1875. ] NEW SPECIES OF ERIGONE. 405 
spine-like bristles round the fore extremity, on the upperside of the 
radial joint, forming a kind of chevauw-de-frise ; the genital aperture 
is of a simple but characteristic form. 
An adult male and twelve females were received from Mr. J. H. 
Emerton, by whom they were found at Ipswich, near Boston, Mas- 
sachussetts, U.S. A., in June 1874. 
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LIST OF SPECIES DESCRIBED. 
. Erigone persimilis, sp. n., 3, p. 394, Plate XLVI. fig. 1. 
ornata, sp.u., d, p. 399, Plate XLVI. fig. 3. 
— pictilis, sp.n., 6 & 2, p. 396, Plate XLVI. fig. 4. 
— provida, sp.u., 2, p. 308, Plate XLVI. fig. 5. 
—— dentigera (Cambr.), d, p. 394, Plate XLVI. fig. 2. 
3 
pertinens, sp. 0. . 099, Plate XLVI. fi 
persoluta, sp. 1. 
cornupalpis, sp. 
6. 
7. 
&Q,p S- 
& Q, p. 400, Plate XLVI. fig. 
3, p. 401, Plate XLVI. fig. 8. 
p 
n., 
—— multesima, sp.n., 2, p. 402, Plate XLVI. fig. 9. 
viaria, Bl., 6 & 2, p. 403. 
florens, sp.u., d & 9, p. 403, Plate XLVI. fig. 10. 
EXPLANATION OF PLATE XLVI. 
. Erigone persimilis 3. 
a, part of right palpus, from the outer side ; ¢, palpal organs, very highly 
magnified ; ¢, radial joint of right palpus, from above and behind. 
. Erigone dentigera (Camb.) 3. 
b, part of right palpus, from outer side; d, palpal organs, very highly 
magnified ; f, radial joint of right palpus, from above and behind ; 
g, radial joint of right palpus of Erigone atra, Bl., also from above 
and behind. 
. Erigone ornata 3. 
a, Spider in profile; 6, caput and falces, from the front; ¢c, upperside 
of Spider; d, left palpus, from outer side, rather in front; ¢, ditto, 
from inner side, also rather in front; f, natural length of Spider. 
. Erigone pictilis 3. 
a, Spider in profile; 4, upperside of cephalothorax and abdomen ; 
¢, caput and falces, from the front; d, right palpus, from outer side, 
rather underneath ; e, natural length of Spider. 
. Erigone provida 2. 
a, profile of Spider; 6, caput and falces, from the front; ¢, genital aper- 
ture; d, natural length of Spider. 
. Erigone pertinens § & QD. 
a, profile (3); b, caput and falces (¢), from the front ; ¢, right palpus 
(2), from the front; d, genital aperture (2); e, natural length of 
Spider. 
, Erigone persoluta 5 & QO. 
a, profile (¢); &, caput and falces (3), from the front; ¢, left palpus 
(¢), from the front, on inner side; d, genital aperture (Q ); e¢, natu- 
ral length of Spider. 
. Lrigone cornupalpis 3. 
a, profile; 6, caput and falces, from the front; ¢, left palpus, from the 
ront; d, right palpus on outer side in front; e, natural length of 
Spider. 
. Erigone multesima ° . 
a, profile; 6, caput and falces, from the front; c, genital process; d, 
ditto, in profile; e, natural length of Spider. 
Erigone florens 6 & Q. 
a, profile (¢); 5, caput and falces (¢), from the front; ¢, left palpus 
(3) on outer side; d, genital aperture (2); e, natural length of 
Spider. 
