140 FURTHER ILLUSTRATIONS OF 
than the prothorax, and nearly rounded, convex, remotely punc- 
tated, and sparingly furnished with gray hairs; the mandibles 
pitchy, with the tips black; the antenne obscure pitchy. The 
prothorax is smooth and polished, with a row of setigerous punc- 
tures in front. The meso and metathorax are punctured, the 
latter with the hind part obliquely truncate. The abdomen 
is elongate cylindric, with the ends rounded, the basal segment 
deeply but remotely punctured with a transverse carinated stria, 
at a little distance preceding the hind margin, the space between 
these being delicately rugose ; the second segment has one of these 
carinated strize at a little distance from the base, and another at 
the like distance from the hind margin, the intervening space 
occupied by five curved striz ; the third segment has also one of 
these striae near its base, the space between it and the hinder 
margin thickly punctate; the basal half of the two next segments 
is smooth, and the hind half punctured; the fifth segment is 
thickly setose, and the sixth forms a porrected deflexed anal 
appendage, dilated in the middle (fig. 3a, 36). The legs are pitchy 
and setose; the middle and hind tibie also armed with minute 
spines on the outer edge. The body beneath is pitchy; the abdo- 
men entire beneath, with the first and second and the posterior 
half of the following segments thickly punctured. 
THYNNUS KLUGII, Hope MS. 
(Plate 82, fig. 1.) 
T. niger subtus argenteo-sericeus, clypeo et collare fulvis, scutello elevato pedibusque brunneis, 
metathorace et abdominis basi griseo lanato; alis fulvis venis brunneis ¢. 
Long. corp. lin. 18. Expans, alar. lin. 32. 
Habitat Swan River. D. Roe. Mus. Hope et Brit. 
This fine species, by far the largest in the family, has been 
appropriately named by the Rey. F. W. Hope, in honour of Dr. 
Klug. 
The head is black and delicately punctured, rather depressed on 
each side, between the ocelli and eyes, the front of the head 
furnished with a broad tubercle, at the sides of which the antenne 
are affixed; these have the basal-joint pitchy and the remainder 
black, and with the apical joints attenuated to a point; the clypeus 
is prominent and convex, nearly truncate at its extremity, and con- 
cealing the labrum, and is fulvous; the sides of the face above 
the mandibles (fig. | a) are thickly coated with fine silvery hairs, 
the mandibles are robust and fulyous brown, with the tips and 
