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ARACHNIDA.—_ARANEIDEA. 
Vou. II. 
PLATE L. 
Aranea championi, 3, genital bulb; 1 a, ditto, another view. 
- Aranea championi, 9: 2a, vulva, in profile; 24, ditto from above; 2c, ditto from behind. 
. Micrathena gracilis, 9: 3a, ditto, in profile; 3, vulva, in profile ; 3c, ditto from above ; 
3 d, ditto from behind. 
. Micrathena mammillata, 2: 4a, ditto, in profile; 4, vulva, in profile; 4c, vulva from 
behind. 
. Micrathena longicauda, 8: 5a, apex of abdomen from behind; 5 0, tarsal hook of genital 
bulb. 
. Micrathena striata, 2: 6a, ditto, in profile; 6 d, ditto, dwarf form; 6c, ditto, in profile ; 
6 d, vulva, in profile. 
. Micrathena spinulata, 2: 7 a, ditto, in profile; 75, vulva, in profile. 
- Micrathena brevipes, §: 8 a, genital bulb, showing embolus, &c. 
. Micrathena obtusospina, 2: 9a, ditto, in profile; 9 4, ditto, variety; 9c, ditto, in profile ; 
9d, ditto, another variety; Qe, ditto, in profile; 9/f, ditto, another variety; 9g, ditto, 
in profile ; 94, vulva of first form ; 92, ditto, in profile. 
. Micrathena cornigera, 8: 104, genital bulb, showing tarsal hook. 
. Micrathena vitiosa, $: 11a, genital bulb, showing tarsal hook. 
. Micrathena granulata, 3: 12a, genital bulb, showing tarsal hook. 
. Micrathena parallela, §: 13a, genital bulb; 134, ditto, showing tarsal hook. 
Micrathena uncata, 8: 14a, genital bulb, showing embolus &c.; 14 4, ditto, embolus &e. 
enlarged ; 14 ¢, ditto, showing tarsal hook. 
. Micrathena patruelis, $: 15a, genital bulb; 15 4, ditto, showing conductor &c. enlarged. 
. Micrathena patruelis, 2: 16a, ditto, in profile; 164, vulva from above; 16c, ditto, in 
rofile. 
Weta triserrata, 2: 17a, ditto, in profile; 17, vulva from above; 17 c, ditto, in 
profile. 
Micrathena quadriserrata, 2: 18a, ditto, in profile ; 18 4, vulva from above. 
Micrathena serrata, 2: 19a, ditto, in profile; 194, ditto, abdomen from behind ; 
19 c, vulva from above ; 19 d, ditto, another view ; 19, ditto, in profile. 
Micrathena inequalis, 2: 20a, ditto, in profile; 200, ditto, abdomen from behind ; 
20 c, vulva from above ; 20 d, ditto, in profile. 
The letters, unless otherwise stated, indicate similar portions of structure : 
blb.=bulb-portion of genital bulb; cd.=conductor ; cl. =clavis ; emb.=embolus ; Jam.=lamella ; 
ov. =oviducts ; sc.=scapus ; th.=tarsal hook; tib.=tibia of palpus; wnc. = uncus, 
