vi | CONTENTS. 
V. sylestris, _‘ Plate II. os “ ss oe 
V.. arborea, Ce 8 i 
V. germanica eae 5 fe As - ca ee oe 
V. vulgaris, erebi &, fh $e ae se ¥ oe 
V. rufa, Pagid Be és ao v ve ae 
Habits of the several species a's ee ve ee oe 
The hornet, as mentioned in the Bible .. ne ye os 
Hornets abundant in Palestine and the East .. ms ake 
And capable of doing great mischief 0 va e - 
Pastor Miiller’s hornets .. as ve o» +0 = 
Cuarrer IIL—ANATOMY AND PHYSIOLOGY. 
Limits and method of the present inquiry oe 8 ve 
TEGUMENTARY SKELETON : 
Its general nature. . os ee oe ee ar ve 
Development ee . oe o's 2 a3 + 
Chemical composition adil structure .. es Ay os 
Connections and arrangement .. Nt iiaSteaet s ee 
HEaD: 
First division of the insect body ais ne oa 
Eyes, simple and compound cena alg - Fe 
Their structure and functions. . <n ‘% < ae 
Perfect adaptation is perfection of insect ce es ; ee 
Form of the eyes in the Social and Solitary Groups ae 
Antenna, their structure.. ss - 
And probable functions as organs of bible os vs 
Corona and Clypeus we we es ; 
Movrs, mandibulate, general arvana AEE Sie 
Labrum,or upper lip... - a he e pe 
Mandibles, or upper jaws.. os ok oe ne op 
Their structure and functions 2 és <i me 
Labium, or lower lip... ee oe i es Be 
Its mentum, palpi, and ligula.. es “i ee oe 
Mawzilla, or lower jaws .. oe ee aA “yf + 
Basilar portim, palpi, galea, and cardo ... - a6 
Analogy of insect to vertebrate organs doubtful ae" 
Mouth of wasp compared with that of other insects .. ee 
Of the honey-bee oe ae nie sie Ss *e 
Sense of sniell, its probable seat ¥ * es - 
