explanation of TERMS 
USED IN THE VARIOUS DEPARTMENTS OF 
natural history. 
j^niUlKVfATED, shorter than some correspondent part. 
MJDOMEN tlie part of animals containing the viscera. In entomology 
it is pfaced immediately behind the thorax, and consists of annular 
seamenls : Inseiiis, f(g- 8. i. 
ABDOMlNAlo f*’® fourth order of fishes, comprehending those 
having the pcaoral fins placed before the ventral. Fishes, Jig. 5. 
ABRUPT a pinnate leaf is termed abrupt, or abruptly pinnate, when 
it hqs^ neither an odd leaf or tendril at the end : plate 5, Jig. 7. 
In icthyology it is applied to the lateral line, whep divided into 
two or more parts not contiguous. 
iVCCl PITRES, the first order of birds, having an angular tooth-likC' 
projeiTion on the upper mandible : Birds, ftg. S. 
ACEROSE, linear and permanent : plate 4, Jig. 7, 
ACICULAR, sharp-pointed, like a small needle. 
ACINACIFORM, shaped like a sabre. 
ACULEATE, furnished with, or ending m prickles, 
ADNATE, adhering or growing together, adjoining, 
ALGrE the fourth order of the cryptogamous class of plants, con- 
sisting of frondose herbs with the seeds imbedded, and not contained 
•kMBULATORVj formed for walking, applied to the feet of birds, 
where the toes arc placed three before and one behind : Birds, tig. 6. 
AMENT a catkin, or row of chaffy scales, ranged along a slender 
receptacle ; /i/nfe Jig- 7. , , , 
AMORPHOUS, of no determinate shape or figure when broken, 
amphibia the third class of animals, comprising those which from 
their peculiar strufture, have the power of suspending respiratioa 
at nicasurc, and can live both in water and on land. 
* II, e fin which in fishes, is placed between the vent and tail, 
and expandsS.crpendiculariy : . 
anastomosing, inosculating or running into each other, like veins, 
ANCIPlTAl/. having two opposite edges or angles. 
‘a vrinypirRMI a the second order of plants in the class didynamia, 
Ta^ng the‘se;ds contained in a vessel 
ANNULATE, formed or divided into oistinci 
diflcrently coloured anuulatioiis. 
A the third order of birds having the bill broad at the tip, 
li,W,, 4, „ , , , 
ANTENNiE, the horn-like processes, projecting from the head of 
insecTs: Insetls,fig.i',Q-,c- r , 
AN!' HERA the part of the stamen placed on the top of the filament, 
and containing the pollen or dust of impregnation : plade G, 
rings, or marked with, 
Jig. 8, f-i. 
VOL. VII.— R 3 
