VI 
TABLE OF ILLUSTRATIONS. 
ILLUSTRATIONS IN THE TEXT. 
CHAPTER II. 
PAGE 
Caterpillar of Sphinx ligustri ---------- io 
Moth of Sphinx ligustri io 
Larvae of a Dipterous Insect - - - 1 1 
Chrysalis of Sphinx ligtistri - - - - - - - - - - 12 
Larva and Moth of Attacus pavonia major - - - - - - - - 13 
Membranous Legs of Silkworm Caterpillar - - - - - - - 14 
Larva of Calosoma sycophanta - - - - - - - - - -13 
Beetle of Calosoma sycophanta (Magnified) - - - - - - - 16 
Larva of Silkworm with True and Membranous Legs - - - - - - 18 
Legless Larvae of the Bee ; Nymphs of Bee 19 
Caterpillar of a “ Looper ” ----------- 19 
Chrysalides (Magnified) - - - - - - 21 
Anatomy of the Mouth of Locusta viridissima - - - - - - - 22 
Mouth of Larva of Sphinx ligustri; Head of Moth (Magnified) - - - - 23 
Head of a Hornet - - - 24 
Digestive Apparatus of Locusta viridissima -------- 26 
Digestive Apparatus of Dytiscus marginalis -------- 26 
Digestive Apparatus of Caterpillar -------- - 29 
Digestive Apparatus of the Moth (Silkworm) ------- 29 
CHAPTER III. 
Nervous System of the Larva of the Bee (Magnified) - 32 
Nervous System of the Full-grown Bee (Magnified) ------ 34 
Brain and Optic Nerves, &c. ; of Larva of Water Beetle ----- 36 
Brain and Optic Nerves, &c., of Adult Water Beetle ------ 36 
Nervous System of Larva of Silkworm -------- 38 
N ervous System of Moth of Silkworm --------- 38 
Sympathetic Nerve of Silkworm - 40 
Larva and Pupae of Vanessa urticcc 41 
Metamorphoses of the Nervous System of Vanessa urticce - 42, 43, 44 
A Trachea Magnified - - - - 46 
Respiratory Organs of Larvae of Cloe bioculata and Ephemera vulgata - - - 47 
The Larva and Nymph of the Caddis Fly - - ------ 48 
The Larva and Nymph of the Gnat --------- 49 
The Respiratory Apparatus of the Bee (Magnified) ------ 52 
Sections of the Larva, Pupa, and Moth of Sphinx ligustri - - - - - 61 
Moths with Incomplete Wings 66 
CHAPTER IV. 
A Portion of the Wing of Attacus pavonia major 69 
Scales of Different Genera of I^epidoptera - 70 
Ends of the Feet of Lepidoptera - - - - 71 
Moth of Sphinx ligustri, and the Wings, Hook, and Catch 75 
