ELEMENTARY TERMS, a. 
LATERAL-LINE, the side-line of many fish, dividing the 
back from the belly. 
Dorsat, reiating to the back. 
Dorsat-¥Ftns, any back-fin between the head and tail-fin. 
PECTORAL FINS, a pair growing on each side the breat. 
Potsrers or Haters, globules on slender stems under 
the wings of some two-winged insects. 
ScuTeL, or EscuTcHeon, a piece between the bases of 
the upper wings, on the backs of insects. 
HyaLinE Scuren, &c. glass-like. 
iV. RELATING TO THE ABDOMEN OR BELLY. 
NAYANT, floating in water. 
TURBINATE, Shaped like a top. 
PHOSPHORESCENT, emitting light in the dark, 
ABDOMINAL, relating to the beily. 
ABDOMINAL-RINGS, annulas, or ring-form segments of 
the belly of insects ; generally 5. 
Crioaca, a general vent, where eggs, urine and faces 
are evacuated, 
VENT, the aperture in fish where foeces, &c. are dis- 
charged. 
ANAL-FINS, one or more between the vent and caudal 
fins. 
ABDOMINAL-FINS, any where under thie fish, between the 
head and vent. 
Y. RELATING. TO FORE-LEGS AND WINGS; 
AULULET, (spurious wing,) a tuft of 3 or 5 feathers on 
the outer fore-joint of a bird’s wing. 
TecTrIcs, (wing: coverts,) the longest feathers in a 
wing, next above the quills. 
Miwnor-TecTrRIcs, (lesser. wing-coverts,) the wing-fea- 
thers above the tectrics. 
