ON THE A.NATOMY OF FISHES. 
333 
t.s. 
t.s. 
t.t. 
c. 
i.lcj. 
in. 
in.a. 
in.h. 
sc. 
sc. a. 
sc.s. 
s.pv. 
tr. 
tr.a. 
tr.ar. 
tr.c. 
tr.h. 
v.r. 
ac.hr. 
ap.m. 
d.l.m. 
l.c.a. 
left. 
lie. 
mes. 
mph. 
mph.f 
ces. 
p.c.s. 
v.lm. 
Primary transverse septum. 
Secondary transverse septum. 
Tensor tripodis muscle. 
VI. — Wehei'ian ossicles. 
Claustrum. 
Interossicular ligament. 
Intercalarium. 
Ascending process of the intercalarium. 
Horizontal process of the intercalarium. 
Scaphium. 
Ascending process of the scaphium. 
Spatulate process of the scaphium. 
Saccus paravertebralis. 
Tripus. 
Anterior process of the tripus. 
Articular process of the tripus. 
Crescentic process of the tripus. 
Heel-like process of the tripus. 
Ventral ridge of the tripus. 
VII. — Other structures. 
Accessory branchiae. 
Aponeurotic membrane. 
Dorso-lateral muscles of the trunk. 
Lateral cutaneous areas. 
Ligament. 
Lateral line canal. 
Mesentery. 
Mesonephros. 
Recesses for the “ head ” kidney. 
(Esophagus. 
Peritoneal cul-de-sacs for the lateral lobes of the liver. 
Ventro-lateral muscles of the trunk. 
