Monographic List of G aster acantha. 157 
sliining black ; abdomen ochraceous, four central and 
eighteen marginal impressed black spots, and two or three 
dots ; spines metallic purple, granulose at base ; ventral 
surface coarsely granulose, metallic purple, deeply wrinkled 
and impressed transversely, the sulcas being olivaceous- 
brown. 
New Hebrides, Cuming. 1 specimen. B.jM. 
Allied to the preceding species. 
Sub-genus Ancitacantha. 
Abdomen irregularly and transversely oblong iiTCgular ; 
with six strong spines, all directed backwards, the two at 
the anterior lateral angles the shortest, those at the pos- 
terior lateral angles the longest, but those at the posterior 
angles nearly as long, so that the posterior outline of the 
abdomen exhibits three deep sinuations. 
Type, A. curvispina. 
14. G. ciu'vispina. 
Epeira curvispina, Guerin, Icon. Regno anim. 
Arachn. pi. 2, fig. 8 (1829—44). 
Plectana curvispina, Walckenaer, Apt. 2, p. 154, 
n. 5 (1837). 
Ashanti. B.M. 
15. G. retracta, n. sp. PI. IV. fig. 12. 
Female ; length of abdomen If line ; breadth at widest 
part, excluding spines, 2^ lines ; entire length 2^ lines ; 
anterior lateral spines ^ a line, posterior 1 line ; of pos- 
terior maro-in ^ of a line. 
Cephalothoi'ax normal ; abdomen subovate, Avith eight 
obtuse angles ; six acute spines, two from anterior lateral 
margins, very short, subconical, directed laterally ; two 
from posterior lateral angles, directed obliquely backwards ; 
two from posterior margin subparallel. 
Cephalothorax, falces, maxillte and legs castaneous ; 
labium dirty testaceous ; sternum ]iitchy ; abdomen above 
testaceous, with four central and nineteen submarginal 
impressed spots of the same colour ; spines castaneous, 
rugose, and pilose ; ventral surflxce dull brown, spotted 
with yellow, transversely wrinkled, and rugose between 
the spots ; conical projection pitchy. 
Old Calabar, Dalton. 1 specimen. B.M. 
Allied to G. curvispina, but very distinct. 
