188 AMERICAN SPIDERS AND THEIR SPINNINGWORK. 
* 
No. 45. Epeira silvatica Emerton. Plate X, Fig. 9; Pl. XI, Fig. 9. 
1884. Epeira silvatica, Emerton . . . . N. E. Ep.,, p. 30, xxxiii., 13. 
1892. Epeira silvatica, Keyseruinc. . . Spinn. Amerik,, p. 117, tab. vi., 86. 
Femate: Total length, 14.5 mm.; abdomen, 8.8 mm. long, 7.6 mm. wide; cephalo- 
thorax, 7 mm. long, 5.7 mm. wide; face, 2.9 mm. wide. 
Creruatotinorax: Corselet moderately arched; median fosse large; cephalic suture dis- 
tinct; mouth parts, palps, legs, and sternum dark reddish brown, and well covered with 
white hairs. 
Eyrs: Ocular quad elevated; front about as wide as sides, and a little wider than 
rear; MF separated by about 1.75 diameter; MR somewhat smaller, and separated by about 
their diameter; side eyes not contiguous; on tubercles; SF a little smaller than SR, and 
removed from MF by about 1.75 area of latter. Front eye row slightly, rear row distinctly, 
procurved ; clypeus about 2 MF high. 
Lees: 1, 2, 4, 3, as follows: 24.4 mm., 22.3 mm., 21.6 mm., 14.5 mm.; with both 
median and distal brown annuli; stout; metatarsi-I, II, III, shorter than their tibie; well 
armored with hairs and bristles, and yellowish white spines, with brown bases. 
AspoMEN: Ovate; with conical shoulder humps; the dorsum arched to the distal 
spinnerets; ground color yellow, densely covered with small brown lines and spots; folium 
indented at the margin, wide in front, narrowing to the apex, color brown, with slashes of 
black or blackish. On the basal front is a median yellowish spot; the sides are streaked 
with brown undulating bands inclined towards the spinnerets. The venter is covered with 
whitish hairs; is brown, with two indistinct small light bands bent towards each other. 
The pubescence, which is very dense upon the whole abdomen, consists of whitish bristles 
with dark base, and shorter ones, mostly curved, brown at the base and yellowish at the tip. 
Distrisution: New England, New York in the Adirondacks and central parts, Penn- 
sylvania, Eastern Ohio; Dr. Marx reports it at Washington, D. C., Colorado, and Fort 
Yukon, Alaska. It may be distinguished with some degree of accuracy from E. angulata 
by the form of the ocular quad, which is relatively higher and less narrowed behind; the 
difference between MF and MR in size is also less pronounced; moreover, the epigynum is 
relatively wider at the base, longer, narrower, and more attenuated, terminating in a slightly 
hollowed tip. Emerton’s description is not satisfactory; he makes no mention of the eyes, 
and presents no figure thereof; his drawing of the epigynum does not appear.to be accu- 
rate, at least I am not able to find any specimens marked as figured by him; in the absence 
of a typical specimen one is therefore unable to sharply indicate distinctive characteristics. 
No. 46. Epeira diademata (Cirrck). Plate X, Fig. 10; Pl. XI, Figs. 10, 11. 
1678. Araneus rufus cruciger, Lister. . De Aran. Angl., p. 28, tit. 2, Fig. 2. 
1757. Araneus diadematus, CLerck . . . Aran. Suec., p. 25, No. 2, pl. 1, Fig. 4; Araneus 
Peleg,. ib., pl. 1, Fig. 5, p. 27. 
1778. <Aranea cruciger, De Geer. . . . Mem. Hist. Ins., t. 7, p. 218, No. 1, pl. ii., f. 3, 6, 7. 
1793. “ Crown spider,” Martyn... . Aranei, pl. 2, Fig. 5. 
1802. <Aranea Myagria, WALcKENAER. . Faune Parisienne, t. 2, p. 193, No. 8; ibid., A. dia- 
dema, p. 193, 9. 
1806. petra diadema, WauckENAER . . Aranéides de France, pl. 10, Fig. 3. 
1830. petra diadema, SunprvAuy . . . Svenska Spindlarness, p. 235, No. 2. 
1834. Hpeira diadema, Haun .... . Die Arach., ii., 22, pl. 45, f. 110. 
1837. Epeira diadema, Wauckenarr. . Ins. Apt., ii, p. 29. 
1850. peira diadema, Kocw .... . Die Arach., xi., 103, t. 384, f. 910. 
1861. Aranea diadema, Lisnaus . . . Fauna Suecica, ed’ 2, 1993. 
1861. Epeira diademata, Westrinc . . . Araneze Svecicze, p. 26. 
1864. Hpeira diadema, Buackwaun . . Sp. Gt. B. & I, il, p. 358, pl. 26, Fig. 258. 
1869. petra diademata, Tuorrny . . . Europ. Spiders, p. 53. 
1889. petra diademata, McCook . . . Amer. Spid. and their Spinningwork. 
