ship, 71;
a new-comer; her wire-like waist; digging her tunnel, 72;
manner of working; sound of labor, 74;
covering her tracks; opening the tomb, 76;
fresh living food, 77;
carrying seven times its weight; peculiar features of stone-piling, 78;
color of the wasp, 79;
the spume-bearer, 81;
nomadic blossoms; a sack bearer, 83;
winter quarters, 84.

Epeira, field spider, 8.

Epiphytes, air-plants, 181.

Evening primrose, its golden necklace, 118.

"Fertilization of Flowers," 116;
wrong theory, 114.

Fertilization of orchids, 105, 183.

Flies:
--Robber, 8;
bluebottle, 8;
harvest ichneumon, 45, 77, 96.

Foxes, wild gambols of, 6.

Froghopper. See Spume-bearer (_Aprophora_), 82.

Gaertner, recognizing the theory of cross-fertilization, 115.

Genesta, its reception of insects, 118.

Geranium, wild (_G. sylvaticum_), 112.

Gilbert, concerning cuckoo's eggs, 25.

"Gobs," 80.

Gray, Asa:
--Demonstration concerning orchids, 184;
surmise concerning the withdrawal of pollen, 188;
orchid structure, 190.

Grew, Nehemias, discovery concerning pollen, 110;
discoveries about pollen, 113;
first step in progress, 116.

Habenaria flava:
--Yellow-spiked, 203;
_H. lacera_, ragged, 200;
_H. orbicularis_, showy, 194, 199;
_H. psycodes_, purple-fringed, 200;
_H. mascula_, 189.

Heath, its distinguishing characteristics, 123.

_Hemiptera_, bugs with sucking beaks, 81.

Herbert:
--A follower of Sprengel, 108;
recognizing the principle of cross-fertilization, 115.

"Honey-dew Picnic":
--Gathering of the clans, 153;
a selected spot, 154;
a motley assemblage, 155;
an outlaw, 157;
a finish fight, 158;
funeral baked meats, 164;
gathering his grist;
the founder of the feast, 158.

Honey-guides, 112, 129.

Hornets:
--Its heavy load, 9;
on the watch, 15;
"solitary," 17;
queer home of, 18;
great sand, 77;
black paper, 161.

Horse-balm (_Collinsonia_), its singular shape, 136;
manner of bee's approach to, 138.

Huber:
--On insect slavery, 151;
on the cultivation of the aphides, 166.

Insect Fertilization, 115.

Jack-in-the-Pulpit, detaining its guests, 119.

Jardine, Sir William, concerning cuckoo's eggs, 32.

Jenner, Dr., habits of the young cuckoo, 35.

Knig