452 ENTOMOLOGICAL NEWS. [Dec., ’08 
A new genus of the Siphonaptera. 
By Past AssIistANT SURGEON CaRROLL Fox, P. H. & 
M. H. S. 
Seven specimens in all, 2 males and 5 females, a description 
of which follows, have been obtained, from the Scapanus 
californicus taken in San Francisco. Believing them to be 
new, I sent them to Mr. Rothschild, who kindly looked at them 
and pronounced them representatives of a new genus, point- 
ing out certain characteristic features. 
CORYPSYLLA gen. nov. 
Spines on the head, structure of head, spines on back of 
abdomen, mesothorax not divided by a vertical suture, epister- 
num of metathorax fused with the metanotum. Hind coxae 
with a patch of spines on inside. All tarsi with four pairs of 
lateral spines on fifth segment. 
Corypsylla ornatus spec. nov. 
Head very gently sloping towards the front to just above the root 
of the first genal spine where it rather abruptly changes its direction 
and curves downward and backward forming an angle. This anterior 
border of the frons is more decidedly curved in the female. The gena 
is broad from above downwards and in the posterior border is a dis- 
tinct notch. Starting well up on the frons and extending downward so 
that the last one partly overlaps the maxilla is a row of spatulate 
spines six in number. They have their origin close to the anterior 
margin of the head. The first, or highest of the group extends to 
the anterior margin of the antennal groove, and terminates with a 
square end. The second is a little longer and slightly overlaps the 
anterior margin of the antennal groove and terminates with a bluntly 
rounded end. The third is still longer and overlaps the anterior mar- 
gin of the antennal groove, the end being as it were, cut off at an 
angle. The fourth is by far the longest extending to the prosternum. 
Its end is much enlarged and terminates with an acute angle. The 
fifth is longer and narrower than the third, having somewhat the 
shape of the blade of a penknife. The sixth is shorter than the fifth 
and rather indistinct in outline. ‘The maxilla is short, broad and tri- 
angular in shape with the posterior border distinctly serrate. Eyes 
absent. The maxillary palpi are four jointed, not as long as the labial 
palpi. The labial palpi are five jointed and extend almost to the end 
of the fore coxae in the females, but are somewhat shorter in the males. 
Just above the first genal spine is a row of four bristles running 
ae 
