 
C.br. 1 to 5 = Coraco-branchi.ales of 1st to 5th branchial arches. 
C.hy. = Coraco-hyoideus. 
C.m. = Coraco-mandibularis. 
Gla.hy. = Claviculo-hyoideus. 
Cli.br. ext. = Cleithro-branchialis externus. 
GU.br.int, = Do. internus. 
Gli.br.ter. £=5 Do. tertius. 
Gli.hy. = Cleithro-hyoideus. 
DU. a. = Dilator anterior. 
Dil.p. = Dilator posterior. 
L.p. = Levator pectoralis. 
P.cli. =Pelvico-cleithrale = R.m.v.p.inf. 
P.d.p. = Protractor dorsalis pectoralis. 
P.p.ant. = Protractor (latero-ventralis) pectoralis anterior. 
P.p.pst. = Do. * do. do. posterior. 
R.d.p. = Retractor dorsalis pectoralis. 
R.l.v.p.ext. = Retractor latero-ventralis pectoralis externus. 
R.l.v.p.int. = Do. do. do. internus. 
R.m.v.p.sup. = Retractor medio-ventralis pectoralis superior. 
R.m.v.p.med. = Do. do. do. medius. 
R.m.v.p.inf. = Do. do. . do. inferior. 
Ins. = Insertion of. 
Or. = Origin of. 
