ii 
10 TABLE OF CONTENTS. 
CHAPTER VY. 
ARMATURE OF ORBWEBS: VISCID SPIRALS. 
AGES 
3} 
Spiral Scaffolding—Corner Loops—Spinning Viscid Spirals—Cutting Away the Scaffold— 
Size of Beads—Elasticity of Spiral Line—Formation of Beads—Beads Dissolved by 
Rains—Tortion of Spirals by Rain—Number and Adhesiveness of Beads—Medicinal 
PRO PeLhGs im waste ae Meets, Cue 4s eee ta: o8) «AD apa MENTE os Ce SL kc ica ae 79-95 
PART II—CHARACTERISTIC FORMS AND VARIATIONS 
OF SNARES. 
CHAPTER VI. 
ARGIOPE AND HER RIBBONED ORB. 
Full Orbs—Argiope cophinaria, the Basket Argiope—Distribution and Habitat—The Zig- 
zag Ribbon—The Central Shield—How the Shield is Spun—Spinning the Zigzag 
Ribbon—A Spider Diary—Swathing Insects—The Notched Zone—Fenders or Pro- 
tective Wings—Web of the Male Argiope—Size and Details of Orbs—Argiope 
argyraspis, the Banded Argiope—An African Argiope—The Silvered Argiope, A. 
Pyro) Se ac wer em Ie. Werle trt a Roe bee SO 96-109 
CHAPTER VII. 
EPEIRA AND THE ROUND VERTICAL WEB MAKERS. 
Familiar Orbwebs—Epeira Strix, the Furrow Spider—Spider Stowaways—The Head 
Downward Position—How the Feet Command the Snare—“ Under Her Thumb ”— 
Natural Sites of Snares—Epeira domiciliorum, or the Domicile Spider—The Insular 
Spider, Epeira insularis—The Shamrock Spider, Epeira trifolium—Tents in Hedge- 
rows—Epeira vertebrata—A California Colonist—Epeira trivittata—Gasteracantha— 
Tufted Webs—Orbs with Open Hubs—Acrosoma—The Mitred Spider—Epeira cau- 
data, the Tailed Spider—Meta—A Cave Dweller. ......... ..... 110-129 
CHAPTER VIII. 
COMPOSITE SNARES AND SECTORAL ORBS. 
The Labyrinth Spider—How the Maze is Made—Uses of the Labyrinth—The Orb—The 
Trapline and Hub—Fayorite Sites—Epeira triaranea—Open Sector and Free Radius — 
Orientation of Trapline—Spirals Spun in Loops—The Spinningwork of Three Tribes 
in One Web—Epeira thaddeus—Zilla and Her Snare—A Scotch Colony—Wilder’s 
Nephila—Nephila's:\Snrenienaes ay9. ati dle ae eee kat ee a ae ae 130-149 
CHAPTER IX. 
HORIZONTAL SNARES AND DOMED ORBS. 
The Orchard Spider—Variations in the Orb Plane—Protective Apron—The Hunchback 
Spider, Epeira gibberosa—Hunchback’s Hammock—Tetragnatha extensa—Cosmo- 
politan Distribution—The Stilt Spider, Tetragnatha grallator—Snares Over the 
Water—Tetragnatha as a Sailor—Influence of Distribution and Enyironment— 
Climate as Influencing Distribution—Domed Orbs—The Basilica Spider—Basilica 
Spider’s Domed Orb—Basilica and Linyphia—Triple Domed Snare of Linyphia— 
Spinningwork Analogies... . . FE ee en rater tik epee reese ek 150-171 
